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Senior Full-Stack Developer(.Net + React)

Sigma Software

Warsaw, Masovian Voivodeship, Poland full-time June 14, 2026

Found Description

Job Description

  • Work directly with Customer engineering and product teams to understand business needs, clarify requirements, and propose effective technical solutions
  • Take ownership of end-to-end feature delivery from technical analysis and design to implementation, testing, and production support
  • Design, develop, and maintain high-quality full-stack solutions using .NET, React.js, and cloud technologies
  • Participate in architecture discussions, technical decision-making, and delivery planning
  • Identify and recommend technical improvements, risk mitigation strategies, and optimization opportunities
  • Develop scalable, reliable, and maintainable applications following engineering best practices
  • Work with containerized environments and Kubernetes-based deployments
  • Apply AI-assisted development approaches to improve productivity and code quality
  • Collaborate closely with distributed teams (developers, QA, product...

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