Senior Java Software Engineer (w/m/d).

Software Engineering & Dev Full-Time

Apply on MTG AG → ♡ Save to shortlist

??% CV Match

Senior Java Software Engineer (w/m/d): our view in 3 lines...

The Role:Senior software engineering role focused on building and maintaining distributed business applications with Java and the Spring ecosystem.
The Person:The person will design, develop, maintain, and optimise distributed business applications, contribute to architecture decisions, build secure and reliable services, and mentor less experienced developers.
Requirements:The ideal candidate has 10+ years of professional experience in software development, excellent knowledge of Java, extensive expertise with Spring Boot, Spring Cloud, Spring Security, JPA/Hibernate, RESTful APIs, CI/CD pipelines, Jenkins, GitLab CI, automated testing, and TDD.

Design, development, and maintenance of high-quality software solutions for complex distributed business applications
Helping shape technical design decisions and contributing to the architecture and further development of our software platforms
Developing clean, maintainable, and thoroughly tested code in accordance with modern software engineering best practices
Building secure, fault-tolerant, and high-performance services with a strong focus on reliability, maintainability, and operational excellence
Optimizing application performance, resource utilization, and system responsiveness
Designing robust APIs and integrating distributed systems using modern communication patterns
Ensuring software quality through automated testing, code reviews, documentation, and continuous improvement
Collaborating closely with product owners, architects, QA engineers, and international development teams throughout the entire software lifecycle
Mentoring less experienced developers by sharing knowledge, promoting best practices, and contributing to technical excellence
Staying up to date on new technologies and proactively identifying opportunities to improve our products and development processes

Bachelor’s or Master’s degree in computer science, software engineering, or a related field
10+ years of professional experience in software development
Excellent knowledge of Java (Java 21/25 or newer)
Extensive expertise with Spring Boot, Spring Cloud, Spring Security, and the Spring ecosystem
Extensive experience in the design and implementation of RESTful APIs
Deep understanding of distributed systems and microservice architectures
In-depth knowledge of JPA/Hibernate and relational databases; experience with NoSQL databases is a plus
Solid understanding of software architecture, design patterns, and Clean Architecture principles
Experience designing highly available, fault-tolerant, and maintainable enterprise applications
Strong understanding of concurrency, asynchronous processing, and performance optimization
Experience with CI/CD pipelines, Git, Maven/Gradle, Jenkins, GitLab CI, or similar tools
Experience with automated testing, integration testing, and test-driven development (TDD)
Excellent analytical skills, problem-solving abilities, and strong communication skills; fluency in spoken and written English and German

Published August 21, 2026

Location Darmstadt, Germany

Category Software Engineering & Dev

Job Type Full-Time

Apply on MTG AG →