API- und Schnittstellenentwickler:in (m/w/d) im Kölner Startup

We are an agile, green startup specializing in energy management and visualization software, looking for an API and Interface Developer to join our team in Cologne, Germany. The ideal candidate will have experience in development with Kotlin, Linux, Git, and API design and integration, with a focus on reducing energy consumption and CO2 footprint.

Requirements

• Successfully completed degree in computer science or equivalent training
• Experience in development with Kotlin, Linux, Git, and Git-Forges
• Good knowledge of API design and integration (REST)
• Experience with messaging protocols like MQTT is an advantage
• Understanding of middleware architectures and system integration
• Experience with the integration of external APIs
• Structured and solution-oriented work approach
• Excellent German and good English skills

Benefits

• Intensive coaching and further education opportunities
• Unlimited fixed-term employment with the possibility of shaping the green founder scene
• Startup atmosphere with a lot of creative freedom, flat hierarchies, and short communication channels
• Flexible working hours and the option to work from home
• Take Your GreenDay! Leave the daily routine behind and dedicate a day a month to your own ideas
• Regular team events and football breaks with motivated and friendly colleagues
• Unrestricted coffee and water supplies as well as regular fresh fruit
• Culturally, sports, and transportationally well-connected location