**Tema Grupo Consultor:** A leader in passenger and freight transport consulting studies and projects, with 6 offices across Spain. Our multidisciplinary team develops efficient, customer- and end-user-focused solutions. **TicMoveo and Palma Tools:** Specialists in interoperable payment systems, ITS (Intelligent Transport Systems) solution implementation, and data analysis to optimize public transport mobility. We are seeking a STEM professional with at least 4 years of experience and a passion for ITS (Intelligent Transport Systems) projects. We offer you the opportunity to advance your career by developing and maintaining innovative technological solutions for transport and mobility—including payment systems, passenger control, and more. **Responsibilities:** Develop and maintain back-office applications for our clients. Design and implement solutions for RFID card processing. Build custom ad-hoc applications tailored to each client’s specific needs. Collaborate on other internal development projects as workload and availability permit. **Technical Requirements:** * Minimum 12 months of experience developing Java applications, with knowledge of Spring or Spring Boot. * Solid knowledge of JavaScript. * Experience designing and implementing public APIs (REST, gRPC, etc.) and handling JSON. * Professional use of Git or other distributed version control systems. * Experience with relational databases (Oracle, SQL Server). * Knowledge of software development patterns and their proper application. * Ability to translate designs into modular, efficient, and maintainable implementations. WHAT WE OFFER Remote work model. **⏰ Flexible schedule:** Start and finish work at times that suit you best. Monday–Thursday: 8.5 hours; Friday: 6 hours. **Special days off:** Half-day off the day before Easter Week and Three Kings’ Day. **More free time in summer:** Intensive working schedule during July, August, and the first week of September. **Private health insurance:** Provided after the probationary period, for your peace of mind and well-being. **Continuous training:** We support your professional growth through access to training programs and courses. **23 working days of vacation:** To help you disconnect and recharge. **Birthday day off:** Because celebrating with you matters to us too. **December 24th and 31st holidays:** Extra personal time on special dates. **EFR-certified company (Familially Responsible Enterprise):** Genuine work-life balance and commitment to people.