Europe-Based Java Swing & J2EE Development Engineer

Keoni; Paris; Hybrid; EUR 55,000 - 90,000; Full time

Job summary

Keoni is seeking a skilled Java Swing/J2EE Development Engineer to design and implement enterprise applications. You will work across the Java ecosystem, including Spring, REST/GraphQL services, and microservices in a distributed environment.

Docker containerization and CI/CD automation are part of the role. The position requires strong proficiency in Java, Swing UI, and enterprise development practices, with experience in JEE-ecosystem tools and modern design patterns.

Qualifications

• In-depth knowledge of Java and its ecosystem.
• Spring Framework (Core, Boot, MVC, Data) expertise.
• Strong experience with Java Swing and ergonomic HMIs.
• Proficiency with REST and GraphQL web APIs in distributed environments.
• Docker containers proficiency.
• SQL/ORM/JDBC concepts and techniques.
• Git with CI/CD pipelines (GitLab/GitHub).
• Experience in enterprise app development environments (JEE, Node.js, React).
• Knowledge of UML and design patterns.

Skills

Java

Java Swing

Spring Framework

REST APIs

GraphQL

Docker

SQL/ORM/JDBC

Git & CI/CD

UML/Design Patterns

Microservices

JEE

Tools

Maven

Gradle

SLF4J

GitLab CI

GitHub Actions

Job description

Keoni is seeking a skilled Java Swing/J2EE Development Engineer to design and implement enterprise applications. You will work across the Java ecosystem, including Spring, REST/GraphQL services, and microservices in a distributed environment.

Docker containerization and CI/CD automation are part of the role. The position requires strong proficiency in Java, Swing UI, and enterprise development practices, with experience in JEE-ecosystem tools and modern design patterns.