Oferty dla Junior Java Developer praca Polska

17.04.2026 | Pełny etat | Wrocław | dotLinkersClean, maintainable, and well-tested code - Contribute to architectural and technical decisions - Optimize performance, stability, and developer experience Requirements - 4+ years of professional experience with React Native - Strong knowledge of iOS and Android platforms - Experience with app releases

17.04.2026 | Pełny etat | Kraków | AndersenDiscounts, calculations, validations, routing, etc.) into formalized decision rules. - Developing and configuring business rules. - Creating Decision Tables, Action Rules, and Decision Trees. - Modeling vocabulary and data structures (XOM, BOM). - Writing and managing rules using Rule Designer (Eclipse

17.04.2026 | Pełny etat | Kraków | Upsidedeveloping, and maintaining production-grade platforms for global clients. This position is at the heart of our development efforts, contributing significantly to the backbone of client-facing solutions. You'll be part of a dynamic development team, sized between 3 to 9 members, dedicated to craft scalable

17.04.2026 | Pełny etat | Kraków | ITDSMaintenance and continuous improvement of code quality You're ideal for this role if you have - At least 4 years of experience as a FullStack Developer - Proven expertise in Angular 8+ (preferably Angular 14), JSON, XML, TypeScript, JavaScript, HTML, CSS (minimum 2-3 years) - Strong background in Java 11

17.04.2026 | Pełny etat | Gdańsk (Gdańsk) | iTeamlyTeams to deliver robust solutions - Write clean, tested code (unit, integration, e2e) - Influence architecture and technical decisions - Mentor other developers and share best practices You should have - 5+ years in JavaScript - - 3+ years in TypeScript - React/ - Hands-on experience

17.04.2026 | Pełny etat | Kraków | BritenetDevelopment of a cross-platform mobile application (iOS - Android) in React Native for end-users, integrating with the company's IoT devices. Our expectations - Minimum 4 years of experience in React Native and 5+ years in general frontend development (JavaScript/TypeScript, HTML, CSS). - Strong

17.04.2026 | Pełny etat | Łódź | UpMenu.comGCP Frontend - Praktyczna znajomość React oraz - Doświadczenie w budowaniu responsywnych interfejsów użytkownika - Znajomość JavaScript/TypeScript Ogólne - Git, GitFlow - Otwartość na pracę z narzędziami AI (GPT, Claude Code, GitHub Copilot) - traktujemy je jako integralną część

17.04.2026 | Pełny etat | Szczecin | Sapiens Software SolutionsRequire a real passion to learn and know multiple technologies and solutions, ability to dive deep into our platforms and products and have hands-on practices to continuously build our platforms and products. What to Have for this position 7+ years experience as a Full Stack Developer 3+ years experience

17.04.2026 | Pełny etat | Wysokie Mazowieckie | XTBTo create and develop microservices based on Java, Practical experience with at least one AI coding tool Claude Code, Copilot, Cursor, Windsurf, or OpenClaw, Knowledge of scalability, performance, and reliability of IT systems, Experience in leading projects from architecture phase to production deployment