Oferty dla System Developer praca Polska

23.06.2026 | Pełny etat | Kraków | DataArtOf the teams. Position overview DataArt is currently helping to modernize and develop the IT system of an independent online retailer of railroad tickets. Technology stack .NET (always working with newest versions) microservices REST API MSSQL migrating to Postgres, DynamoDB Responsibilities Refactoring

23.06.2026 | Pełny etat | Lublin | DataArtOf the teams. Position overview DataArt is currently helping to modernize and develop the IT system of an independent online retailer of railroad tickets. Technology stack .NET (always working with newest versions) microservices REST API MSSQL migrating to Postgres, DynamoDB Responsibilities Refactoring

23.06.2026 | Pełny etat | Wysokie Mazowieckie | DataArtOf the teams. Position overview DataArt is currently helping to modernize and develop the IT system of an independent online retailer of railroad tickets. Technology stack .NET (always working with newest versions) microservices REST API MSSQL migrating to Postgres, DynamoDB Responsibilities Refactoring

23.06.2026 | Pełny etat | Łódź | DataArtOf the teams. Position overview DataArt is currently helping to modernize and develop the IT system of an independent online retailer of railroad tickets. Technology stack .NET (always working with newest versions) microservices REST API MSSQL migrating to Postgres, DynamoDB Responsibilities Refactoring

23.06.2026 | Pełny etat | Wrocław | DataArtOf the teams. Position overview DataArt is currently helping to modernize and develop the IT system of an independent online retailer of railroad tickets. Technology stack .NET (always working with newest versions) microservices REST API MSSQL migrating to Postgres, DynamoDB Responsibilities Refactoring

23.06.2026 | Pełny etat | Wysokie Mazowieckie | CresttSenior Java Developer (TMS) - Design and implementation of IT solutions based on the presented analytical and technical documentation; - Reviewing analytical documentation; - Creating technical documentation; - Technical upgrade forexisting system; - Working with legacy code - Conducting regular

23.06.2026 | Pełny etat | Wysokie Mazowieckie | 4IT SolutionsPoszukujemy .Net Developera/Inżyniera systemów CC dla naszego partnera - firmy specjalizującej się w transformacji cyfrowej IT i rozwiązaniach telekomunikacyjnych dla przedsiębiorstw. Klient realizuje projekty z zakresu transformacji cyfrowej, wdrażania nowoczesnych systemów komunikacyjnych

23.06.2026 | Pełny etat | Wysokie Mazowieckie | ITDSUnleash innovation in distributed systems - shape the future of microservices! Warsaw-based opportunity with hybrid work model. As a Senior Java Developer, you will be working for our client, an industry leader in terminal management systems, dedicated to creating robust solutions for managing

23.06.2026 | Pełny etat | Rybnik | Prosit ASTo get by. 5 years of backend development experience overall. Deep with RESTful APIs, microservices, and system design - you can reason about a system before writing a line of it. Comfortable across SQL and NoSQL (PostgreSQL, Redis, and similar) and owning backend infrastructure. Strong internal