Backend Java Engineer – Secure Identity Platform
Summary
Backend Java developer at IN Groupe in Łódź building secure, scalable backend services for national digital identity infrastructure. Day-to-day work spans designing and maintaining Java backend components, cryptography, high availability, code quality, and troubleshooting mission-critical systems.
IN GROUPE is seeking a Backend Java Developer to join a team delivering secure, scalable backend services for national digital identity infrastructure. You will work on Java‑based backend development, cryptography, high availability, and continuous improvement of mission‑critical systems.
You will design, develop, and maintain backend components, ensure code quality, troubleshoot complex issues, and collaborate closely with teammates to ensure stable deployments and high‑quality delivery across