April 9, 2026

Senior Java Developer

Senior • Hybrid

130 - 150 PLN

Warsaw, Poland

Take ownership of our platform's expansion by building high-performance bridges between our core systems and global external brokers. We are looking for a developer who combines deep Java expertise with an architectural mindset.

Your Impact:

  • Strategic Integrations: Design and build high-quality Java 8/17/21 APIs from scratch to enable seamless, scalable connectivity with international partners and brokers.

  • Architecture Evolution: Contribute to modern, service-oriented designs using microservices to ensure our infrastructure is resilient and ready for global scaling.

  • Data Mastery: Manage high-traffic applications using Spring, Hibernate, and SQL, ensuring peak performance and data consistency.

  • Modern Engineering: Drive excellence via Git, Maven, and TeamCity, upholding high standards for CI/CD, clean code, and documentation.

  • Full-Stack Awareness: Use your React knowledge to design user-centric APIs that are practical and easy for both internal and external teams to consume.

  • Global Synergy: Collaborate across international borders, communicating effectively in both Polish and English to ensure smooth project delivery.

What Supports Your Success:

  • Experience: 5+ years of Java expertise (Senior or strong Mid+) with deep Spring & Hibernate knowledge.

  • Technical Core: Mastery of REST API design, SQL, and large-scale Maven applications.

  • Architectural Flair: Solid understanding of design patterns and microservices.

  • Bonus Points: Experience with Apache Kafka, DDD/Hexagonal architecture, or migrating monoliths to microservices.

  • Domain: Previous experience in Fintech is a significant plus.