1KOMMA5° We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected! Become a part of our mission and learn about our Product & Tech team! Deine Position You will work on transforming the business of installing renewable technologies. With our core business software platform we streamline ground operations and rooftop installation to power the energy transition in private homes and small businesses world-wide. As a Working Student Software Engineering (m/f/d) in 1KOMMA5°, you will work in a cross-functional team alongside experienced frontend and backend engineers, product managers and designers in a collaborative environment. You'll contribute to building and maintaining software solutions while learning best practices in development, deployment, and operations. With mentorship and support, you’ll grow your technical skills and help the team deliver impactful solutions. Key responsibilities include but are not limited to: Discover, evaluate, implement, and deploy software solutions for our core customer-facing products Extending and maintaining business critical applications Help shaping actionable requirements from complex and undefined business problems Foster a culture of experiment-driven innovation within the team Improve developer experience and customer satisfaction by constantly avoiding/reducing tech-debt, automating as much as possible, documenting decisions, improving the quality, and ultimately building software people love to use Work collaboratively with product managers, designers, and software engineers Depending on your focus, you will work with some of the following technologies: Backend: Ruby On Rails, TypeScript, Node.js, NestJS Web Frontend: React, TypeScript, Next.js, Vercel Mobile: Flutter Cloud: Goog