Discover Top Developer Profiles

Our directory at Upstaff.com showcases a talented group of developers, each bringing a wealth of expertise to the table.

  • With profiles highlighting skills in IT development, AI, design, sales, marketing, admin, and customer support, our developers stand out for their rigorous vetting and diverse technical proficiencies. Ranging from seasoned experts with over a decade of experience to skilled mid-level professionals, they excel in languages like JavaScript, Python, and React, tackling complex projects with precision.
  • Hailing from various regions, including Europe, LatAm, Israel, and the United States, our developers offer a global perspective, ensuring adaptability and high-quality work across industries.

Each profile reflects a commitment to excellence, validated through thorough technical assessments and communication evaluations, making them reliable partners for any project.

React 6yr.
React Native 2yr.
JavaScript 7yr.
Node.js 3yr.
Go
Java
PHP
Ruby
TypeScript
Bootstrap
Chrome Extensions
jQuery
LESS
SCSS
Ember.js
Gulp.js
NPM
React-Saga
Redux
Redux Thunk
Webpack
Java SE
Ruby on Rails
SQL
AWS
DigitalOcean
Linode
Atlassian Trello
Jira
BitBucket
GitHub
GitLab
CI/CD
GraphQL
RESTful API
Jest
Kanban
Scrum
...

- 9 years of proven professional expertise in the IT industry; - Advanced experience in Web Development using JavaScript 7+ years; - Solid experience in software development using ReactJS and React Native (6+ years); 3 Years with Node.js - Good experience in Web development using PHP; - Beginner experience in Web Development using Ruby on Rails; - Beginner experience in Web Development using Java; - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Ukraine
Objective-C 10yr.
iOS 10yr.
C++ 10yr.
Swift 5yr.
SQL 10yr.
Cocoa 10yr.
Architecture and Design Patterns 10yr.
macOS 10yr.
XCode 10yr.
Foundation 5yr.
XML 5yr.
JSON 5yr.
SQLite 5yr.
AppKit 5yr.
UIKit 5yr.
REST 5yr.
RPC (Remote Procedure Call) 5yr.
C#
Delphi
Java
JavaScript
Python
VBA
BLE
Crashlytics
KVC
KVO
Chromium
HTML
WebKit
Google Analytics
Firebase
Microsoft SQL Server
MySQL
Oracle Database
PostgreSQL
SQLCipher
AWS S3
Google Cloud Pub/Sub
3D Modelling
AES
Catch2
e2e testing
AFNetworking
CocoaPods
Cocoa Touch
Core Animation
Core Bluetooth
Core Data
Core Graphics
Core Location
Core Media
Core Text
Flurry
NWProtocolWebSocket
Packet Tunnel Provider
StoreKit
SwiftGen
SwiftLint
Viper
Agile
Design patterns
FDD
MVC
MVVM
Scrum
SDLC
UML
Waterfall
Apache HTTP Server
AppCenter CI
Jenkins
cURL
OpenSSL
TLS
XMPP
FreeBSD
MS-DOS
Ubuntu
Unix
Windows
Git
MVP
Qt Creator
Qt Framework
valgrind
Visual Studio
RESTful API
Windows API
Box2D
Chromium/PDFium
cocos2d
Multitasking
pdfkit
Protobuf
RSA
Soda PDF
Swift Package Manager
...

- Served as a Senior Software Developer in the Two German Automotive Navigation Projects, focusing on System Team operations as well as Map and Routing domains. - VPN and Network Filtering Development: Extensive experience developing VPN solutions, including cross-platform engines for KeepSolid’s VPN Lite, and expertise in low-level network filtering, proxies, and handling internet traffic. - iOS Development Expertise: Over 10 years of hands-on experience with iOS development, including business apps and secure communication tools, with proficiency in Swift and Objective-C. - C++ Proficiency: Strong background in C++ for developing core network functionalities, optimizing performance, and building cross-platform applications. - Enterprise Application Development: Skilled in developing enterprise-level applications, including parental-style internet filters and device policy management tools. - Agile Methodologies: Proven track record of working in Agile Scrum environments, delivering high-quality software with fast iteration and strong collaboration. - Leadership and Team Collaboration: Experience as a Tech Lead, mentoring teams, and coordinating with stakeholders to resolve issues and implement new features. - Available to start ASAP

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Seniority Expert (10+ years)
Location Odesa, Ukraine
Objective-C 8yr.
API 8yr.
Swift 5yr.
IOS SDK 5yr.
SwiftUI 1yr.
Storybook
Apache Spark Streaming
Azure Data Factory
RDBMS
AWS S3
Azure log analytics
Alamofire
Core Location
OAuth
RESTful API
BDD
Clean Architecture
FreeBSD
macOS
Github Actions
Jira
App Service
IOT
Pods
Wallets
...

Seasoned iOS Developer with 8.6+ years of experience in the IT industry, specializing in mobile application development using Swift and Objective-C. Well-versed in Cocoa Touch, iOS SDKs, and frameworks like AFNetworking, with hands-on experience using Pods and Git for dependency and version control.Strong academic foundation with a B.Tech from Kuppam Engineering College (JNTU), and a proven track record of delivering high-quality applications using MVC and MVVM architectures in Agile environments. Expertise includes BLE integration, QRCode/Barcode scanning, biometric authentication, memory management, and performance optimization.Successfully contributed to multiple enterprise-level apps, including Rinnai Central, Honda PSP, and VELYS Patient Path, improving user experience, reliability, and code efficiency across contract and full-time roles.

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Seniority Senior (5-10 years)
Location Bengaluru, India
React Native 5yr.
React 5yr.
TypeScript 5yr.
JavaScript 5yr.
Redux 5yr.
Crashlytics
Google Analytics
Creative Product
Critical Thinking
Leadership
UI/UX Design
WebRTC
EAS
Problem-solving
Teamwork
...

Accomplished Software Engineer with 5 years of in-depth experience in mobile and software development primarily focused on React Native, ReactJS, and TypeScript. Demonstrated proficiency in leveraging advanced JavaScript technologies such as Redux and ES6 to build robust mobile applications. Led a technical team and mentored engineers in creating market-centric apps and websites, ensuring adherence to best practices in software development. Key project contributions include the implementation of react-native-firebase for notifications and analytics, and development of complex features for barcode and RFID reader applications. The engineer's academic background in Information Technology fortifies their technical expertise, and a penchant for continuous learning in mobile programming underpins their evolving mastery of the software engineering domain.

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Seniority Senior (5-10 years)
Location Yerevan, Armenia
React Native
React
JavaScript
TypeScript
HTML/CSS Preprocessors
C/C++/C#
Crashlytics
CSS
Tailwind CSS
Formik
React Navigation
Redux
Redux-Saga
Svelte
Cloud Firestore
Vercel
Google Maps API
GraphQL
RESTful API
SVG
...

Accomplished Senior React Native Developer with a solid 7-year track record in mobile application development, underpinned by a bachelor's degree in Computer Science and Engineering. Expert command of React Native, JavaScript, and TypeScript, complemented by proficiency in leveraging ancillary technologies such as Redux, Firebase, and RESTful services. Demonstrated prowess in modern software engineering practices, including unit testing, code reviews, SDLC, and agile methodologies. Adept at fostering junior developers' growth while navigating complex project ecosystems and enhancing app performance and user experience, distinguishing themselves as a potent candidate for technology-driven roles.

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Seniority Senior (5-10 years)
Location Tashkent, Uzbekistan
JavaScript 5yr.
Node.js 5yr.
React 5yr.
TypeScript
NestJS
MongoDB
PostgreSQL
AWS
CI/CD
Docker
GraphQL
REST
serverless
...

Vladyslav S. is a Senior JavaScript Developer with 6+ years of experience specializing in React.js, React Native, and Node.js. Experienced with AWS services (Lambda, ECS, RDS, DynamoDB), Firebase, Terraform, and CI/CD pipelines (GitHub Actions, Docker). Proficient in REST APIs, state management (Redux, MobX), and modern frontend frameworks like Next.js and Angular. Strong team collaborator with clean code practices and a focus on scalable architecture.

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Seniority Senior (5-10 years)
Location Ukraine
NestJS
React Native
React
...

Experienced full-stack developer with a strong background in scalable architecture design, cloud infrastructure, and modern web and mobile technologies. Proficient in building distributed systems using React Native, React, Node.js, and NestJS. Skilled in managing containerized deployments, service orchestration, and performance optimization across microservice-based environments. Solid understanding of CI/CD pipelines, monitoring, and cloud platforms like DigitalOcean.

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Seniority Senior (5-10 years)
React Native 6yr.
React 1yr.
UI/UX Design
Android APIs
Architecture and Design Patterns
Performance Optimization
...

Accomplished Senior Software Engineer with expertise in mobile development, including a leading role in architecting and optimizing a housing support application, ensuring an enhanced user experience. Bring years of experience with a strong focus on ReactJS and React Native across multiple organizations, elevating OPS dashboards, modernizing legacy code, and contributing to a variety of successful app releases. Holds a BSc in Computer Science from the British University in Egypt, marrying technical skills with solid theoretical knowledge. Renowned for implementing new technologies, refining development standards, and delivering high-quality software solutions. Proven capability in the full app lifecycle management and team leadership, aiming to drive efficiency and innovation in software development.

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Seniority Senior (5-10 years)
Location Riyadh, Saudi Arabia
JavaScript 5yr.
Swift 5yr.
FDD 5yr.
Node.js
React
Objective-C
ASP.NET MVC Pattern
.NET
Backbone.js
Meteor
Ethers.js
p5.js
Web3.js
FireStore
MongoDB
GCP
Agile
Algolia
CI/CD
Docker
Hardhat
Fastlane
Github Actions
Ubuntu
WebRTC
...

Software engineer with 9+ years of experience, excelling in full stack development with expertise in JavaScript, Swift, and iOS development. Proven track record of leading successful projects, including winning multiple hackathons and developing robust blockchain-based solutions. Demonstrates strong technical leadership, having managed diverse engineering teams and fostering agile best practices. Well-versed in various technologies like Node.js, React.js, Firebase services, Ethers.js, Web3.js, and AWS, with a solid foundation in computer science from Universidad Nacional del Nordeste. The engineer's proficiency in building scalable systems for music streaming, live video monitoring, and blockchain integration positions them as a valuable asset to any team seeking deep technical expertise and innovative solutions.

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Seniority Senior (5-10 years)
JavaScript 8yr.
TypeScript 6yr.
React 6yr.
React Native 4yr.
Node.js 4yr.
Crashlytics
Expo
Redux
Redux-Saga
Redux Thunk
Styled components
Vuex
yup
Socket.io
Firebase
MongoDB
Firebase Hosting
Docker
Storage
GitHub
Github Actions
Linux
Notion
SMTP
TLS
Bcrypt
...

- Experienced in React Native: Developed and delivered multiple React Native mobile applications, including a KenZen App and a Furniture Design Time-Tracking App, integrating Firebase, Redux, animations, and state management. Over 4.5 years of experience with React Native - Full-Stack Development in Fintech: Led fintech real estate app development, handling both front-end (ReactJS, Styled-Components) and back-end (NodeJS, MongoDB) while managing CI/CD pipelines and real-time updates. - Senior Developer in Web & Mobile Apps: Designed and implemented scalable mobile and web applications, ensuring high code quality, debugging, and managing releases on App Store and Play Market. - Developed e-commerce web solutions using Vue and Vuex, collaborating with back-end and QA teams, - Experienced in Docker, GitHub Actions, and Linux server management, optimizing deployment pipelines and application performance. - Intermediate English

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Seniority Senior (5-10 years)
Location Ukraine
React Native
JavaScript
TypeScript
Redux
PHP
AngularJS
Express
jQuery
React
Bootstrap 4
CSS
HTML5
Material UI
MongoDB
MySQL
BDD/TDD
MVC
OOP
Cucumber
Mocha
Git
Github Actions
GitLab CI
GraphQL
...

- Versatile React Native Developer with 5+ years of experience in delivering robust mobile applications, with a deep understanding of the React ecosystem and modern front-end development. - Holds a solid foundation in software engineering with a Bachelor's degree in Economics, specializing in Accounting and Audit, adding a strong analytical dimension to programming skills. - Proficient in an array of technologies including JavaScript, TypeScript, ReactJS, Redux, Expo, NodeJS with Express, and associated libraries and tools. - Demonstrated expertise in the full software development lifecycle (SDLC), object-oriented programming (OOP), Model-View-Controller (MVC) pattern, Test-Driven Development (TDD), and Behavior-Driven Development (BDD). - Adept in integrating payment solutions such as Stripe, engaging with APIs, and developing cross-platform applications that enhance user experience. Familiar with web development technologies like HTML5, CSS, and cloud services. - Contributed to diverse projects ranging from live nature cams, NFT galleries, healthcare, e-commerce, to social media marketing, demonstrating versatility and the ability to adapt to varied domains. - Team player with intermediate English communication skills, facilitating collaboration with global teams and ensuring alignment with project goals.

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Seniority Senior (5-10 years)
Location Uzhgorod, Ukraine
Ant Design
React Native
TypeScript
RTK-query
JavaScript
CSS
HTML
SASS
Tailwind CSS
ES6
React Context
Redux
Redux Thunk
Reselect
Ext JS
GatsbyJS
React
AWS Amplify
Adobe Illustrator
Adobe Photoshop
Sketch
Atlassian Trello
Jira
Axios
BitBucket
Git
CMS
Ghost
Google Maps API
Jira API
RESTful API
Zeplin
Flask RESTful
Pdftron
Redux-saga Mobx
sketching
...

- React.js and React Native Expertise: Over 5 years of dedicated experience, showcasing proficiency in building mobile applications and admin panels. - Proficient in TypeScript: Demonstrated use of TypeScript across multiple projects, enhancing application scalability and maintainability. - Redux and Mobx for State Management: Extensive application of Redux and Mobx in project development, ensuring efficient state handling. - Diverse UI Frameworks Knowledge: Employed Material UI, Ant Design UI, and react-native-paper, reflecting versatility in user interface design. - GraphQL and REST APIs Integration: Integrated GraphQL and RESTful services for optimal data retrieval and management in applications. - Solid JavaScript ES6/ES7 Skills: Consistent use of modern JavaScript standards in development projects, forming the basis of his React Native work. - Experienced in Redux-saga and Redux-thunk: Utilized Redux-saga and Redux-thunk for managing complex asynchronous operations in various applications. - Upper-Intermediate English -Available ASAP

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Seniority Senior (5-10 years)
JavaScript 5yr.
React Native 4yr.
React 3yr.
Next.js 2yr.
...

Software engineer with 9 years of professional experience specializing in front-end development and React Native. Expert in building robust mobile apps and web applications using technologies such as ReactJS, NextJS, Redux, GraphQL, and Firebase.

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Seniority Senior (5-10 years)
Location 23 Nisan, Turkey
JavaScript 7yr.
React 7yr.
TypeScript 7yr.
React Native 4yr.
Ext JS 4yr.
Bootstrap 4
Highcharts
SASS
Styled components
Tailwind CSS
CI - CodeIgniter
Crashlytics
three.js
Fiber
Mobx
NativeJS
Redux-Saga
Webpack
AWS
Netlify
Vercel
AWS LightSail
Microsoft Azure API
Gambling & Betting
Cypress
Jest
Playwright
Usability tests
Docker
Figma
Gitflow
GraphQL
Mentor Aptitude
Microsoft Visual Studio Code
Scrum
Craco
Framer-motion
Spring Web model-view-controller (MVC) framework
...

Software Engineer with 7+ years of experience, specializing in JavaScript, React, and TypeScript. Delivered innovative web and mobile solutions using React Native, Next.js, and various other modern technologies. Extensive experience in automating complex tasks and contributing to international team settings. Holds a Computer Science Degree and has been instrumental in developing platforms for communication, business management, and charitable contributions, leveraging skills in Node.js, GraphQL, Apollo, high-performance services with Next.js (SSR, SSG, ISR), and database management. Proficient in CI/CD practices, agile methodologies, and utilizing development tools such as Visual Studio Code, Docker, and cloud services like AWS. Proactive in incorporating accessibility, internationalization, and PWA functionalities to enhance user interfaces.

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Seniority Senior (5-10 years)
Location Ukraine
WordPress 9yr.
Shopify 9yr.
Preact 7yr.
Next.js 6yr.
Web3 6yr.
...

Accomplished Senior Web & Mobile App Developer with a robust educational foundation, holding a Bachelor of Science in Computer Science from the University of California, Berkeley. Possesses extensive experience with a tenure from July 2020 to August 2023 at Tech Innovators Inc., where contributions led to a 30% increase in user engagement for a million-user cross-platform app. A tenure as a Full-Stack Developer at Creative Solutions Ltd. from June 2016 to February 2020 resulted in a marked 25% client satisfaction increase. Expertise in a broad spectrum of technologies including WordPress, Shopify, PHP, React.js, Node.js, Android, React Native, and cloud platforms like Google Cloud and AWS. Strong ability in web scrapping, API integration, and database optimization. Proven track record in leading projects, mentoring teams, and fostering a culture of continuous improvement.

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Seniority Senior (5-10 years)
Location California, United States
ASP.NET Core Framework 8yr.
C/C++/C# 8yr.
React Native 2yr.
Angular 2yr.
SQL/NoSQL
...

Software engineer with 8 years of experience, including specialization in React native, .Net development, and a strong background in the banking sector, HR, health, and biometric device integration. Proven track record in designing resilient cloud solutions with Microsoft Azure, and expertise in full SDLC, TDD, MVC, CQRS, and microservices architecture. Has developed scalable applications using C#, ASP.NET Core, React/React native, and Entity Framework, backed by a solid foundation in computer science with an MSc in Data Science and Business Analytics. Recognized for implementing efficient integrations with Central Bank systems and third-party APIs, enhancing financial technology ecosystems.

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React
React Native
HTML/CSS Preprocessors
JavaScript
Next.js
...

Highly skilled ReactJS and React Native developer with 5+ years of experience in crafting robust web and mobile applications. Strong background in mechanical engineering with a transition to software development, showcasing adaptability and a multifaceted skill set. Adept at leading projects, such as a significant migration to new web apps with React and real-time APIs using RabbitMQ, and creating survey tools with AI-powered analytics. Possesses hands-on expertise in React, Redux, Flutter, NextJS, NuxtJS, and modern frontend technologies, complemented by a track record of successful cross-functional collaboration. Contributed to multiple large-scale projects, notably enhancing customer experience through AI-powered social media insights. Successfully completed a frontend-focused education at ITI, underpinned by a BSc in Mechanical Engineering and professional certifications including PMP and JavaScript algorithm mastery.

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Seniority Senior (5-10 years)
Location Alexandria, Egypt
Vue.js 12yr.
JavaScript 12yr.
AngularJS 12yr.
Ember.js 12yr.
Node.js 12yr.
React 12yr.
TypeScript 10yr.
Express 10yr.
Python 7yr.
Java 5yr.
Ionic 5yr.
PostgreSQL 5yr.
AWS RDS (Amazon Relational Database Service) 5yr.
microservices architecture 5yr.
Next.js 4yr.
Docker 4yr.
AWS 3yr.
GraphQL 3yr.
AWS EC2 2yr.
AWS S3 2yr.
C
C++
CoffeeScript
Backbone.js
D3.js
Ext JS
KnockoutJS
Meteor
ASP.NET
Bootstrap
CSS
HTML
HTML5
LESS
SASS
SCSS
CakePHP
CodeIgniter
Laravel
Slim
Symfony
Yii
Zend
Handlebars.js
React Native
Hibernate
Spring
Cassandra
Firebase
Microsoft SQL Server
MongoDB
MySQL
Oracle Database
Redis
SQLite
DigitalOcean
Linux
Nginx
Fabric.js
Marionette
Pdf.js
PhoneGap
Sails
Web Scrapping
Zurb Foundation
...

- 14+ years of experience in Web & Mobile App development - Fluent English - Available ASAP - No vacation plans

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Seniority Senior (5-10 years)
Location Nanaimo, Canada
React 5yr.
GraphQL 3yr.
Node.js 5yr.
MongoDB 3yr.
...

- Frontend Developer at Liorra Tech and previous experience as a Freelance Web Developer and an IT Technician, embodies a strong background in full-stack development and cloud architecture. - Mastery in React, Apollo GraphQL, and technical support, offering robust solutions in technology services and leading digital transformation projects. - Proven history in enterprise-level software implementation and cloud solutions, adept at optimizing operations to meet business objectives. - Academically fortified with a Bachelor's Honors in Computer Engineering ongoing at Cape Peninsula University of Technology, with prior Bachelor's and Higher National Diploma in the same discipline. - Over 5 years of practical industry experience, with specialization in React and related web technologies, empowering businesses across Western Cape, South Africa. - Adept in software development practices, capable of guiding teams through SDLC and deploying innovative technologies that contribute to enterprise efficacy.

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Seniority Middle (3-5 years)
Location Cape Town, South Africa
Swift 3yr.
Kotlin 2yr.
SwiftUI
Viper
FDD 2yr.
Android Jetpack
Room (Android Jetpack)
Realm
SQLite
BitBucket
CI/CD
Core Media
UIKit
TDD
Ffmpeg
WebRTC
App Service
CoreML
ExoPlayer
MetaKit
No code
Problem-solving
Social SDK
...

Software Engineer with 3.5+ years of experience, specializing in iOS development with Swift and Android development with Kotlin. Proficient in leveraging frameworks like UIKit, SwiftUI, CoreData, AVFoundation, and technologies like MVVM, VIPER, and Clean Swift. Demonstrates strong proficiency in application performance, memory management, and advanced photo editing application development. Holds a Computer Engineering degree and has a solid foundation in coding principles and software development practices. Worked on notable projects involving video streaming, e-commerce applications, and organizational management tools.

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React Native 5yr.
Mobile Application Development 5yr.
Mobile App Design 5yr.
Android App Development 5yr.
...

At React Native Experts, we specialize in delivering top-notch React Native development services.

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Seniority Senior (5-10 years)
Location India
iOS
Android
...

Hello, my name is Hashir, and I am a mobile app developer with 5 years of experience in both iOS and Android app development. Over the years, I have honed my skills in developing high-quality mobile applications that are user-friendly, efficient, and visually appealing.As a mobile app developer, I specialize in a wide range of technologies such as React Native, Android Studio, and Swift. My knowledge in these technologies enables me to design and implement custom mobile applications that meet the unique needs of each client.Throughout my career, I have gained valuable experience in all aspects of the mobile app development process, from concept to launch. I have a deep understanding of both the design and development aspects of creating a mobile application, which allows me to provide clients with comprehensive solutions.I am also passionate about staying up-to-date with the latest trends and advancements in mobile app development. This passion drives me to continuously seek out new skills and knowledge, which enables me to develop innovative and efficient solutions that exceed my clients' expectations.In summary, I am a dedicated and skilled mobile app developer with a passion for creating high-quality, user-friendly applications.

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Seniority Senior (5-10 years)
Location Pakistan
Android 12yr.
Flutter 5yr.
iOS
Java 12yr.
Kotlin 12yr.
Android APIs 5yr.
Android Enterprise 5yr.
API 5yr.
Architecture and Design Patterns 5yr.
SDLC 5yr.
Project Management 5yr.
Swift 3yr.
AI
AWS ML (Amazon Machine learning services)
NLP
C
C#
C++
Dart
JavaScript
AOSP
BLE
Crashlytics
Nightwatch.js
GCP
Cloud Functions
MVVC
SOLID
UML
macOS
Bloc
watchOS
...

- Over 12 years in the tech industry, my mission is to innovate with cutting-edge technologies, fostering a team-driven environment where diverse perspectives thrive - Committed to developing robust products that seamlessly integrate mobile and cloud technologies, aligning with our organization's culture of continuous learning and improvement. - My expertise in mobile development and enterprise systems, underpinned by a solid understanding of business ownership, empowers us to create solutions that resonate with our users' needs. -Over the past 6 months, my role team-lead and Head of R&D has centered on assembling and leading a dynamic team adept in technologies such as Flutter, Golang, Java, Angular, and React. - Dedicated to leveraging cloud services like AWS and Google Cloud Platform, ensuring our products are scalable and reliable.

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Seniority Architect/Team-lead
Location Novi Sad, Serbia
Java 15yr.
Flutter 5yr.
Kotlin 5yr.
Android APIs 15yr.
OpenCV 5yr.
Retrofit 5yr.
RxJava2 5yr.
Node.js 5yr.
SQLite 5yr.
iOS 5yr.
Facebook Auth 4yr.
Jenkins 3yr.
Python 2yr.
Android NDK 2yr.
WPF 2yr.
Realm 2yr.
AWS 2yr.
Winforms 2yr.
Microsoft Visual Studio Code 2yr.
Qt Creator 2yr.
MVP 2yr.
PySide 2yr.
Objective-C 1yr.
React Native 1yr.
Blackberry SDK 1yr.
Eclipse 1yr.
Unity 1yr.
libGDX 1yr.
Unreal Engine 1yr.
active admin
BLE
JSON
Mobx
Dropbox API
BitBucket
Ffmpeg
H.263
H.264/AVC
JBoss
OneDrive
RTSP
RTP
...

- Mobile software developer with over 15 years of extensive experience in designing, architecting, and developing mobile applications for Android and iOS platforms using Flutter, Kotlin, Java, and React Native. - Skilled in Clean Architecture, cross-platform solutions, and native development. - Proven track record of leading mobile development teams for fintech, investment, and subscription-based platforms. - Expertise in overseeing end-to-end project execution, including architecture design, feature implementation, testing, and delivery. - Proficient in building SDKs for hardware sensors, smartwatches, and other devices, with capabilities such as BLE communication, data parsing, OpenCV integration, and real-time data synchronization. - Specialized in developing healthcare and assistive communication applications with features like speech-to-text, word prediction, handwriting recognition, and customizable UI/UX for individuals with disabilities. - Experience in building interactive games for Android devices and smartwatches using frameworks like libGDX and AndEngine, with added functionality for integrating external sensors. - Strong expertise in optimizing application UI/UX, working with images and video streams, and enhancing application performance through efficient coding practices. - Skilled in integrating cloud services (AWS, Dropbox API, Parse) and building backend solutions for data storage, synchronization, and real-time updates. - Hands-on experience in implementing automated testing, improving code quality, and ensuring seamless application performance across devices.

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Seniority Expert (10+ years)
Location Poland
Java 9yr.
Kotlin 9yr.
Android APIs 9yr.
Flutter 4yr.
Facebook Auth 3yr.
JavaScript
Swift
Crashlytics
Redux-Saga
Data Lake
Azure
AWS Amplify
Banking
Agile
Clean Architecture
Kanban
MVVM
Scrum
UML
GraphQL
RESTful API
BitBucket
Git
CI/CD
Codemagic
GitLab CI
Jenkins
Fastlane
JIRA Core
MVP
Packet Tunnel Provider
Bloc
ERP (Enterprise Resource Planning)
GetX
OOP/MVC
Performance Optimization
Quality Assurance
Riverpod
Team Collaboration
...

Software Engineer with 9 years of expertise in Android, Kotlin, Java, and 3.5 years in Flutter (Android, iOS, Web) development. Managed teams for 3 years and excels in project skills like planning and management. Responsible for designing and building responsive, high-performing applications and leading the execution of complex projects. Mastered relevant technologies including C++, Swift, JavaScript, and various SDLC methodologies such as Agile and Scrum. Contributed to innovative applications like Gibson Guitars Amped and WIO Business, showcasing proficiency in modern programming paradigms, principles, and patterns, coupled with a strong educational foundation in Information Technology.

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Seniority Senior (5-10 years)
Dart 5yr.
Kotlin 3yr.
GraphQL 3yr.
MVVM+Rx 3yr.
Java 3yr.
Chrome Extensions 3yr.
Push notifications 3yr.
Agile 3yr.
Scrum 3yr.
Project Management 3yr.
WebSockets 3yr.
Team Leadership 3yr.
OneSignal 1yr.
Graphene
pytest
React
PostgreSQL
Redis
SQLAlchemy
CI/CD
Git
...

Software engineer with 5+ years of experience, specialized in Flutter development and project architecture. Core competencies include mentoring Flutter teams, setting development standards, and implementing CI/CD pipelines. Impressive track record of creating applications using MVVM, GraphQL, RestAPI, and a range of other technologies like Firebase and Chromecast, with experience in developing native plugins with Kotlin, Java, Swift, and JavaScript. Demonstrable expertise in enhancing the performance of legacy projects and modularizing project structures. Education includes ongoing studies in Analysis and Systems Development and a background in Computer Technology. Highly skilled in front-end development, database design, DevOps practices, and mastering various programming languages. Proficient in applying Agile principles and proven problem-solving abilities, coupled with strong leadership and mentoring skills.

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Seniority Senior (5-10 years)
Location Brazil
Facebook Auth 6yr.
Dart 6yr.
Swift 6yr.
UIKit 6yr.
SwiftUI
Kotlin
TypeScript
Angular
Node.js
React
ASP.NET Core Framework
Identity Server
Bootstrap 4
HTML5
Kendo UI
SCSS
Socket.io
C/C++/C#
Coil
Crashlytics
Data binding
Flutter
KMM
Koin
Kotlin Coroutines
LiveData
Retrofit2
Ethers.js
React Navigation
Redux-Saga
MongoDB
Firebase Cloud Messaging
Azure Blockchain
Healthcare
retail
Atlassian Trello
BitBucket
Github Actions
Collections API
DI
Google Maps API
Swagger
Figma
GitLab CI
Kanban
MVVM
Scrum
MQQT
RabbitMQ
Postman
TestFlight
WebRTC
WebSockets
Bloc
Dispatch
go-kit
POM
POS
Room Dagger 2
SOUP
...

Seasoned Senior Mobile Developer with 6 years of experience, specializing in native iOS (Swift, UIKit, SwiftUI) and cross-platform (Flutter) mobile app development. Demonstrated expertise in full lifecycle project management, architecting robust app solutions with a focus on the Blockchain, Transportation, Education, HealthCare, and E-commerce sectors. Proficient in leveraging modern development tools, such as Alamofire, Core Data, and Combine. Effective at leading and mentoring teams, directly engaging with clients, and contributing to high-quality software with experience in SDLC, MVVM, Agile methodologies, and CI/CD pipelines. Recognized for refactoring and optimizing codebases for scalability and performance.

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Seniority Senior (5-10 years)
Location Lviv, Ukraine
Swift 3yr.
Python 3yr.
XCode 3yr.
Data visualization
HDFS
AWS RDS (Amazon Relational Database Service)
3D Modelling
Project Management
Risk Assessment Framework
...

- Full-stack iOS Developer with over three years of experience, specialized in Swift, Python, and Xcode, with a successful track record of designing, developing, and launching high-quality iOS applications. - Demonstrated expertise in the complete app development lifecycle, skilled in UI/UX design, front-end coding, back-end integration, and database management. - Extensive 11-year background as a Data Analyst, proficient in data visualization, econometric modeling, and using tools like Stata, EViews, and Python to deliver data-driven solutions. - Strong foundation in various statistical techniques and models, including ARDL, Spatial Autocorrelation, Probit and Multinomial Logit regressions, and VECMX model. - Proven experience in project management, including conducting feasibility studies for PPP projects, and an adept understanding of risk assessment and stakeholder collaboration in the economic sector. - A well-rounded educational background with a Master of Arts in Economics and a Bachelor of Arts in Economic Informatics, graduating with honors.

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Seniority Expert (10+ years)
React Native 3yr.
Mobx 3yr.
Front-End Web Development 3yr.
Mobile Application Development 3yr.
CSS 3yr.
HTML5 3yr.
API 3yr.
Responsive Design
Team Leadership
...

With over three years of professional experience, the React Native developer has a strong foundation in mobile application development, demonstrating expertise in state management with MobX. They possess a track record of creating cross-platform mobile apps with a focus on responsive, seamless user experiences and have tackled projects including e-commerce and uptime monitoring solutions. As a holder of a Bachelor's degree in Computer Engineering and currently pursuing a Master's degree in Software of Computer Systems and Networks, the engineer is grounded in a solid theoretical understanding of the field. Their proficiency extends to handling platform-specific challenges and employing varied React Native packages for innovative problem-solving. Engagements in roles ranging from CEO of a start-up to front-end and mobile development showcase a breadth of leadership and technical skills.

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Seniority Middle (3-5 years)
Location Azerbaijan
Java 4yr.
Python 4yr.
JavaScript 4yr.
Flutter 4yr.
Dart 4yr.
HTML/CSS Preprocessors 4yr.
Github Actions 4yr.
Node.js 2yr.
PostgreSQL 1yr.
AWS 1yr.
AWS ML (Amazon Machine learning services)
CNN
NumPy
PyTorch
Scikit-learn
Express
JSON
Matplotlib
Pandas
MongoDB
Azure DevOps
Agile
OOP
Atlassian Trello
JIRA Core
CI/CD
Facebook Auth
JWT
RESTful API
Swagger
IntelliJ IDEA
Microsoft Visual Studio Code
JUnit
Postman
UDP
Regexp
Complex System Architectures
...

Software engineer with a strong background in computer science, evidenced by a Master's from Concordia University and a Bachelor's from Chitkara University. Expertise lies in full-stack development, with proficiency in Java, Python, C, JavaScript (including Node.js and React.js frameworks), and Dart, accented by practical application in diverse software engineering projects. The engineer demonstrates a deep understanding of dev ops and cloud services, capitalized on when improving infrastructure uptime and performance in various roles. Significant experience in constructing robust applications, including event management and healthcare platforms, with a focus on efficiency, user retention, and front-end development.

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Seniority Middle (3-5 years)
Location Canada
C/C++/C# 1yr.
Entity Framework 1yr.
React
...

Software engineer with a focused background in backend development, skilled in C#, .Net Core, Entity Framework, and front-end technologies including MVC and JavaScript. Proven track record of successful project delivery, reflected in the implementation of advanced features such as two-factor authentication, JWT tokens, and real-time communication using SignalR. Demonstrates strong analytical capabilities with experience in financial analysis during internship at Deloitte. Adept at working within the full software development life cycle, from initial design to testing, evidenced by an OOP project that integrated all four main principles and boasted an 80% unit testing coverage on back end. Educated at Queen Mary University with expected first-class honors in Economics and Finance, which complements technical abilities with robust analytical skills. A competitive triathlete, embodying resilience and dedication, essential qualities for high-performance environments.

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Seniority Junior (1-2 years)
Location Sofia, Bulgaria
Android 7yr.
React Native 4yr.
JavaScript 4yr.
API 4yr.
emotion-js 4yr.
Java 2yr.
Kotlin 1yr.
Material UI 1yr.
Facebook Auth 1yr.
C
C#
C++
Python
TypeScript
Machine Learning
NLP
OpenCV
Android SDK
Android Studio
Retrofit
Room (Android Jetpack)
AngularJS
React
ASP.NET MVC Pattern
WPF
Crashlytics
Volley
JSON
RxJava
RxJava2
React-Saga
Redux
Data visualization
Firebase
Microsoft SQL Server
SQLite
AWS Security Groups
Agile
Algorithm Design
Dependency Injection
Design patterns
Observer
OOP
Fastlane
Unity
API testing
GraphQL
RESTful API
Unit Testing
Atlassian Confluence
CI/CD
Git
Windows Phone
Xamarin
Mathematics
Microsoft Azure
Mobile Application Development
Presentation Skills
Software Development
Team Leadership
...

- 7 years of software development - 4 years of experience with React Native - 7 years of experience with Android - Significant experience with CI/CD pipelines - Available to start ASAP - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Egypt
Node.js
React
.NET
React Native
Angular
Vue.js
Crashlytics
Laravel
MongoDB
MySQL
PostgreSQL
AWS EC2
Agile
CI/CD
Docker
Kubernetes
Project Management
Scrum Master
RESTful API
...

A seasoned Senior Software Engineer with a robust background in Computer Science from Menofia University, boasting extensive experience in backend and mobile solutions. Demonstrates deep expertise in cloud-native technologies, microservices architectures, and Agile project management methodologies. Strong track record in leading development teams, executing full SDLC, and elevating product quality through rigorous testing practices, including unit and integration tests. Advanced proficiency in a suite of technologies, including Node.js, React Native, AWS Services, Docker, and K8s, coupled with a commitment to best practices in software engineering, notably in database optimization, API design, and DevOps techniques.

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Seniority Senior (5-10 years)
Location Alexandria, Egypt
React 7yr.
PHP 7yr.
Node.js 5yr.
JavaScript
TypeScript
CSS
HTML
HTML5
Express
Next.js
Vue.js
JSON
JSX
NPM
React Native
Laravel
Symfony
GeoJSON
MongoDB
MySQL
ORM
Sequelize
Azure
AWS EC2
AWS ELB (Amazon Elastic Load Balancer)
Agile
SSR
BitBucket
Git
GitHub
GitLab
Branching strategies
CI/CD
Docker
JWT
Keycloak
RESTful API
YouTube API
Linux
SSO
Cloudfare
RDS
...

- Software Developer with over 7 years of experience - Experience with React over 7 years - Experience with React Native over 3 years, which included migration from Java to React Native and building a medical platform - Experience of work in mixed teams - Upper-Intermediate English

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Seniority Middle (3-5 years)
Location Nigeria
Swift 7yr.
Go
OpenVPN
Objective-C
Solidity
Akka Actors
Auto Layouts (Figma)
Crashlytics
KeychainSwift
Moya
.NET
Firebase
Realm
RealmDb
Oracle OCI
AWS Cloudformation
AWS Cognito
APNS (Apple Push Notification Service)
AVFoundation
CocoaPods
Combine framework
Core Location
MapKit
SceneKit
SwiftPM
SwiftUI
Tuist
UIKit
URLSession
AppLovin
CI/CD
DRY
MVC
MVVM
SOLID
Figma
Git
Google API
Google Maps API
Google Maps SDK
RESTful API
IMA DAI
XCode
iOS
tvOS
mTLS
Postman
x509
Network Extension
WebSockets
AdMob
ARC
ChromeCast
CoreHaptics
Digital rights management (DRM)
DispatchSemaphore
GCD
GRDB.swift
Instruments
iPadOS
Lock
MPOS
Multithreading
MVVM+Rx
NeedleFoundation
NF525
Notification extension
OOP/MVC
RevenueCat
Semaphore
Sign in with Apple/Google
SPM
SpriteKit
SSOT
StoreKit2
Storyboard
Swift-Certificates
UDF
URSession
VisionKit
Widget extension
WidgetKit
Wireguard
Xcode Cloud
XcodeGen
XIBs
YAGNI
...

- Motivated software engineer with 7 years of iOS development experience (Swift, SwiftUI, and Objective-C). - Over 30 App Store project launches for iOS/macOS, including VPN, OpenVPN protocols, and deploy VPN servers) - Comfortable in both sole developer and team player roles, team-lead experience - Back-end experience with GoLang (last two years) - Upper-Intermediate English - Available to start ASAP

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Seniority Senior (5-10 years)
Location Kyiv, Ukraine
Swift 5yr.
UIKit 5yr.
SwiftUI
C/C++/C#
Crashlytics
JSON
Databricks
Google Spreadsheets
Firebase Realtime Database
MySQL
NoSQL
Realm
SQLite
Agile
Kanban
Scrum
Waterfall
Alamofire
Core Animation
Core Location
NWProtocolWebSocket
Packet Tunnel Provider
URLSession
Facebook API
RESTful API
Fastlane
MVP
Unit Testing
XCTest
WebSockets
GCD
MVVM+Rx
OOP/MVC
RACI matrix
...

- Over 5 years of diverse experience in IT and expertise in Swift and various iOS frameworks in various fields (Social Chats/Communication, online language learning, healthcare, food & delivery). - Basic experience with network protocols & vpn (several months projects) - Available ASAP (Deferment from mobilisation till summer 2026) - C1 English

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Seniority Senior (5-10 years)
Location Lviv, Ukraine
Swift 7yr.
Objective-C 7yr.
IOS SDK 7yr.
SwiftUI
Kotlin
Crashlytics
KVO
Zend
Databricks
Realm
Firebase Cloud Messaging
Cloud Functions
Agile
Kanban
Scrum
Waterfall
Alamofire
Combine framework
Core Animation
StoreKit
Swinject
CI/CD
Fastlane
FreeBSD
GraphQL
WebRTC
async
Multithread
...

A seasoned iOS developer with over 7 years of experience, specializing in the Apple ecosystem. Proficient in Swift, Objective-C, SwiftUI, and Kotlin, with strong expertise in reactive programming, databases, networking, and multithreading. This engineer is adept in implementing various architectural patterns such as MVVM, Singleton, and Dependency Injection. Their technical background is solidified by a Master's degree in System Engineering and Computer Science. Their professional portfolio spans several domains, including Security, Healthcare, and FinTech, showcasing a versatile approach to app development. Key contributions include developing CI/CD pipelines, performing comprehensive testing, and successful App Store deployment. Strengths include advanced knowledge of networking protocols, database management, and multiparadigm programming, making the engineer a well-rounded candidate for complex iOS projects.

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Seniority Senior (5-10 years)
Location Lviv, Ukraine
Swift
Python
Auto Layouts (Figma)
Hero
LLDB
Lottie
RxSwift
RxAlamofire
Firebase
Realm
Alamofire
CleanSwift
CocoaPods
Combine framework
Core Bluetooth
Core Data
Packet Tunnel Provider
SnapKit
Starscream
SwiftPM
SwiftUI
URLSession
Viper
CloverConnector SDK
Google Maps API
RESTful API
Figma
Git
MVC
MVVM
SOLID principles
Network Extension
WebSockets
...

- 5 Years in iOS Mobile Applications development - Strong grasp of Apple development tools (Xcode, LLDB, and Instruments) Currently using LLDB - Is able to mock up proposed user experiences and interactions rapidly - Understanding of Swift, Objective-C memory management, and writing apps with a low memory footprint - Have experience with UI и Unit tests, setting up CI - Hands-on experience developing VPN client applications using Packet Tunnel Provider and NWProtocolWebSocket. - Experience in writing unit, integration, and UI tests - Participated end-to-end, incuding testing, refactoring, and post-launch support. - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Ukraine
Illustration and icons 20yr.
Swift 5yr.
Objective-C
C++
VBA 20yr.
FreeBSD 20yr.
Linux 20yr.
C#
JavaScript
Python
x86 Assembly
Chrome Extensions
Kendo UI
Crashlytics
RxSwift
.Net WCF
Play Framework
React Native
AWS EC2
Google Cloud Pub/Sub
Architecture and Design Patterns
FDD
AVFoundation
CocoaPods
NWProtocolWebSocket
Packet Tunnel Provider
SwiftPM
SwiftUI
Camunda
Silverlight
Charles Proxy
Postman
Unit Testing
macOS
Perl
Shell Scripts
Prototyping
RESTful API
YouTube API
SourceTree
VPN
MVVM+Rx
OSB-SOA
Team Leadership
Wireguard
...

- iOS software developer with 10+ years of experience. Participated in developing an architecting different iOS applications: from iOS AVFoundation players to iPad book readers, from hospitality and Digital Key experience to VPN and security (privacy) applications. - Comprehensive knowledge of core iOS frameworks, excellent hands-on experience in CI/CD pipelines setup, Unit testing and UI prototyping. I have complete knowledge of Apple development guidelines and put 20+ applications to the AppStore. - Strong team player: Always set the product’s needs and team’s goal at the topmost priority. Occupied team leader positions and have lead my teams to growth, and have proven leadership experience. - The scope of professional interests is in between cutting edge technologies: from modern REST API stack technologies to networking, from big-data and machine learning to computer vision applications. - Work expectations would perfectly match with iOS application development and architecting; taking a part in prototyping of UI/UX with technical expertise; leading the team and perform technical expertise of any level. The main goal is to develop robust, advanced and feature-full applications for the world-wide auditory. - Upper-Intermediate English

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Seniority Expert (10+ years)
Location Kyiv, Ukraine
FDD 10yr.
Swift 5yr.
Objective-C
Java
Architecture and Design Patterns
Akka Streams
BLE
Crashlytics
Gson
KeychainSwift
Kotlin Coroutines
LiveData
Lottie
HTML
XML
React
Redux-toolkit
Google Analytics
MapBox
Firebase
Realm
SQLite
Alamofire
APNS (Apple Push Notification Service)
CocoaPods
Combine framework
Core Bluetooth
Core Data
Core Location
SwiftGen
SwiftLint
SwiftPM
SwiftUI
UIKit
Viper
Clean Architecture
MVVM
SOLID
Docker Compose
Git
Github Actions
GitLab CI
IOS SDK
XCode
MVP
XMPP
in app Purchases
MEP Coordination
MVVM+Rx
...

- Software engineer with a decade of experience, skilled in a multitude of programming languages including Swift, Objective-C, and Java. - Expert in developing for iOS with in-depth knowledge of frameworks such as UIKit, SwiftUI, CoreData, and an adept understanding of BLE technology. - Led the maintenance and feature development of a well-known iOS VPN and Password Manager application, focusing on optimizing performance and implementing new features. - Utilized MVC architecture alongside Objective-C and Swift to enhance the functionality of the VPN and Password Manager application. - Played a key role in refactoring the VPN application codebase to improve efficiency and maintainability. - Leveraged Alamofire for network management within the VPN application, ensuring reliable and secure connections. - Collaborated closely with the development team to maintain the high quality of the VPN application's user experience and performance. - Upper-Intermediate English

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Seniority Expert (10+ years)
Swift 2yr.
IOS SDK 2yr.
XCode 2yr.
Architecture and Design Patterns
AWS ML (Amazon Machine learning services)
Agora
API
Google Maps API
RESTful API
Stripe
Core Animation
UIKit
Github Actions
SourceTree
Problem Solving
Usability tests
CocoaTouch
Push Notification
...

Software Engineer with 2.6 years of experience in iOS application development, specializing in Swift and Objective-C. Proficient in building applications from concept to deployment with a strong background in working with iOS frameworks, RESTful APIs, third-party libraries, and XCode/Swift coding and debugging. Demonstrated abilities in architecture design, including MVC and MVVM patterns, and incorporating advanced features such as socket integration, push notifications, Google Maps, and payment gateway integration. Contributions to projects like an appointment booking app for a tattoo studio, an international e-commerce app, a mortgage application, and a taxi booking platform showcase technical versatility and a commitment to delivering engaging user experiences. Holds a Bachelor of Computer Applications and is currently pursuing a Diploma in Computer Applications, underpinning a robust foundation in computer science and software development practices.

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Seniority Junior (1-2 years)
Location India
iOS
Objective-C
Swift
Auto Layouts (Figma)
Foundation
Ulkit
Fabric
KeychainSwift
Push notifications
Firebase
FireStore
MySQL
NoSQL
SQLite
AppCenter
Firebase SDK
App Clips
AVFoundation
CocoaPods
Combine framework
Core Animation
Core Data
MapKit
SwiftUI
TestFlight
UIKit
Viper
CI/CD
Design patterns
DRY
Kanban
MVC
MVVM
Observer
OOD
OOP
Scrum
Singleton
SOLID
TDD
UML
Fastlane
Git
Github Actions
SourceTree
Jira
Redmine
JSON API
RESTful API
Stripe
Networking
UI testing
Unit Testing
XCTest
Bridge
Builder
CoreML
CreateML
Facade
Factory
FNetworking
memory management
MetalKit
MLModel
Modular Architecture
Multithreading (GCD)
Objective-C/Swift
Salesforce Analytics
Salesforce SDK
SPM
XIBs
YAGNI
...

Software engineer with 4+ years of commercial experience in IT; - Strong skills working with iOS; - Proficient in developing applications using Swift and Objective-C; - Experience with iOS technologies such as UIKit, SwiftUI, Combine, Core Data, and more; - Familiarity with various architecture patterns, CI/CD, OOP principles, and REST API; - Excellent knowledge of OOP and experience in using design patterns; - Proficient in using Git for source control and Jira for tracking systems; - Experienced in Agile development methodologies such as SCRUM and Kanban; - Demonstrated expertise in mobile app development, including UI/UX design, testing, and deployment; - Skilled in using various tools and frameworks such as Firebase, CoreML, and CocoaPods; - Strong problem-solving skills and ability to work with databases such as SQLite, MySQL, and NoSQL; - Proficient in English, both spoken and written, at an upper-intermediate level.

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Seniority Middle (3-5 years)
Location Ukraine
FDD
Swift
Objective-C
UIKit
SwiftUI
Auto Layouts (Figma)
Databricks
Firebase Realtime Database
AVFoundation
Google Maps API
RESTful API
Twilio
Push Notification
Sendbird
...

Software engineer with extensive experience in native iOS development, skilled in Swift and Objective-C, and a strong background in Computer Science from Chandigarh University. Notable achievements include leading 5+ projects solo and earning the 'Plobal Apps Rising Star 2024' award. Proficient in UIKit, SwiftUI, and various other iOS technologies, the engineer has a proven track record of contributing to scalable mobile applications, while expertly employing tools such as Git, Firebase, and Realm. With effective communication skills reflected in successful client interactions and a dedication to Agile methodologies, they have demonstrated the ability to drive projects to successful completions.

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Seniority Senior (5-10 years)
Location Mohali, India
iOS
Objective-C
Swift
Auto Layouts (Figma)
Ulkit
Crashlytics
Fabric
KeychainSwift
Push notifications
Speech
Firebase messaging
Firebase Realtime Database
Realm
SQLite
AFNetworking
Alamofire
ARKit
AVFoundation
Core Animation
Core Data
Core Location
SceneKit
StoreKit
SwiftUI
Architecture and Design Patterns
Kanban
MVC
Scrum
Singleton
Waterfall
BitBucket
Git
SourceTree
Facebook SDK
Google Maps API
Google SDK
RESTful API
Firebase SDK
macOS
Jira
Redmine
MVP
Storyboards
WebRTC
XMPP
Multithreading
...

- 7+ years of commercial experience in IT - Experience in developing applications using Swift, Objective-C - Excellent knowledge in OOP - Experience in using Design patterns - Good logical thinking, self-learning, high level of responsibility - Responsible, hard-working, result-oriented, creative and communicable, team player - Good attention to details - Intermediate English - Availability starting from 01/08/2023

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Seniority Senior (5-10 years)
Location Vinnitsa, Ukraine
iOS
Objective-C
Swift
AssetsLibrary
Crashlytics
Fabric
Push notifications
RxSwift
CSS
Foundation
HTML
XML
Redux
MapBox
Firebase
Realm
SQLite
Google Services
AFNetworking
Alamofire
AVFoundation
CocoaPods
Core Animation
Core Data
Core Location
EventKit
MKNetworkKit
SwiftUI
TestFlight
UIKit
Atlassian Trello
Jira
Redmine
CI/CD
Facebook SDK
GraphQL
RESTful API
Fastlane
Git
SourceTree
SVN
HockeyApp
Unit Testing
Interface Builder
XCode
macOS
Windows
Kanban
MVC
MVVM
Scrum
MVP
Storyboards
ArcGIS
cocos2d
QuartzCore
...

- 11+ years of commercial experience in IT - Experience in developing applications using Swift, Objective-C - Excellent knowledge in OOP - Experience in using Design patterns - Good logical thinking, self-learning, high level of responsibility - Responsible, hard-working, result-oriented, creative and communicable, team player - Good attention to details - Intermediate English - Availability starting from 20/07/2023

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Seniority Senior (5-10 years)
Location Poltava, Ukraine
Java 7yr.
Kotlin 5yr.
Facebook Auth 4yr.
Node.js 4yr.
Dart
Android APIs
Dagger2
RxJava2
Express
NestJS
Laravel
Socket.io
MySQL
GraphQL
Jira API
RESTful API
Stripe
ClickUp
Docker Compose
FDD
Observer
PWA
Unit Testing
DartZ
Freeze Doom Loop
GetX
Sentry.io
...

Seasoned software engineer with 8 years of rich experience in mobile and full-stack development, particularly in Flutter, Kotlin, Node.JS, and Java. Proven track record in leading development teams and designing robust software architectures, evidenced by successfully delivering a critically acclaimed MVP for a hair color mixing app and dramatically improving an international social media app's performance by 80%. Proficient in Clean Architecture, DDD, CI/CD using GitHub Actions, and efficient RX programming. Strong background in software engineering with a Bachelor's in IT Administration and an Associate Degree in Software Engineering, coupled with hands-on experience in MVC, MVVM, SOLID principles, and various design patterns. Skilled in enhancing software scalability and performance, contributing to substantial revenue growth and client satisfaction through innovative solutions.

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Seniority Senior (5-10 years)
Location Yerevan, Armenia
Dart 3yr.
Swift 3yr.
JavaScript 1yr.
Kotlin
Rust
Agile
SOLID
API testing
OOPS
Problem Solving
Responsive Design
MVVM+Rx
OOP/MVC
...

Software engineer with extensive experience in mobile development, particularly with Flutter on HealthTech and FinTech products. Strong proficiency in Dart, Swift, JavaScript, Kotlin, and Rust, alongside deep familiarity with technologies such as Flutter, iOS, Android, Firebase, and AWS S3. Demonstrated excellence in applying engineering principles and practices such as Agile, OOP, SOLID, and design patterns like MVVM and MVC. Proven track record of boosting application performance and user retention through strategic optimizations and analytics integration, along with experience in leading teams and enhancing code quality through thorough code reviews and automated testing. Proficient in CI/CD and testing frameworks, adept at crafting responsive layouts, and capable of implementing effective SDLC methodologies.

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Seniority Senior (5-10 years)
Location Nairobi, Kenya
C/C++/C# 6yr.
FDD 6yr.
Xamarin 3yr.
Facebook Auth 1yr.
.NET Maui
Ant Design
AWS CodeDeploy
Agile
Mentor Aptitude
User Interviews
...

Seasoned software engineer with 10+ years of diversified experience in mobile and software development, including hands-on expertise with Flutter, Xamarin Forms, and .NET technologies. Proven track record of leading end-to-one mobile app development, implementing modern design to responsive UI code, and maintaining exemplary code quality standards. Acknowledged for mentoring junior developers, streamlining deployment processes, and effectively participating in SDLC in agile environments. Proficient in both Arabic and English, with a substantial history of working with international teams and clients.

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Seniority Senior (5-10 years)
Location Cairo, Egypt
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