Oferty dla System Developer praca Polska

23.06.2026 | Pełny etat | Kraków | SiiWill be contributing to projects that shape the future of global communication, working alongside top professionals in a dynamic and innovative environment. Be a part of something big and take your career to the next level with us! Your tasks Development of C+ applications for telecommunications systems, ensuring high

23.06.2026 | Pełny etat | Kraków | Link GroupAbout the Role We are looking for a Senior Full Stack Developer with strong expertise in React on the frontend and C# .NET Core on the backend to build and enhance enterprise-grade applications in the capital markets and risk domain. The role involves developing scalable microservices, modern web

23.06.2026 | Pełny etat | Poznań | StermediaJob description You’ll be joining a team of passionate developers to work on projects for local and international companies as well as in academic research. This will involve different phases of the end-to-end delivery - direct contact with the client, business analysis of the problem, coming up

23.06.2026 | Pełny etat | Poznań | People More P.S.A.And architectural decisions Building event-driven systems and queue-based processing Ensuring security, observability, and high code quality Supporting AI/LLM integrations on the backend side Using AI/agentic coding tools in day-to-day development work Requirements that must be met 7 years of production backend

23.06.2026 | Pełny etat, Freelancer | Poznań | NetguruSo, are you ready to make an impact? Join Netguru, and let's build beautiful software together. We are looking for a (Senior) Fullstack Developer with Freelance assignment full-time, B2B contract. Start July Duration 3 months with the possibility of extension Working hours CET Location

23.06.2026 | Pełny etat | Kraków | Grid DynamicsWe are looking for experienced Go (Golang) Backend Developers (Mid and Senior) to join a growing engineering team. You will be instrumental in building a robust, large-scale internal developer platform. Depending on your experience level, your work will span across microservices, platform SDKs

23.06.2026 | Pełny etat | Kraków | Antal Sp. z o.o.developers, infrastructure specialists, and cyber security experts. We are currently looking for a Lead SME - Cryptography who will support cryptography security assurance reviews and provide consultancy services in this domain. YOUR RESPONSIBILITIES Processing requests in ServiceNow within agreed SLA

23.06.2026 | Pełny etat | Kraków | StoneX PolandAssisted development. Partner with Principal Engineers and platform leaders to align with broader agentic engineering standards. Your objective is not experimentation alone - but measurable improvements in throughput, quality, and developer effectiveness within your domain. 3. Delivery Ownership

23.06.2026 | Pełny etat | Katowice | Svitla SystemsSvitla Systems Inc. is looking for a Senior Shopify Developer for a full-time position (40 hours per week) in Europe. Our client is a leading global toy manufacturer with an award-winning, robust portfolio of wholly owned and licensed brands. Founded in 1997, the company celebrates imaginative play