Enterprise Integration Back-end Developer, Strasbourg (On Site) - EU Institution

The White Team

Canton de Strasbourg-1, France

13 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Compensation

€ 146K

Job location

Canton de Strasbourg-1, France

Tech stack

Java

Amazon Web Services (AWS)

Tomcat

Apache CXF

Databases

Continuous Integration

Relational Databases

DevOps

Digital Signature

Java Platform Enterprise Edition (J2EE)

Gradle

Hibernate

Interoperability

Java Database Connectivity

Java Persistence API

JUnit

PostgreSQL

Liquibase

MariaDB

Maven

Microsoft SQL Server

MongoDB

MySQL

Cisco Nexus Switches

Oracle Applications

Public Key Infrastructure

Query Optimization

Mockito

Simple Object Access Protocol (SOAP)

Systems Integration

WS-Security

Data Logging

Application Specific Integrated Circuits

Spring-boot

Backend

Spring Data

Enterprise Integration

Non-relational Database

REST

Software Version Control

Docker

Jenkins

Job description

As a Back-End Developer (Enterprise Integration), you will design, build, and maintain core services that enable secure, standards-compliant interoperability across the e-CODEX platform. You'll work primarily in enterprise Java (Spring ecosystem), integrating with SOAP/REST APIs, multiple databases, and trust services to support cross-border justice workflows. This role blends hands-on development with systems integration, ensuring reliability, performance, and compliance with European interoperability and security standards.

Responsabilities:

Implement and maintain Spring-based services.
Design and consume SOAP and REST APIs.
Work with multiple relational and non-relational databases.
Implement security, cryptography, and trust services.
Support interoperability standards used in European justice systems.

IT skills:

Core Back-End & Frameworks

Java (Amazon Corretto 8/11/17/21) and modern language features.
Spring ecosystem: Spring Boot, Spring Data/JPA, JDBC; Hibernate/Jakarta Persistence.
Apache CXF (SOAP & REST), Tomcat/Jakarta EE/J2EE runtime experience.

Security & Trust

PKI fundamentals: certificates, key stores, mutual TLS.
WS-Security, message-level security for SOAP services.
Digital signatures and encryption (EU DSS tools / Digital Signature Service).

Interoperability & Messaging Standards

ebMS, AS4, ASiC-S, ETSI-REM (design, configuration, troubleshooting).

Requirements

Do you have experience in Tomcat?, Data & Storage

Proficiency with relational databases (MySQL, MariaDB, PostgreSQL, Oracle, MS SQL); H2 for testing.
Experience with MongoDB and S3 for file/artifact storage and processing.
Schema design, query optimization, and migration tooling (Liquibase).

DevOps & Tooling