Senior Java Engineer: Spring Boot Backend (CET Hours)

mibntech is seeking a Senior Java Engineer to join our nearshore team and work on production systems for international clients. You will be embedded in client teams, writing production-grade code from day one.

Design and develop Java/Spring Boot backend services, participate in architecture reviews, and mentor junior engineers while collaborating daily with clients across CET time zones.

Design and develop Java/Spring Boot backend services.
Participate in architecture reviews and technical discussions.
Write clean, tested, production-ready code.
Collaborate daily with clients in CET timezone (Slack, Jira, GitHub).
Mentor junior team members.

5+ years of Java development in production environments.
Strong knowledge of Spring Boot, Spring Data, REST APIs.
Experience with relational databases (PostgreSQL, MySQL, Oracle).
English proficiency - daily client communication.
Able to work CET hours (9h-18h Paris time).
Git, CI/CD, code review culture.