Java Developer — Large-Scale Border Systems

eu-LISA — Operational Site Strasbourg

POS-0024 · posted 1 month ago

Strasbourg Mid Freelance Apply by 13 Oct 2026

About the role

This mid Java Developer role sits inside an ongoing engagement for an EU agency client, on-site in Strasbourg. The team maintains and extends a Java-based case- and data-processing platform that other EU services depend on daily.

What you'll be doing

Design and build backend services and REST APIs in Java/Spring Boot
Review code and pair with teammates on secure, maintainable design
Diagnose and fix production issues together with the operations team
Contribute to technical decisions as the platform evolves

Tech environment Java 17, Spring Boot, PostgreSQL/Oracle, REST APIs, Git, CI/CD pipelines.

What we're looking for

3-6 years of relevant experience in a similar role
Strong Java and Spring ecosystem experience
Comfortable with relational databases and SQL
Comfortable working under a freelance contract

How hiring works

Apply

takes a few minutes

Interview

with your recruiter

Client interview

meet the team

Offer

we handle the rest

Four steps, one recruiter by your side throughout — and an answer after every step.

Apply for this position

Takes a few minutes. We reply to every application within two working days.