Hire Vetted Mobile Application Engineers at Upstaff - Page 4
All vetted software engineers you need to build AI, Web3, and data Products.
- Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
- Europe, Israel, LatAm, United States, Asia geography coverage
- Remote and hybrid engagement
- Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
Mobile Application
All
Web Application
Data and Analytics
Operations and Cloud
Mobile Application
Digital Platforms
Blockchain
Design and Creative
Quality Engineering and Testing
Delivery Management and Analytics
Desktop Software
Writing and Translation
Marketing and SEO
Scripting and Automation
Embedded Systems
Low-Code
GameDev
Industrial Engineering
Facebook Auth 5yr.
Bloc
Flutter-Redux Webpack
XCode
Observer
Skilled and organized software engineer with 5 years of experience specializing in iOS and Flutter development, evidenced by applications successfully launched on the App Store. Holds a Master's degree in Logistics Management, reflecting a strong analytical and problem-solving background. Possesses a comprehensive skill set including Flutter, Xcode, MVC Design Patterns, localization, and REST API integration, complemented by proficiency in Swift, Dart, OOP, and Git. Familiar with collaboration tools such as Jira, Youtrack, and Trello, and has a track record of working effectively in team settings to deliver high-quality software solutions. Demonstrates expertise in full app life cycle, from concept to deployment, as well as maintaining up-to-date knowledge of modern app development practices.
Java 8yr.
Zend 8yr.
Android APIs 8yr.
C
With over 8 years of expertise as an Android application developer, this engineer boasts a robust proficiency with Java, Kotlin, and C++. They have a strong foundation in computer science, having graduated with a specialist degree in Applied Mathematics. Accumulating experience through substantial roles in mid-level to senior, team-lead, and consulting positions, they have successfully executed more than seven long-term projects and numerous short-term engagements. Technical skills include Android SDK, Android NDK, Firebase, Retrofit2, and Dagger 2. They are adept in methodologies such as SDLC and employ engineering principles across different technologies and tools like Android Studio, Git, and Jira. Their noteworthy projects, like the multi-platform HBO GO and the financial service integration in PayKey, underline their capability to deliver complex applications, highlighting an extraordinary blend of technical acumen and practical experience.
VBScript 7yr.
Swift 7yr.
Objective-C 7yr.
SwiftUI
C
Senior Developer brings 7+ years of robust experience in software development, specializing in TV and mobile platforms. Proven mastery of BrightScript, Swift/SwiftUI, and Objective-C, with sound knowledge of C++, JavaScript, and MySQL. Displays a solid track record of delivering scalable projects, proficient in TV (Roku, tvOS) and mobile application (iOS) development, including DRM-protected and ad-supported content. Demonstrates competence in various design, architectural patterns, and integration of modern technologies such as In-App Purchases and Push Notifications. Adept at multiple programming paradigms, including MVC, MVP, MVVM, VIPER, and an advocate for agile methodologies. Exhibits strong communication skills, a goal-driven attitude, and an ability to work effectively in collaborative environments. Brings a deep understanding of the software development life cycle, with a Bachelor's in Physics from Uzhgorod National University, supporting a significant technical foundation.
Java
Kotlin
- Experienced Android Engineer with 7 years of commercial experience and a strong track record of delivering innovative and robust mobile applications.
- Proficient in Kotlin and Java, with expertise in MVVM and MVP architectural patterns.
- Skilled in refactoring and improving existing codebases, implementing new features
- Extensive knowledge of integrating SDKs like Here Maps, Firebase, Glide, and Realm.
- Has experience working on navigation and banking applications.
- Upper-Intermediate English
Magento 1 15yr.
Adobe XD 2yr.
CI/CD 2yr.
RESTful API 2yr.
- Full-stack Developer with 15 years of experience in Magento platform and Adobe ecosystem
- Experienced in e-commerce platform development and deployment for large infrastructure projects
- Proficient in Continuous Integration and Continuous Delivery, API integrations, and ERP systems
- Strong communication and collaboration skills, detail-oriented and highly motivated
- Magento Certified Developer Plus with team lead experience
- Skilled in Magento 2.x, Magento 1.x, headless development, REST API, GraphQL API, React, VueJS, Salesforce, SRE, DevOps, GitLab, Composer, CI/CD, IAAC, Docker, Vagrant, Laravel, Microservices, and Sentry
- Worked with international brands, participated in put-to-market processes, and expanded into multiple markets
Android 7yr.
Android SDK 7yr.
- Over 7 years of commercial experience in IT as an Android Developer;
- Proficient in Java and Kotlin programming languages;
- Strong knowledge of Object-Oriented Programming (OOP) principles;
- Experienced in using Design patterns such as MVP and MVVM;
- Skilled in using Android SDK and various libraries/frameworks including RxJava, Jetpack Compose, Dagger, Hilt, Room, Navigation, Google Maps, Firebase Analytics, Firebase Crashlytics, and Firebase Cloud Messaging;
- Familiar with Clean Architecture and Retrofit for building robust and scalable applications;
- Proficient in using source control systems like GIT and tracking systems like Jira and Trello;
- Experienced in Agile development methodologies such as SCRUM and Kanban;
- Upper-Intermediate level of spoken and written English;
- Successfully delivered projects in various domains including in-store and online shopping, retail and distribution, taxi services, sports, and job search;
- Strong attention to detail, logical thinking, and result-oriented mindset.
Objective-C
Swift
RxSwift
Highly skilled iOS developer with over 6 years of valuable commercial experience in Swift and Objective-C. With a strong background in mobile app development, has honed his expertise in crafting efficient and user-friendly iOS applications. With attention to details and problem-solving skills, can deliver high-quality applications.
Swift
Objective-C
C++
iOS developer with 6 years experience in iOS development of native applications using mainly Swift/Objective-C. Also have experience with C++ mostly related to 3D graphics development and algorithms integration.
Have experience with entire application development process with published applications on the AppStore.
Able to take responsibilities in:
- developing application system design that fits client requirements.
- direct requirements resolutions with the customer
- organize team-work and set-up all necessary tools for development
Java 6yr.
Android 5yr.
Kotlin 3yr.
- Over 5 years of expertise as an Android developer specializing in Kotlin. Experienced in leading and collaborating with development teams to ensure successful project delivery.
- Skilled in introducing new functionalities, transitioning projects from Java to Kotlin, and adhering to WCAG accessibility standards.
- Proficient in software architecture, quality assurance, and agile methodologies. Also experienced in Java software engineering, web development, and instructional roles.
- Comprehensive understanding of Android UI/UX principles, clean architecture, and a range of libraries and tools.
- Solid proficiency in Java, Kotlin, RxJava, Coroutines, Android Jetpack, Firebase, REST APIs, and various development and debugging tools.
- English proficiency at an upper-intermediate level.
Available to start immediately.
iOS
- Experienced iOS developer with 7+ years of commercial experience in IT;
- Proficient in Swift and Objective-C programming languages;
- Strong knowledge of object-oriented programming (OOP) and design patterns;
- Skilled in using iOS technologies such as UIKit, SwiftUI, Xcode, Core Data, Core Animation, and more;
- Familiar with various architecture patterns like Clean-Swift, MVC, MVP, MVP-C, MVVM+C;
- Experienced in working with REST APIs using URLSession and Alamofire;
- Proficient in using Git and SVN for source control;
- Familiar with agile development methodologies like SCRUM and Kanban;
- Strong attention to detail and ability to work in a team environment;
- Excellent communication skills and ability to work under pressure;
- Fluent in spoken and written English at an upper-intermediate level.
$25/hr
$4000/month
$4000/month
React Native
Certainly! Here's a more detailed summary for you, written in the first person:My name is Sami and I am a software engineer with 7 years of experience in the IT industry. During my career, I have specialized in developing applications using React Native, MERN, and MEVN technologies. These skills allow me to create high-quality, scalable, and user-friendly applications that meet the needs of my clients.Throughout my experience as a software engineer, I have been involved in all stages of the development process, from the initial concept and design phase to implementation and testing. I am familiar with various software development methodologies, including Agile, and have used them to effectively manage projects and meet deadlines.In addition to my technical skills, I am also a strong communicator and collaborator. I believe that clear communication and teamwork are essential to successful project delivery. I am passionate about staying up-to-date with the latest technologies and techniques in the field, and I am always looking for ways to improve my skills and knowledge.
Payment Gateways 5yr.
WordPress 5yr.
Laravel 7-9 3yr.
Unity 2yr.
Ant Design 1yr.
Developer
Android 8yr.
- 8+ years of experience with Android Development
- 4+ years of experience with Kotlin
- Upper-Intermediate English
Android
- 4 years of commercial experience with Kotlin
- Intermediate English
$45/hr
iOS
- 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
- Advanced English
- Availability starting from 31/07/2023
$40/hr
Android
- As an accomplished Android Engineer with six years of experience, I have a proven track record of developing high-quality Android applications. My passion lies in diving deep into the core development of a project and leaving my technical mark. I am eager to keep pace with the rapidly changing mobile world, and I embrace challenges with enthusiasm
- My journey as a Software Engineer began during high school, and I have continued to grow and develop my skills ever since. I am dedicated to working hard and driving innovation in all of my projects. I am also a personable and friendly team player, and I thrive on the opportunity to collaborate with others and meet new people
- Overall, I am committed to delivering exceptional results and making a positive impact on any project I work on
- Upper-Intermediate English
Flutter
- 8+ years of commercial experience in IT
- Experience in developing applications using Dart and Java
- Excellent knowledge in OOP
- Experience in using Design patterns (MVVM, Bloc, Clean Architecture)
- Experience in using SQLite
- Good logical thinking, hard-working, self-learning, result oriented
- Good attention to details.
- Upper-Intermediate English
- Availability starting from 01.08.2023
$40/hr
Android
Kotlin
- 7+ years of commercial experience in IT
- Experience in developing applications using Java, Kotlin
- Excellent knowledge in OOP
- Experience in using Design patterns (MVP, MVVM)
- Experience in using SQLite
- Good logical thinking, hard-working, self-learning, result oriented
- Good attention to details.
- Upper-Intermediate English
- Availability starting from 01/08/2023
$44/hr
Android
- 12 years of commercial experience in IT
- Experience in developing applications using Kotlin, Java
- Excellent knowledge of OOP
- Experience in using Design patterns (MVVM, MVI, MVP)
- Experience in using SQL/NoSQL databases
- Good logical thinking, hard-working, self-learning, result oriented
- Good attention to details.
- Upper-Intermediate English
- Availability starting from ASAP
Android
- I am a self-taught Android developer with a passion for building scalable architecture and writing easily maintainable (deletable) code.
- I am a big fan of DI frameworks like Dagger, Anvil, or Hilt.
- I build apps out of passion outside of working hours, but lately, I have been exploring Ktor on the backend side and working on fully Compose Android applications.
- From time to time, I also like to tinker with Figma.
- I am passionate about the latest tech, hardware and security.
Kotlin
Java
Experienced and self-motivated android developer with 3+ years of experience in developing and supporting applications in production. Worked with applications for education, social sphere and sports. He is a fast learner, eager to learn and share knowledge among co-workers. He works on each project with dedication and creativity.Available in 2 weeks
Location: Ukraine
Swift
Objective-C
- 7+ years experience with iOS;
- Deep skills working with Swift and Objective C;
- Good skills working with Firebase;
- Experience working with Google services;
- Solid knowledge of SOLID and DRY;
- Good abilities working with fintech and banking projects;
- Experience in testing;
- Upper-Intermediate English.
iOS
Objective-C
- 6+ years of experience in iOS development;
- In-depth knowledge of iOS SDK;
- Experience working with fintech and cryptocurrency projects;
- Good knowledge of the development of different mobile projects;
- Experience working with Objective-C;
- Deep abilities with Swift;
- Good skills working with Firebase;
- Experience in UI/UX implementation;
- Good skills in maintenance and testing;
- Upper-Intermediate English.
Java 8yr.
Kotlin 3yr.
- Having over 7+ years of experience in developing native mobile and TV applications for the Android platforms
- Deep knowledge of the Android Framework significantly increased my technical and soft skills.
- Successfully accomplished above seven long-term projects at the middle, senior, and team-lead developer positions, and tech consultant.
- Also participated in many short-term, bug fixing, feature adding, and library developing projects.
- Have strong mathematical and computer science background
- Upper-Intermediate English
- Available ASAP
Java
Kotlin
- Android Software Engineer with 7 years of experience in native android development
- 3+ years of team-leading experience
- Upper-Intermediate English
- Available ASAP
JavaScript
Flutter
0.5+ year of experience in Software Development;
Development of mobile applications for clients and internal use;
Swift 7yr.
- 7+ years of iOS developer
- 7 years of experience with Swift
- Upper-intermediate English
- Available ASAP
iOS
Objective-C
Swift
- 5+ years of experience as the iOS Software Engineer
- Intermediate English level
- Available ASAP
Swift
Objective-C
- 4+ years experience in iOS apps development
- Hands-on scripting experience with Swift; Objective-C, iOS APIs and Frameworks, 3rd party libraries.
- SwiftUI, Firebase and CoreData.
iOS 5yr.
iOS developer with 5+ years of proven working experience in designing, building, and maintaining iOS applications. He is proficient in Objective-C and Swift, has a strong knowledge of iOS frameworks, as well as code versioning tools.Alexei is familiar with RESTful APIs, experienced in continuous integration, and automated testing. He possesses an in-depth understanding of various programming technologies, UI/UX standards, as well as Agile development methodologies. In addition, Alexei can boast of vast expertise working closely with cross-functional teams to define, design, and ship new features, as well as interacting with customers.
Swift
- 6+ years of experience with iOS
- Hands-on scripting experience with CoreData, Core Animation, AVFoundation, MVC and MVVM
- Proficient with Swift 4.0, Objective-C, React-Native, RESTful APIs
Java
Kotlin
- Android Engineer (6 months)
- Educational program (mentoring, code review, git-flow, task management, time management)
- Android Fundamental Courses
- Available ASAP