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Senior Software Developer (m/f/d) Java/Kotlin with Spring Boot

etalytics gmbh · Darmstadt · 5+ yrs

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Job description

Do you want to build software that truly makes an impact? At etalytics, we develop intelligent energy management solutions that help industrial companies reduce energy consumption, lower CO₂ emissions, and cut costs. With our AI- and data-driven products, we actively contribute to a more sustainable future.
 As a Senior Software Developer, you will join our backend team in Darmstadt and work on our etaONE® platform. You will take technical ownership, actively contribute to architectural decisions, and support the growth of our engineering team with your experience. If you care about clean code, modern architectures, and meaningful software, you will feel right at home with us.
 
 Tasks: 
 Design, develop, and maintain scalable backend features – from REST APIs to the persistence layer – using Spring Boot with Java and/or Kotlin

 Actively contribute to the evolution of our cloud-native microservice architecture

 Continuously improve our system landscape using modern technologies such as Docker, Kubernetes, CI/CD pipelines, and asynchronous pub/sub mechanisms

 Provide technical and functional input for new product and solution ideas, including architecture and technology decisions

 Ensure high code quality and long-term maintainability through test-driven development, automated testing (e.g., JUnit, Mockito, MockK), and static code analysis

 Mentor and support junior developers while fostering a strong engineering culture focused on learning and knowledge sharing

 Collaborate closely with product management, developers, and domain experts to translate business requirements into scalable technical solutions

 Actively participate in internal knowledge exchange and continuously stay up to date with backend, cloud, and software engineering trends

 Must-have: 
 At least 5 years of professional experience in backend software development with Spring Boot or comparable frameworks

 Strong proficiency in Java and/or Kotlin

 Experience in building RESTful APIs as well as working with SQL and data modeling

 Hands-on experience with relational databases, ideally PostgreSQL

 Solid understanding of software architecture, clean code principles, and modern software engineering practices

 Experience with CI/CD pipelines and automated testing (e.g., JUnit, Mockito, MockK)

 Experience in taking technical ownership, mentoring, or supporting less experienced developers

 Fluent English skills, both written and spoken

 Nice-to-have: 
 Hands-on experience with Docker and container-based architectures

 Experience with Kubernetes and cloud-native platforms

 Experience with asynchronous architectures or event-driven systems

 German language skills are a plus

 
 Benefits: 
 Purpose-driven work: Support industrial companies in becoming more efficient and sustainable

 Flexibility: Hybrid working with home office options and flexible working hours

 Team spirit: A supportive, collaborative environment with plenty of room for exchange and cooperation

 Community: Regular team events and shared activities

 Work-life balance: 30 days of vacation plus a flexible, agile work culture

 Well-being: Tax-free benefits card, subsidized local gym membership and the option of a job bike

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