Software Senior Engineer Poland Jobs (On-site work)

Senior Java Software Engineer sought to design and operate scalable, high-performance distributed systems for Sportradar’s global sports data and betting ecosystem. Leverage 5+ years of Java expertise, AWS, Kafka, and Kubernetes to own complex initiatives in a cloud-native environment. Based in W...

Senior Software Engineer (C++, Qt) sought by Sopra Steria Polska for an aerospace client in Katowice. You will develop and enhance an aviation app, requiring 5+ years’ experience, strong C++, Qt, and QML skills. Benefits include Luxmed, educational platforms, and workation. EU citizenship and flu...

Senior Software Engineer (Java) sought for Keepit’s Krakow office to build a cloud-to-cloud backup platform. You will own end-to-end features, drive architectural decisions for greenfield projects, and mentor developers. Requires 5+ years in Java, Spring Boot, REST APIs, SQL, Docker, and event-dr...

Senior Software Engineer – Test Automation (Java) role in Warsaw, Poland. Join Mastercard's Developer Experience team to build and maintain high-quality automated tests and frameworks. Requires 5+ years of experience, strong Java skills, and expertise in API, UI, and distributed systems testing. ...

Join Sopra Steria as a Senior Software Engineer (Python/JavaScript) for a major aerospace client. Develop critical aviation applications using ArcGIS and Vue.js in a multinational team. Enjoy a stable industrial environment, benefits like private healthcare, and workation. Occasional travel to Gd...

Join Sopra Steria Polska in Katowice as a Senior Java Engineer. You will integrate the Simpl‑Open middleware into the Language Data Space, focusing on secure onboarding, APIs, and semantic interoperability. We seek strong Java/Spring Boot skills with Docker, OAuth 2.0, and REST API experience. En...

Join our Warsaw team as a Senior Software Engineer. You will design and deploy enterprise-grade software using Python, C#/.NET, and ReactJS. A key focus is solving complex ESRI platform mapping problems to enhance telecom network management tools. This role offers ownership from architecture to d...

Join Sportradar's Odds Product Division in Warsaw as a Senior Software Engineer. Develop high-performance, cloud-first services using Java, TDD, and AWS for real-time sports data. Thrive in a collaborative, agile environment that values clean code, innovation, and work-life balance. Utilize moder...

Join Sportradar's Odds Division in Warsaw as a Senior Software Engineer. Build high-performance, cloud-first services using Java/C++, AWS, and Kubernetes on real-time sports data. We value engineering quality, a test-first mindset, and offer a collaborative, global environment with true work-life...