# Senior Software Engineer - Energy Markets (m/f/d) at 1KOMMA5° > Open job at 1KOMMA5° in Berlin, Hamburg, Munich, Germany. Workplace: Remote (Germany). Source: Germany Dev Jobs, https://germanydevjobs.com/jobs/1komma5-senior-software-engineer-energy-markets-m-f-d-h05shoe Posted 27 February 2026. Last checked on the employer's career site: 11 November 2026. ## Facts - Company: [1KOMMA5°](https://germanydevjobs.com/companies/1komma5) - Location: Berlin, Hamburg, Munich, Germany - Workplace: Remote (Germany) - Employment type: Full-time - German: Not required - Skills: BigQuery, GitHub Actions, Google Cloud, Python, Terraform, TypeScript - Not mentioned in the job post: salary, visa sponsorship, relocation, where you can apply from ## Job description #### 1KOMMA5° At **1KOMMA5°**, we pursue a clear vision: **Living on wind and sunlight forever for free**. To make this a reality, we are building the energy system of the future with Heartbeat AI. Want to be part of it? We bring together regional craftsmanship and scalable software: We don't think of solar, batteries, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market – in real time, fully automated. This way, energy is used when it is available from renewables and particularly cost-effective. By 2030, our goal is to transition 1.5 million households to renewable energies. Over 3,000 people are working towards this every day, at more than 80 locations worldwide, from Finland to Australia. **Want to take responsibility and build solutions that truly matter? Apply now and help us shape the energy world of tomorrow**. Become a part of our mission and learn [more](https://1komma5.com/de/ueber-uns/jobs/tech/) about our Product & Tech team! #### Your mission We are looking for a **Senior Software Engineer - Energy Markets** to drive the technical direction of our Energy Markets workstream, with the potential to grow into a lead role. Key responsibilities include: - Build and optimize backend services for VPP operations and energy market integrations - Design systems at the intersection of backend and data processing pipelines - Drive technical decisions and guide fellow engineers on architectural choices - Navigate between data engineering, backend engineering, and energy market domains - Collaborate with product managers, data engineers, and data scientists across team boundaries #### Your profile The successful candidate will have: - Proven experience developing scalable backend solutions with TypeScript - Data engineering fundamentals — designing systems bridging backend and data processing - Hands-on experience with energy service interfaces (smart meters, optimization, load balancing) - Strong knowledge of architectural patterns, CI/CD (GitHub Actions), and cloud infrastructure (GCP preferred) - Ability to guide architectural decisions, mentor engineers, and coordinate across domains - Passion for maintainable, documented, and testable code Bonus points for: - Experience building virtual power plant infrastructure and energy market integrations - Python and BigQuery experience in Data Engineering or Machine Learning contexts - IoT experience for grid balancing and demand response - Infrastructure as Code experience (Terraform) - Familiarity with energy market APIs (EPEX Spot, Montel) #### Benefits - You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen - With your work, you accelerate the "energy transition" and hence have a direct impact on our climate - Work with and learn from other super-smart colleagues - You will enjoy direct contact with core decision-makers - You will enjoy the best chances of entering full-time in one of Europe's most thriving scaleups - You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich - Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass - Benefits and discounts are yours with Futurebens - Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time ## How to apply Apply on the job page, https://germanydevjobs.com/jobs/1komma5-senior-software-engineer-energy-markets-m-f-d-h05shoe: its Apply button opens the employer's own application page. ## More jobs from 1KOMMA5° - [Working Student Lab Engineer - Berlin (m/f/d)](https://germanydevjobs.com/jobs/1komma5-working-student-lab-engineer-berlin-m-f-d-aj4w2hc): 1KOMMA5°, Berlin, Germany. On-site. Posted 22 October 2026. - [(Senior) Product Manager Heartbeat (m/f/d)](https://germanydevjobs.com/jobs/1komma5-senior-product-manager-heartbeat-m-f-d-42mfqjv): 1KOMMA5°, Hamburg, Germany. Remote (Germany). Posted 21 September 2026. - [(Senior) Product Manager Energy (m/f/d)](https://germanydevjobs.com/jobs/1komma5-senior-product-manager-energy-m-f-d-z4dmsdd): 1KOMMA5°, Hamburg, Germany. Remote (Germany). Posted 21 September 2026. - [Working Student Designer (Design System) – Heartbeat AI (m/f/d)](https://germanydevjobs.com/jobs/1komma5-working-student-designer-design-system-heartbeat-ai-m-f-d-rddh6lb): 1KOMMA5°, Berlin, Germany. Remote (Germany). Posted 21 September 2026. - [Head of Security (f/m/d)](https://germanydevjobs.com/jobs/1komma5-head-of-security-f-m-d-090q5sj): 1KOMMA5°, Hamburg, Germany. Remote (Germany). Posted 10 September 2026.