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.
QA
...

- Highly-motivated and pro-active QA engineer with 4+ years of experience in web testing. - Upper-Intermediate English. - Available ASAP

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Seniority Senior (5-10 years)
Location Ukraine
JavaScript 6yr.
React 5yr.
Redux 5yr.
...

- 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.

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Seniority Senior (5-10 years)
Location Azerbaijan
Machine Learning Algorithms 6yr.
Python 6yr.
NLP 6yr.
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- About 6 years of experience in Data Engineering - Upper-Intermediate English. - Available ASAP.

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Seniority Senior (5-10 years)
Location India
UI/UX
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- Experience with Marketing and Brand designs, Photo editing; - Good skills working with Website and Mobile App UI/UX Design; - Deep ability with Concept & Design Development; - Experience working with Infographic Designs; - Prototype User Experience design; - Intermediate English; - Available ASAP.

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Seniority Senior (5-10 years)
Location Pakistan
Figma
Adobe Photoshop
Adobe Illustrator
Adobe After Effects
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- 21 years of experience - 500+ projects - Self-driven option - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Kyiv, Ukraine
Unreal Engine
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- 5 years of commercial experience in real-time graphics, primarily on Unreal Engine - Top Unreal Engine Weekly Spotlights (Nature Morte) - Among the TOP 20 Artists in the category of UnrealEngine by artstation.com - Completed the following projects: Animajor 2021 (WePlay Esports), X-Factor Ukraine (STB), Eurovision National Selection (STB), MUZ TV Award 2019 - Upper intermediate English

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Seniority Senior (5-10 years)
Location Kyiv, Ukraine
Infor M3 5yr.
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- I have successfully implemented M3 Payables and Tax areas in four different countries: Poland, the Czech Republic, Germany, Italy, Austria. I have experience with Accounts Payable, Accounts Receivable, General Ledger, Fixed Assets, Cost Accounting. For the last four years I have been participating in rollouts as a accounting leader, superuser and external consultant. Apart from Infor M3 experience I was implementing Medius AP Automation, Readsoft, Qlikview. - 5 years of experience with Infor M3 - Native Polish, - Advanced English - Pre-intermediate German - Beginner French

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Seniority Senior (5-10 years)
Location Poland
Solidity
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- Blockchain Developer with 5+ yrs of experience - Motivated to learn and deploy new technologies to bring transparency, decentralization, security & equality at low cost. - Advance Daaps development: Solidity+Web3(React) - Layer 2 Scaling Solution (Polygon), Avalanche(AVAX) - NFT Marketplace(ERC - 721/1155), Crypto Payment Solutions & DeFi Cross Chain Bridges - ERC-20 Tokens, ICO, DEX, Staking, Swapping - DAO + Multi-Sigs Wallets - Available ASAP

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Seniority Senior (5-10 years)
Location India
Node.js
Express
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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.

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Seniority Senior (5-10 years)
Location Armenia
JavaScript
Node.js
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- 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.

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Seniority Senior (5-10 years)
Location Ukraine
Java
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- 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

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Seniority Senior (5-10 years)
Location Poland
Java
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- 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

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Seniority Senior (5-10 years)
Location Estonia
PHP
Laravel
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- 10+ years of experience in web development - Solid knowledge of such technologies as Laravel Framework, PHP, JavaScript, MySQL - Upper-Intermediate English. - Available ASAP

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Seniority Senior (5-10 years)
Location Republic of Moldova

- 10+ years of work experience with Java stack and about five years as Team Lead. - Digital financial services background - Confident knowledge in development with Java Frameworks. - Experience as a cloud architect. - Experience with implementing Full Stack Features. - Experience with public reports at the conference. - Experience in leading development teams. -Hand on development of the application from scratch, maintaining the legacy projects, testing, bug fixing, and deployment. - Experience in collaboration with distributed (including international) teams leveraging SCRUM methodology. - Able to work both as a team player and on individual assignments. - Fluent in English. - Available ASAP

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Seniority Senior (5-10 years)
Location Poland
JavaScript
React
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- Full stack Developer with 6 years of commercial experience - Experience with Kafka manipulations - Upper-Intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Ukraine
Python 6yr.
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- 9 years of commercial experience in software development - 6 years of commercial experience as a Python Developer - Available ASAP - Upper-intermediate English - Native Hindi - Intermediate Bengali - Intermediate Kannada

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Seniority Senior (5-10 years)
Location Bengaluru, India
Java 8yr.
Kotlin 3yr.
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- 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

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Seniority Senior (5-10 years)
Location Ukraine
PHP
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- 6+ years experience in software development. - Experience in live projects based on Laravel, Adapt-Framework, native PHP, WordPress, Slim. - Experience in working with a team (2-8 people) and working alone. - Upper-Intermediate English. - Available ASAP

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Seniority Senior (5-10 years)
Location Kharkiv, Ukraine
Python
Elixir
Go
Kafka
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- 20+ years of software development - 5+ years of Python & Elixir, Go development, .Net development - Mathematical Science education (diploma with honours), R language for statistical computing and graphics - Strong knowledge in Python, Go, Redis, Elixir, ASP.NET MVC, Angular, DevExpress, C++, PHP, MS SQL Server, PostgreSQL, Oracle SQL, NodeJS, React, React Native, Azure, AWS, Apache Kafka - Strong knowledge of ERP Systems - Strong web technologies - Extensive knowledge of software development lifecycle - Available in approx 4 weeks

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Seniority Senior (5-10 years)
Location Kyiv, Ukraine
Java
Kafka
Kubernetes
Spring Boot
SQL
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- Around 10 years of experience handling Web & Enterprise applications in the Telecom, Finance, Banking & eLearning domains. - 4+ years experience as a Solution Architect - 7+years experience with Java, SpringBoot, Microservices, and AWS - Experience with Kubernetes, Docker - Experience with Rest Api - Experience with MySQL, PostgreSQL, SQL - Expertise in Kafka, RabbitMQ - Cohesive team worker, having strong analytical, problem-solving skills. - Actively upskilling myself & working on innovative ideas. - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location India
Ruby 10yr.
Ruby on Rails 10yr.
Elixir 3yr.
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- 3.5 years of experience with Elixir, 10 years of experience with Ruby and RoR - The last version worked with: Ruby 2, RoR 5 - Gained extensive experience with Elixir focusing on implementing geolocation services and onboarding features using technologies such as Elixir, Phoenix, Postgresql, and AWS. - Projects involving Ruby and RoR include web application development, SOA applications, API development, SAML connectors, quiz platforms, OAuth 2.0 provider applications, and API applications, utilizing technologies such as Ruby, Ruby on Rails, Sinatra, Grape, Redis, MongoDB, RSpec, and React. - Upper-Intermediate English - 2 weeks' notice - Available ASAP

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Seniority Senior (5-10 years)
Location Kyiv, Ukraine
SQL
Talend
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- 5+ years of experience in the IT industry as a Software Developer with hands-on experience with technologies like Talend Studio, My SQL, Postgres, Google Data Studio, Snowflake, Matillion, and Supermetrics. - Developed Talend jobs and Matillion jobs for extracting, transforming, and loading (ETL) data in accordance with the Business logic of the Product. Analyzing, understanding, and updating the Existing Talend and Matillion jobs. - Implemented automation of SQL Queries scripts for daily, weekly & monthly reports. - Worked on Snowflake to create Stored Procedures, Streams, and Tasks. Data Validation and data quality checks at the backend with SQL. - Worked on different Cloud sources like Google Analytics, Google Ads, Facebook Ads, Google Search Console etc - Upper intermediate English - Available for buyout

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Seniority Senior (5-10 years)
Location Bengaluru, India
Java
Kotlin
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- Android Software Engineer with 7 years of experience in native android development - 3+ years of team-leading experience - Upper-Intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Zaporizhia, Ukraine
Entity Framework
Microsoft SQL Server
.NET Core
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Test Talent

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Seniority Senior (5-10 years)
Location Ukraine
AWS
GCP
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- I am a DevOps engineer. I have more than 3 years of experience in big companies. I am interested in the automation of various processes. I would like to work on an interesting project with the possibility of personal and professional growth. I am able to learn quickly and efficiently, eager to master new technologies and skills. - Upper-Intermediate English

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Seniority Middle (3-5 years)
Location Chernihiv, Ukraine
JavaScript
TypeScript
Node.js
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- About 7+ years of experience in development - Data-visualization - Testing coverage - Team management - Architecture design - Docker configuration - Good skills with Adobe Photoshop/Sketch - *nix systems preferred - Upper-Intermediate English. - Available ASAP.

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Seniority Senior (5-10 years)
Location Ukraine
PHP
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- Skilled and results-oriented software developer with more than 5 years of experience working in a variety of environments with a breadth of programs and technologies. - Solid background and advanced knowledge in computer development software including PHP, Javascript. - Skilled in working with database management tools such as MySQL, MongoDB. - Ability to solve complex problems successfully with minimal guidance or help using a logical reasoning technique and a strong attention to detail. - Fluent English

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Seniority Senior (5-10 years)
Location Krakow, Poland
GCP
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- Over 4 years of experience in technical support and system engineering. - More than 5 projects of various sizes and complexity. - Providing solutions for cloud-oriented applications, including infrastructure and configuration management, monitoring, orchestration, and scaling. - Strong understanding of CI/CD, good network knowledge from a technical support background, well-rounded in cloud engineering and orchestration, experienced in scripting languages. - Has been involved in several migration projects, which gave me strong experience in various areas of software and infrastructure design and the possibility to work with different tools and approaches during the POC stage. - Experienced and have a good understanding of different project managing methodologies. - Upper-Intermediate English

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Seniority Middle (3-5 years)
Location Kyiv, Ukraine
SharePoint
JavaScript
C#
.NET
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- IT experience starting in 2015 - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2010/2013/2016/2019/ Online - Strong knowledge of HTML (HTML5), JavaScript, CSS (CSS3), CSS Frameworks (Bootstrap 3/4, Semantic UI, Office UI Fabric, Metro UI) - Experience with JQuery, DataTables, Vue.js, ReactJS, SPFx, C#, .NET, Project Server 2016, PowerShell, PnP - Extensive experience with Azure DevOps, MS Project, MS Teams, Power Platform (Power Apps, Power Automate, Power BI), MS Visual Studio 2015/2017/2019, VS Code, Jira, Git, Slack - Upper-Intermediate English

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Seniority Senior (5-10 years)
Location Lithuania
Product Manager
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-Coins, tokenomics, community -DeFi -Play2Earn -Metaverses -Nodes and testnets -NFT -Analysis of smart contracts, identification of scam types (Regpool, Honeypot, etc.) -Lunchpad operation and private project rounds -Successful cases in trading due to fundamental and technical analysis (spot trading) - Advanced English - Available: ASAP

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Seniority Senior (5-10 years)
Location Vienna, Austria
Ruby on Rails
Solidity
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Acquired a bachelor's degree in Information Systems from UNIVEM in Brazil. Since 2014 work as a Web Developer and since 2021, I have been working closely with Web3 technologies. I always look to broaden my knowledge in the area and enjoy participating in new projects. - 8+ years experience in software development; - 5+ years experience with Ruby on Rails; - 3+ years experience with React / Next; - Experience working on projects related to the NFT marketplace and Web3 integration; - Good skills use Solidity for creating smart contracts (ERC-721 tokens); - Experience working with TypeScript, Go on different blockchain projects; - Worked with projects in the field of DeFi and DAO; - Intermediate English; - Available ASAP.

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Seniority Senior (5-10 years)
Location Sao Paulo, Brazil
Product Manager
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- 7+ Year Experience of leading teams and developing products. - Led teams of 5 to 60 people across technology, business, marketing and design. - Proficient in Design and Prototyping tools, specially Figma, Familiar with Data visualization, Agile Development, Business Analysis, Software development life cycle(SDLC), A/B Experimentation - Search Engine and AdSense Optimization, Social Media Marketing tools, Flask, Latex - Upper-Intermediate English. - Available ASAP

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Seniority Senior (5-10 years)
Location India
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