Salary: 800 - 1200/MD + VAT (B2B) Work model: Warszawa/ Gdynia/ Kraków/Rzeszów (elastic hybrid - once a week on site)   Why choose this offer? Work with a senior, experienced team, no micromanagement Real impact on architecture and technical direction Refactoring opportunity in a legacy system after acquisition Open culture around automation, infrastructure, and DevOps practices No firefighting or late-night support – calm and focused work environment   Project The system is built for managing valet parking services – recently acquired by the client and now in need of maintenance, refactoring, and new feature development for iOS and Android applications. The role is aimed at an experienced mobile developer who can take ownership of features, ensure stable, high-quality performance, and effectively integrate the apps with backend services.   Technologies you'll work with Native code (Android Kotlin/Java or iOS Swift/Objective-C) REST APIs Git CI/CD (Azure DevOps) Claude code     Client – why choose this particular client from the Jit portfolio? An international company in the mobility & parking tech sector, which has just acquired a working product and is now ready to invest in its modernization and long-term development.They value stability, technical ownership, and mutual trust. No rush, no chaos – just solid engineering in a stable environment. Perfect for someone looking for technical ownership, autonomy, and space to do things right.   About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.