Upstaff Developer Profile Directory
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.
Extensive full-stack development experience focusing on backend development using NodeJS (NestJS, Express), Elixir (Phoenix), and frontend development using Vue 3, React, and Ant Design. - Proven ability in building and maintaining various projects, including CMS, payment methods, prediction algorithms, APIs, and e-commerce solutions, indicating strong project ownership. - Proficiency in working with several databases, demonstrating a deep understanding of both relational and non-relational structures. - Experience in applying modern web technologies, with certifications in JavaScript Algorithms, Data Structures, and Data Visualization. - Located in Spain - Upper-Intermediate English
- Experienced C++/Rust/Mobile/Scala Developer with a demonstrated history of working in the financial/media services industries. - Skilled in C/C++. rust, Java, Mobile Applications, Python/Ruby, Haskell. Strong engineering professional graduated from Dnipropetrovs'kij Nacional'nij University. - Intermediate English
- Software Engineer with more than 6 years of commercial experience in software development - Extensive Experience in developing applications using PHP - Experience in development a high loaded online store using SOLID, DRY, KISS - Extensive experience in building architecture and database optimization - Extensive experience in mentoring senior specialists, making code review • Experience in stress testing and speed optimization - Experience in MVC and Domain-Driven Design architecture - Experience in RestFull API - Developing web applications using JavaScript, Vue.js - Quick learner, team player, - Goal-oriented and responsible. - Upper-Intermediate English - Availability starting from 01/06/2023
- 4+ years of experience in IT - 3+ years of experience with React - AWS Certified Cloud Practitioner - Intermediate English
- I have experience cooperating with clients from all over the world and building products related to various spheres: e-commerce, real estate, custom CRM, trading, social media and many more. Product tech design and full cycle of development and support. - Key skills - Product tech design and full cycle of development and support - Technical analysis, time & budget management - knowledge of Go, Rust and JavaScript/TypeScript (node.js/react.js) - knowledge of Database systems: RDBMS, noSQL - knowledge of code quality tools and systems, continuous integration and delivery - knowledge of AWS services - knowledge of QA processes, integration and e2e testing. - Upper- Intermediate English
- Software Engineer with more than 6 years of commercial experience in software development - Experience in development a high loaded online store using SOLID, DRY, KISS - Extensive experience in building architecture and database optimization - Experience in stress testing and speed optimization - Experience in RestFull API - Knowledge how to improve project from business perspective - Quick learner, team player, goal-oriented and responsible. - Availability starting from ASAP
- IT experience starting in 2017. - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2007/2010/2013/2016/2019 Online. - Strong knowledge of LUA, C, C ++, C#, Python, Java, HTML (HTML5), JavaScript, CSS (CSS3). - Experience with TypeScript, jQuery, Bootstrap (3, 4), Data Tables, SharePoint libs, ReactJS, Vue.js, Semantic UI, ADO NET, Data fixes, Code review, Impact analysis, Quality Managment Systems (Based on ISO 9001:20155 and ISO 19011:2011 Standarts) - Extensive experience with MS Visual Studio 2012/2013/2015/2017/2019, VS Code, Jira, Git, Microservices, Doker, Database and Data modeling, SQL DB, MongoDB. - Fluent English - Available ASAP
- Results-oriented Java and JavaScript software engineer with 5+ years of experience developing, testing, and maintaining enterprise software solutions. - Developed and maintained a bunch of advanced projects from use cases and functional requirements. - Good team player, quick learner, motivated and detail-oriented. - Upper-intermediate English - Available ASAP
- 10+ years of experience of Full-Stack Developer. - Intermediatet English. - Available ASAP.
- Experienced in PHP, collaborated with various web development teams to create eCommerce sites
- 6 + years of experience in IT. - Software Enthusiast skilled in developing, testing, and debugging code. - Upper-intermediate English. - Available ASAP.
- 6+ years of experience as a Python Developer - 3+ years of experience as a Go Developer - Upper-Intermediate English - Available ASAP
- Senior React Engineer with 5+ years of experience - Profound React/Vue knowledge - Available ASAP - Intermediate English
- A software developer with 7+ years of experience; - 5 years of Golang experience, building applications, tools, and services/micro-services; - Experienced in developing web and network applications using PHP and Golang; - Proficient in containerizing services with Docker and Linux servers; - 8 years of Linux expertise; - Follower of good engineering practices such as test-driven design, pair programming, continuous integration, and refactoring. Committed to good coding principles such as SOLID, DRY, TDD etc. -Upper- Intermediate English - Available ASAP
- 4+ years of commercial experience with Java and 3+ years of commercial experience with Kotlin - Proficient in Java and Kotlin programming languages, with experience in Spring Boot, Spring Core, Spring Data, Spring web, and Spring Cloud frameworks - Skilled in developing and maintaining APIs for mobile and tablet apps, including Kotlin-based Screwfix app development and Java-based NextGear Capital Mobile Account Portal - Expertise in Gradle, Jenkins, GitLab CI/CD, Docker, Microservice Architecture, Scrum, and various databases and cloud platforms - Demonstrated ability to solve architectural issues and create new features, with experience in both front-end and back-end development - Worked mainly with Spring Framework stack, and different REST APIs for mobile apps and tablets, creating and maintaining them with Java and Kotlin. - Upper-Intermediate English
- 4 years experience with Java, Kotlin - 4 years experience with microservices (soa, event driven...) - 1,5 years experience with RabbitMQ - Learning the principles of software development has provided me with valuable experience and an understanding of design thinking methodologies. I have strong fundamentals in algorithms, OOP, data structures, different architecture types, etc. - Advanced English
- 3 years of professional experience with Ruby - 3 years of professional experience with Python
- For the last 5 years working with different OEMs on different projects - Mainly specialized in BSW integration and configuration and was diagnostics responsible for several BMW, RSA, and PSA projects. - Analyzing and resolving classic AUTOSAR BSW issues. - Providing different customers with AUTOSAR support and coaching. - Configuring different communication stacks. (CAN, LIN, FlexRay, and Ethernet protocols) - Integrating Vector’s Bootloader, Bootloader Manager, and Bootloader updater. - AUTOSAR training (Communication, Memory, and Diagnostics stacks). - Experience with different OEM modules (BMW, DAIMLER, and GM) - Fluent English - Basic German - Available from 25.07.2022
- Software Engineer with excellent skills, knowledge, and work experience in web, mobile, and desktop development - Has over 6 years of experience in developing sites and applications using modern web technologies, solutions, and best practices - Major specialization is building applications based on both Javascript/ES6+ and PHP: backend frameworks Laravel, Symfony, NodeJS, Express/Nuxt/Next/Nest.js/RestAPI along with front-end JS frameworks such as ReactJS + Redux, React Native, VueJS, Angular 2+. - Rich experience in deploying and maintaining using such technologies as CI/CD, Docker, Apache/Nginx, CDN + force SSL Cloudflare, AWS(EC2, S3, Route53, RDS, Lambda, Elastic-cache, SES, SNS, SQS, Amplify CI/CD, IAM), GCP (Firestore, IAM, Cloud Run, Cloud Functions, App Engine, Real-time Database, Identity and so) - Strong skills and knowledge in DB design and management using such DBMS as MySQL, PostgreSQL, DynamoDB, SQLite, MongoDB, writing complex SQL-queries with sub-queries, transactions, cursors, creating stored procedures, triggers, sequences, pg pub/sub, etc. - Worked on over 40+ projects in various roles, like Team/Teach Lead, Architect, FE/BE Developer, with different aims and misc. tech stack - Intermediate+ English - Available from 01.07.2022
- 3 years of work experience in tech - Crypto and fintech projects' background - Upper-Intermediate English - Available ASAP
- 5 years of experience in the IT industry using back-end technologies (Symfony, Laravel Yii) - Developed projects from scratch and improved the performance of existing projects - Worked on RESTful and SOAP API for web, CRM, mobile, and e-commerce applications - Upper-intermediate English - Available in 2 weeks after approval for the project
- A software engineer with 10+ years of experience in the IT industry who builds background services and APIs that are reliable and robust. - Skilled in C#, .NET Core, Apache Kafka, PostgreSQL, Docker, and Kubernetes, and know how the Windows operating system works internally. - Has worked with high-load microservices for the last 3 years and has experience building backend orchestrators. - Has experience working in both startup and corporate environments. - Has expertise in designing features, working closely with solution architects, and leading teams to improve the maintainability, scalability, and reliability of projects. - Upper-Intermediate English.
- 3+ years in front-end web development in a field of web-oriented applications for startups, midsize businesses and large enterprises from various industries - Intermediate English - Available ASAP
• 15 years of proven experience in IT industry • 7 years experience as Solution Architect, 3 years of which in a position of Senior Architect • 12 years of experience in Java, Spring Boot, Micro Services and AWS, Google, Azure Cloud for deployment. • Worked with Ant and Maven and Gradle Build tools in Java. • Experience in designing, developing and overseeing the implementation of solutions that improve the stability, scalability, availability and latency • Expertise in steaming tools such as Kafka • Experience in MySQL, Cassandra, PostgreSQL • Automated environments setup for Developers, Staging for SQA and Production for customers • Extensive experience with Continuous Integration Tools like Jenkin, Hudson, circleci, TeamCity, Bamboo, GitLab and configuring CI/CD with unit test on builds • Experience with AWS API gateway, Lambda functions, Elastic Load Balancers, VPC, Security groups, Jump Servers, Route53, Cloud Watch and servers Auto Scaling • Worked with different Bug Tracking Tools like Remedy, Jira, ServiceNow and Clear Quest. • Ability in development and execution of XML, Shell Scripts and Perl Scripts. • Experience in cloud cost optimization, resources cleanup, automated services scaling based on load and ensuring latest security standards • Experience in linux/Unix Systems • Worked on SDLC Methodologies like Agile, Waterfall.
- 10+ years of experience in IT - Upper intermediate English - Available ASAP
- Full-Stack Software Engineer with 5 years of development experience - Experience in AWS and messaging frameworks like Kafka and Spring Integration - Reworked applications to meet changing market trends and individual customer demands - Designed, developed, and implemented software applications for websites based on analyzed requirements and understanding of industry technical standards - Reviewed code and debugged errors to improve performance - Collaborated in a team-based, Agile environment to accomplish objectives by deadlines - Versed in the latest technologies and most useful programming languages - Fluent English - Available in 1-2 weeks after approval for the project
- 5 years of commercial experience in Web Development - Зку-Intermediate English
- 2 years of commercial experience with React - Upper-Intermediate English
- 5+ years of experience in IT - Fluent English
- 1+ year of commercial experience with Elixir - Experience with starting up projects from a scratch - Upper intermediate English
- 4 years of experience in IT - Blockchain and fintech background - Upper-Intermediate English
- 5+ years of commercial experience in the IT industry as React Development - Proficient in various technologies and tools, including React, React Hooks, Redux, TypeScript, StyledComponents, and Git. - Experienced in working with large-scale web platforms and property management software. - Demonstrated ability to lead development teams, investigate project architectures, and deliver timely tasks. - Upper-Intermediate English
- PHP Engineer with 5+ years of experience in designing and developing dynamic web application/software - Capable of understanding client requirements and translating them into code to add new features or modifications to existing products - Adept in coordinating with testers to perform acceptance testing as well as maintaining technical documents - Possess strong knowledge of PHP web frameworks such as Laravel. - In-depth information on SQL/NoSQL databases and their declarative query languages to ensure appropriate information retrieval. - Have a solid understanding of various data types, data structures, and algorithms. - Upper-Intermediate English
- Extensive experience with PHP (3+ years) and Laravel Framework; - Deep skills working with JavaScript and Vue.js Framework; - System knowledge as well as coding experience: Raft, MapReduce; - Strong knowledge of HTML, and CSS; - System Design and Popular Distributed; - Oriented around OOP and writing readable and reusable code. - Experience working as a Full-Stack Developer; - High Availability (40+ h/week if needed) - Fluent in English.
- A Software Engineer with over 10 years of development experience in the IT industry. - Most of his experience is related to the .NET platform and C# language, both in client and server-side development. Solid experience working with cross-application integrations. Results-driven, logical and methodical approach to achieving tasks and objectives; determined and decisive; uses initiative to develop effective solutions to problems; reliable, dependable - high personal standards and attention to detail; responsible; quick learner, energetic, and organized. - Intermediate English - Available in two to three weeks
- 5+ years of commercial software development experience; - Solid experience in building rich web applications (monolith and MSA); - Deep skills with frameworks and libraries such as React, and NestJs; - Good abilities working with Node.js and Express; - Familiar working with Kubernetes, Docker, and Terraform; - Experience with AWS ((S3, EC2, AWS SQS/SNS/SES, AWS DynamoDB, IAM, Cloudwatch); - Most of the development experience was gained in projects related to business corporate networks, coaching platforms, insurance, fintech, leasing, event-management systems, and healthcare; - Upper-Intermediate English; - Available: ASAP
- 19 years of experience in IT, - Upper-Intermediate English; - Available ASAP
- 5+ years of commercial software development experience; - 5+ years experience working with Node.js; - Strong skills with React, TypeScript, JavaScript, Express.js; - Good knowledge of working with AWS; - Familiar with Docker, and Kubernetes (K8s); - Deep knowledge in designing and implementing backend and frontend features and bug fixing; - Good abilities in mentoring and training new project participants and supporting them; - Upper-Intermediate English - Available: ASAP
- A Software Engineer with over 10 years of development experience in the IT industry. - Most of his experience is related to the .NET platform and C# language, both in client and server-side development. - Solid experience working with MS Dynamics 365 and cross-application integrations. - Upper-Intermediate English
- Java Developer with 5+ years of experience. - Upper-Intermediate English.
- Qualified software technical lead developer with 13+ years of experience in tech - 13 years+ of experience with .NET - Developed more than 12 projects in teams, starting from 1 developer to 7 developers - Experience working with distributed systems such as database distributed systems in Azure, messaging queuing such as Kafka, Firebase, and signal R - experience in implementing complex projects that have high-load and big-scale transactions, such as traffic violation systems for the government, TEdata invoice collection - Available to work in the US East Coast time zone 3 times per week - Upper-Intermediate English
- Programmer for the past 8 years in NodeJS, Elixir, and Ruby - Upper Intermediate English. - Available ASAP.
- Software Engineer with more than 6 years of experience; - More than 3 years of experience with Node.js; - Good working skills with PostgreSQL; - 3+ years of experience with Docker; - Experience with Ethereum blockchain projects; - Good skills in implementing and writing effective REST APIs; - Deep knowledge in developing and managing well-functioning databases and applications; - Deep skills in developing and managing well-functioning databases and applications; - Upper-Intermediate English; - Available: ASAP.
My aim is not only to establish coding but also to provide relevant and clear-cut methods that are implemented in order to attain the most efficient coding system possible; - Software developer with more than 7 years of experience; - 5+ years of experience working with Node.js; - Experience working with Express.js; - Good skills in working with AWS, Docker, and Kubernetes; - Deep understanding of implementing and integrating APIs; - Experience working with implementing new microservice; - Advanced English; - Available: ASAP.
- 5+ years of experience Full-stack developing with JavaScript; - Experience working with Node.js, and Express; - Deep abilities with React, React Native, TypeScript, and NestJS; - Good knowledge of AWS, and Azure; - Experience working with PostgreSQL, MongoDB, and MySQL; - Good skills with Docker; - Experience working with Apollo GraphQL; - Intermediate English.
- Java Engineer with 5+ years of experience in software development - 2+ years of experience working with credits systems on bank projects - Certified as a Java SE 8 Programmer by Oracle - Participated in all stages of the software development process from planning to implementation, experienced in refactoring and optimization - Has experience as a team lead - Participated in large-scale projects together with international teams - Upper-Intermediate English - Available ASAP
- 6 years experience in IT - 5+ years Java experience - Experience with Python, Azure Cloud and Amazon Web Services. - Certified AWS Cloud Architect. - Proven practical experience with development with Spring, Hibernate using Microservice Architecture Patterns. - Upper-Intermediate English - Available: ASAP