Oferty dla Sector Using praca Polska

28.03.2026 | Pełny etat | Wysokie Mazowieckie | Transition Technologies PSCKnowledge of SQL and the ability to perform testing using queries; Practical knowledge of relational databases and their testing; Practical knowledge of XML, JSON, Web Services, REST; Proficiency in Polish at a level enabling fluent verbal and written communication. Nice to have ISTQB/ISEB certification

28.03.2026 | Pełny etat | Lublin | P&P SolutionsOf business logic from a legacy monolithic JBoss 4 application to a modern, domain‑driven architecture using Spring Boot. Future development includes building new React-based frontends, enhancing backend services, and modernizing database layers (e.G., Sybase migrations). You will work within a stable

28.03.2026 | Pełny etat | Rzeszów | Xebia sp. z o.o.On maintainability, using modern, web-based MVC frameworks such as Mojolicious, Dancer, or Catalyst, managing code versions using tools like GIT, applying unit and integration testing practices to ensure software reliability, leveraging your understanding of OOP, MVC, and JSON/XML APIs when designing system

28.03.2026 | Pełny etat | Kraków | SonalakeEnvironments including *nix, macOS and Windows Like to troubleshoot database connectivity issues using a variety of diagnostic tools and methods (e.G. client software, drivers/connector) JSON/XML syntax understanding; experience with (REST) API testing with tools like Postman/Swagger (Nice to have) Have

28.03.2026 | Pełny etat | Szczecin | YourITeamsWe are seeking an experienced SAP ABAP/RAP Developer to join a major transformation programme for a leading company in the transportation sector. This senior backend development role involves implementing business logic within SAP S/4HANA, developing RESTful services using the RESTful ABAP

28.03.2026 | Pełny etat | Wysokie Mazowieckie | Cyclad00 CET Budget 140-160 PLN net/ h- B2B Project length Long-term Only candidates with citizenship in the European Union and residence in Poland Start date ASAP (depending on candidate’s availability) Project scope Develop and maintain AI/ML solutions using Python and popular ML frameworks Develop

28.03.2026 | Pełny etat | Poznań | People More P.S.A.For the project that we are working on with our partner, we are looking for .NET Developer Your duties will include Developing software in C# using .NET - .NET Core Developing and maintaining backend applications Building and maintaining system integrations (REST - SOAP APIs) Working with relational databases

28.03.2026 | Pełny etat | Kraków | Antal Sp. z o.o.Backend development processes and engineering standards. Requirements (must have) Minimum 3 years of commercial experience as a Backend Java Developer. Proven hands-on experience developing backend systems using Java (recent versions). Solid experience working with microservice architectures

28.03.2026 | Pełny etat | Wysokie Mazowieckie | GR8 TechBy providing guidance, consulting on test automation approaches. What Makes You a GR8 Fit 3 years of experience in backend automation testing using C#; Solid knowledge of C# and .NET Core, strong OOP foundations, and confident use of SOLID principles and common design patterns; Knowledge of microservice