Java Developer (Mid/Senior) – Java | Kafka | GCP RITS Group is an IT company that offers top-quality programming services for both the Polish and international markets. We are proud to be among the fastest-growing technology companies. Our priority is the quality and innovation of the solutions we deliver, and our organizational culture is based on trust, collaboration, and continuous improvement. Join a global team responsible for the development and maintenance of advanced systems supporting electronic trading of financial instruments. The team is developing an internal platform used by the trading business in capital markets, operating in a high-performance and high-availability environment. We are currently expanding our team in Poland, which is responsible for migrating the risk and position management application based on Apache Kafka from on-premise infrastructure to the Google Cloud Platform (GCP). The system processes data in real-time and supports position management and exposure visualization for the Cash Equities area. — 📍 Location: Kraków (preferred) or other locations in Poland* 🏢 Work model: Hybrid — 💰 Rate: up to 155 PLN net/h (B2B) *Work model Candidates from Kraków: hybrid work with required presence in the client's office 2 days a week. Candidates from outside Kraków: remote work with required presence in the client's office in Kraków 3 times a month. — Recruitment process Technical skills verification on the Karat platform. At least one project interview with the client. This role is not for you, but you know someone who would be a good fit? Refer them and earn up to 5000 PLN. Referral Program: Talent from your network Don't wait and apply now! Ref. no.: 3/6/2026/r/3546