Java Developer - Energy Sector - Leipzig - 85k

We're an international leader in automated energy trading, driving the transition to green power through smart, scalable software. Our diverse, inclusive team values creativity, work-life balance, and long-term growth.

We’re looking for a Java Developer to help enhance and scale backend systems critical to algorithmic trading.

Responsibilities:

• Develop and maintain robust backend services for market data and trading decisions
• Implement new features and optimize existing systems
• Conduct code reviews and write technical documentation
• Troubleshoot issues and refine requirements with stakeholders

Your Profile:

• 3+ years in Java (11+) development, ideally with Spring Boot.
• Strong understanding of design patterns, Git, Maven, and asynchronous programming
• Experience with APIs, SQL, unit/integration testing, and relational databases
• Good English skills (B2 level)

Nice to Have:

• Knowledge of RabbitMQ/Kafka, CI/CD, Docker, performance tuning
• Familiarity with agile methods and energy trading
• basic understanding of cloud based infrastructure, ideally AWS.

Tech Stack:

Java (11+), Spring Boot | MySQL, Clickhouse | Kafka, AMQP, WebSockets

CI/CD: GitLab, Maven, Jenkins, Kubernetes | Cloud: AWS

What We Offer

• Daily fresh lunch, massages, Pilates, EGYM Wellpass
• 30 days vacation, flexible hours, honeymoon leave, childcare support
• Team events, flat hierarchies, green office in central Leipzig
• 10% time for personal/professional development