Oferty dla Java praca Polska

23.06.2026 | Pełny etat, Freelancer | Olsztyn (Warmińsko-Mazurskie) | NetguruAnd laboratory teams. The role involves hands-on development, refactoring legacy code, and contributing to a scalable and well-structured backend architecture. You must be based in the EU due to client requirements. Position Senior Backend Engineer (Java - Architecture) Contract Freelance - B2B - Remote (EU

23.06.2026 | Pełny etat, Freelancer | Toruń | NetguruAnd laboratory teams. The role involves hands-on development, refactoring legacy code, and contributing to a scalable and well-structured backend architecture. You must be based in the EU due to client requirements. Position Senior Backend Engineer (Java - Architecture) Contract Freelance - B2B - Remote (EU

22.06.2026 | Freelancer, Pełny etat | Wrocław | NetguruDescription We are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration with both Netguru and our client’s teams, acting as a fully integrated

22.06.2026 | Pełny etat, Freelancer | Łódź | NetguruWe are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration with both Netguru and our client’s teams, acting as a fully integrated contributor

22.06.2026 | Pełny etat, Freelancer | Toruń | NetguruWe are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration with both Netguru and our client’s teams, acting as a fully integrated contributor

22.06.2026 | Freelancer, Pełny etat | Kraków | NetguruDescription We are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration with both Netguru and our client’s teams, acting as a fully integrated

22.06.2026 | Pełny etat, Freelancer | Katowice | NetguruWe are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration with both Netguru and our client’s teams, acting as a fully integrated contributor

22.06.2026 | Pełny etat, Freelancer | Białystok | NetguruAnd laboratory teams. The role involves hands-on development, refactoring legacy code, and contributing to a scalable and well-structured backend architecture. You must be based in the EU due to client requirements. Position Senior Backend Engineer (Java - Architecture) Contract Freelance - B2B - Remote (EU

22.06.2026 | Freelancer, Pełny etat | Gdańsk (Gdańsk) | NetguruExperience with JVM-based languages such as Java, Scala, or Kotlin Solid experience with relational databases, including PostgreSQL and MySQL Experience working with NoSQL databases, preferably MongoDB Hands-on experience processing and managing large datasets Strong knowledge of scalable API design