Java Developer - Leipzig - Renewable Energy

An internationally operating energy and technology company based in Leipzig is looking for an experienced Java Developer to help enhance and scale automated trading systems for the European power market. For over a decade, this company has been developing smart software solutions that drive the shift toward renewable energy.

You'll be joining a diverse, international team with a mission-driven culture that values equality, creativity, and work-life balance. Here, different perspectives and backgrounds are seen as a strength—and innovation is encouraged.

• Develop and maintain backend services that provide key market data for algorithmic trading decisions

• Improve existing systems and implement new features to support market expansion

• Conduct code reviews and collaborate with your team to ensure high code quality

• Troubleshoot and debug issues, while contributing to technical documentation

• Work closely with stakeholders to gather and refine requirements

Tech Stack

• Languages & Frameworks: Java (11+), Spring Boot

• DevOps & Monitoring: GitLab, Jenkins, Maven, SonarQube, Kubernetes, Micrometer, Grafana

Must-Haves:

• At least 2 years of experience in Java software development and Spring Boot

• Solid grasp of design patterns, concurrency, and asynchronous programming

• Confident working with Git, unit/integration testing, and relational databases

• Experience designing and consuming APIs

• Good communication skills in English (minimum B2 level)

Nice-to-Haves:

• Familiarity with message brokers (e.g., Kafka, RabbitMQ)

• Experience with Docker, Jenkins, and CI/CD pipelines

• Understanding of agile methodologies (Scrum, Kanban)

Health & Wellbeing:

• Freshly cooked daily lunch, in-office massages, and Pilates sessions

• EGYM Wellpass and mobility perks (e.g., bike subsidies)

Flexibility & Time Off:

• 30 days of paid vacation + additional leave for special occasions (e.g., honeymoon)

• Flexible working hours and childcare support

Culture & Growth:

• Inclusive international team with flat hierarchies and an open-door policy

• 10% of your working time dedicated to personal/professional development

• Regular team events and a modern, eco-friendly office in central Leipzig

Ready to make a real impact in the energy sector with cutting-edge tech?

Apply now and be part of a forward-thinking, mission-driven team.