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Working Student Software Engineering - Marketing Tech (m/f/d)

1KOMMA5°

1KOMMA5°

Marketing & Communications, Software Engineering
Berlin, Germany · Hamburg, Germany
Posted on Dec 6, 2025
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 more about our Product & Tech team!
Your mission

As part of a cross-functional team in the B2B domain, you will implement solutions for our customers and sales teams to improve communication and discoverability of our unique mission.

Key responsibilities include:

  • Work collaboratively with product managers, designers, and developers
  • Discover, evaluate, implement, and deploy software solutions for our core customer-facing products
  • Maintain business-critical applications
  • Implement and test A/B experiments to improve website performance and lead conversion rates
  • Take end to end ownership of features
  • Foster a culture of experiment-driven innovation within the team
  • Improve customer satisfaction by continuously reducing tech debt, improving the quality, and building software people love to use

Technologies you will work with include:

  • Web Frontend : React, TypeScript, Next.js, Vercel
  • Storyblok
  • Datadog
  • GitHub Actions
Your profile
  • You are enrolled at a university and contribute 20 hours per week
  • You are studying Computer Science or a comparable course of studies
  • You have experience writing reliable production frontend services with React, TypeScript, and Next.js.
  • You are passionate to write maintainable, documented, reusable, and testable code
  • You are excited about improving user experience and driving customer conversion
  • You have a finger on the pulse of software engineering trends and are excited to learn industry best practices
  • You have an agile and result-oriented mindset, and you consider yourself a team player
  • You can communicate clearly with your team about your Progress and blockers - proactively
Benefits
  • You are part of a dynamic and highly motivated team with people who have proven that they can make things happen and move companies forward
  • With your work, you accelerate the "energy and mobility transition" and make a concrete contribution to the sustainable transformation of our energy infrastructure
  • You move in flat hierarchies and have direct contact with the managing directors as well as short decision-making paths
  • Work with and learn from other skilled engineers
  • You can work in one of our offices in Berlin, Hamburg, or Munich
  • See the direct impact of your work on a rapid-scaling user base
  • Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
  • Benefits and discounts are yours with Futurebens
About us
"At 1KOMMA5°, our vision is to accelerate CO2 neutral life for all! We created an easy one-stop-shop to buy and install solar, charging stations and heat pumps, with the purpose of liberating all European homes from the shackles of fossil fuels. With Heartbeat, we make clean energy smarter. Connecting our customers into one powerful clean energy operating system to enable flexible tariffs and to ultimately follow the rhythm of wind and sun!" - Philipp Schröder (CEO 1KOMMA5°)