Intern / Working Student Software Development Backend (f/m/d) Cutting-Edge Web Apps

Join the Revolution in AI-Powered Energy Management!

At etalytics, we’re more than just a software company — we’re pioneers in intelligent energy systems for the industrial sector. Our cutting-edge IoT, data analytics, and AI technologies help businesses save energy, reduce CO₂ emissions, and cut costs.

Are you ready to shape the future of AI-driven energy management? As an Intern or Working Student in Backend Software Development, you’ll find the perfect environment to grow personally and professionally while contributing to impactful projects.

As an Intern or Working Student in Backend Development, you will play an active role in advancing our etaONE Energy Intelligence Platform. Together with our skilled development team, you will:

• Expand your technical skills through mentoring, code reviews, and an active developer community. Stay up to date with Spring Boot and related technologies.
• Design and develop backend features using modern frameworks and tools such as Spring Boot (Java/Kotlin), Hibernate, Git, Gradle, PostgreSQL, MQTT, and Docker.
• Support the development of new product and solution ideas — bring in your own creative suggestions, solution approaches, and technologies to the process.
• Ensure high code quality standards through test automation with JUnit, Mockito / MockK, test-driven development, and static code analysis.

• Ongoing or completed studies in Computer Science, Physics, Mathematics, Engineering, or a comparable field.
• Strong interest in writing high-quality, maintainable, and well-tested code.
• Willingness and ability to learn quickly and work independently.
• Motivation to take responsibility and build sustainable software solutions.
• Very good English skills are required; German is a plus.

• Meaningful Work: Help industrial companies become more efficient and sustainable.
• Flexibility: Hybrid working with up to two home office days per week and flexible working hours.
• Team Spirit: Supportive, collaborative environment with plenty of room for exchange and growth.
• Community: Regular team events and joint activities.
• Excellent Development Opportunities: High responsibility and learning potential in a growing team.

Our office is located in Darmstadt near Frankfurt am Main, conveniently accessible by public transport, highway, and airport. Become part of a highly motivated, international team!

Ready to make a difference?

This internship is full-time for three months, while working students should be available 12–20 hours per week during the semester.

Send us your CV (PDF) along with your earliest possible start date.

We’re excited to meet you and shape the energy future together!