Working Student – Software Development: IoT & Energy Management

Heatmanager GmbH

Working student in software development on HEATMANAGER's Smart Heating platform. Collaborating with an agile team to implement components for smart thermostat control in customer buildings.

Posted 4/12/2026internshipFrankfurt am Main • 🇩🇪 GermanyEntry LevelWebsite

Tech Stack

Tools & technologies

IoTJava

About the role

Key responsibilities & impact

You will support software development for our smart heating platform HEATMANAGER and implement projects directly with the team
You will become part of our agile development team and receive individual mentoring
You will implement components to control smart thermostats in our customers' buildings
You will work with modern frameworks and technologies

Requirements

What you’ll need

Interest in IoT and sustainable technologies
Practical IT and programming skills
Ideally Java and networking knowledge (LoRaWAN)
Independent, solution-oriented working style and analytical skills
Degree program: Computer Science, Electrical Engineering, Industrial Engineering, or similar
Good German and English skills

Benefits

Comp & perks

Flexible working hours to optimally combine studies and free time
State-of-the-art smart heating solutions
Modern work environment with a company laptop at TechQuartier in Frankfurt, free snacks and drinks
Work in an air-conditioned office and from home
Family-like working atmosphere, regular BBQs and team events
High chances of being offered a permanent position after completing your studies

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavanetworkingLoRaWANprogrammingsoftware developmentIoTsustainable technologies

Soft Skills

independent workingsolution-orientedanalytical skills