Product Engineer

ABOUT THE ROLE Join a small product engineering team building software for the energy sector. You will work directly with customers and take complex energy retail challenges from discovery through to intuitive, production-ready products. WHAT YOU'LL DO - Work with customers to understand their problems and use those insights to guide product and engineering decisions. - Build and ship end-to-end, full-stack features from discovery through production. - Use AI-native development tools to accelerate delivery and increase your impact. - Own zero-to-one initiatives, including customer payment reminder workflows and customer portal improvements. - Decide what to build, what to prioritize, and when to stop an initiative. - Solve energy retail challenges across billing, procurement, customer retention, and cost optimization. - Contribute to engineering culture, tools, processes, and hiring. WHAT WE'RE LOOKING FOR - A hands-on technical individual contributor with evidence of exceptional technical ability through shipped products, founding work, research, competitions, or similarly strong experience. - Experience shipping end-to-end, full-stack products from discovery to production. The role is open to a range of experience levels, with a strong emphasis on demonstrated work. - Comfort using AI-native development tools such as Claude Code or Cursor. - Fluent German at C1 level or above. - Interest or experience in energy retail, including billing, procurement, retention, or cost optimization. - Strong ownership and judgment, with the ability to work effectively in an early-stage, fast-changing environment. COMPENSATION & BENEFITS Base salary: €80,000 to €120,000 annually. Visa sponsorship is not available. LOCATION On-site in Berlin, Germany, typically five days per week.