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October 2, 2026
Full Stack Developer (.NET & React)
Mid • Remote
96 - 112 PLN/yr
Warsaw, Poland
Quick Facts
Role: Full Stack Developer (.NET & React)
Focus: End-to-end, cloud-native software development (backend + frontend)
Environment: Remote, collaborative engineering team
Description
Design and build scalable full-stack applications using .NET Core/ASP.NET Core and React, covering the full software development lifecycle. Develop and optimize REST and GraphQL APIs, create responsive and user-friendly interfaces, and contribute to deployment and continuous improvement. Use AI-powered development tools to accelerate coding, testing, debugging, and documentation.
Responsibilities
Design, develop, and maintain scalable full-stack applications with C#, .NET Core, ASP.NET Core, and React
Build and enhance REST and GraphQL APIs with high performance, security, and reliability
Develop responsive, user-friendly UI with strong usability and performance focus
Leverage AI-powered tools for design, implementation, testing, debugging, and documentation
Collaborate cross-functionally from concept through production and ongoing maintenance
Design and optimize data models using SQL and NoSQL databases
Contribute to cloud-native application development, deployment, and continuous improvement
Participate in code reviews, technical discussions, and architecture decisions
Troubleshoot complex issues, identify root causes, and implement scalable solutions
Take ownership of features and improve development processes and engineering best practices
Requirements
3+ years of professional software development experience
Proficiency in C#, .NET Core, and ASP.NET Core
Hands-on React experience (Hooks, state management, modern frontend development)
Experience building and consuming REST and GraphQL APIs
Experience with SQL Server, PostgreSQL, MongoDB, or other relational/NoSQL databases
Understanding of asynchronous programming and distributed systems
Experience developing cloud-native SaaS or enterprise applications
Hands-on experience using AI-powered development tools (e.g., GitHub Copilot, Claude, or similar)
Responsive UI development knowledge and modern UX principles
Excellent problem-solving skills with proactive, ownership-driven mindset
Strong communication skills in English
Ability to work independently in a fully remote, collaborative environment
Bachelor’s/Master’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience)
Benefits
Opportunity to work on highly scalable, cloud-native applications used worldwide
End-to-end ownership across architecture, implementation, deployment, and continuous improvement
AI-assisted development to speed up coding, testing, debugging, and documentation
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