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Senior Java Developer - Energy Trading

Next Ventures — Germany · Posted ~10 hours ago

Senior

Skills

Java Spring Boot Backend development Data pipelines Real-time systems Scalable systems Unit testing Integration testing Code review

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Summary ✨ AI‑Generated

A senior Java engineering opportunity focused on high-performance backend services and real-time data pipelines supporting automated energy trading. You will build scalable services with Java and Spring Boot, integrate with external platforms and market operators, improve performance and resilience, and maintain strong unit and integration testing practices.

Highlights

Senior backend opportunity working on real-time systems and data pipelines supporting renewable-energy markets, with technically challenging work beyond standard REST API development and a strong focus on scalability, resilience, and performance.

Description

Senior Java Developer – Energy Industry – Leipzig – up to €80k We're partnering with an innovative software company developing high-performance systems that support the transition to renewable energy through automated trading technology. They're looking for a Senior Java Developer to join an engineering team building the services and data pipelines behind a real-time trading platform used across multiple European energy markets. This is a role for engineers who enjoy solving complex backend challenges rather than simply building REST APIs. What you'll be working on Designing and developing backend services with Java and Spring BootBuilding reliable, scalable data processing pipelines for real-time systemsDeveloping integrations with external platforms and market operatorsImproving platform performance, resilience and maintainabilityWriting high-quality unit and integration testsParticipating in code reviews and technical discussionsCollaborating closely with product and engineering teams to shape new functionality What they're looking for 5+ years of professional Java development experienceStrong Spring Boot experienceExperience building event-driven backend systems using Kafka, RabbitMQ or similar messaging technologiesGood understanding of concurrency, asynchronous processing and scalable application designExperience with unit and integration testingClean Code principles and object-oriented designComfortable working with CI/CD and modern development practices What's on offer 30 days holidayFreshly prepared lunch every dayWellbeing benefits including fitness and health initiativesPersonal development time each weekModern office in central LeipzigInternational engineering team with flat hierarchies and genuine technical ownership