the team. Help develop a scalable platform for the renewable energy sector using modern technologies. Integrate new product lines like smart meters, dynamic pricing, EV charging, and more.
What we're looking for 3+ years of backend development experience. Strong experience with TypeScript . Confident designing and building APIs . Solid understanding of relational databases . Commitment to writing clean, testable code (unit, integration, and E2E testing). Comfortable working on greenfield projects and building systems from the ground up. Strong communication skills and fluency in English. Familiarity with CI/CD workflows (e.g., Docker, GitHub Actions). You can view our full tech stack here .
Nice to have Experience with AWS services (ECS, RDS (Aurora), S3, CloudWatch, Lambda) . Experience with React or React Native, or w illingness to learn new technologies and take on full-stack tasks when needed. Experience using AI tools (e.g., for debugging, documentation, testing)âwe value developers who integrate AI into their daily workflow to boost productivity, but also have a practical mindset â weâre not into vibe coding. We appreciate thoughtful engineering and clear thinking. Interview process TestGorilla Assessment A short online assessment to help us understand your skills and working style. Technical Interview with our Engineering Team A conversation focused on your technical abilities, problem-solving approach, and practical experience. Interview with the People Team Meet the People Lead to explore Ostrom's values and our company culture. Interview with our Head of Engineering A conversation with our Head of Engineering to explore your experience, working style and alignment with
the role. Co-Founder Interview A final conversation to discuss alignment, culture, ownership, and your impact on Ostrom as a whole. Why Ostrom? Environmental Impact: Each customer who switches to Ostrom on average helps offset 1.5 tons of CO2 emissions per year compared to the average German energy mix Flexibility: We offer a hybrid work model with a dog-friendly office in Berlin, Mitte, in case you prefer working in the office. Relocation package: If you want to move to Germany, we offer a visa and relocation support. Trust-based Team: A truly flat hierarchy and transparent company culture, where everyoneâs voice matters. Personal development: You receive an annual growth budget, encompassed with frequent development 1:1âs and development cycles held twice a year.
Benefits: From monthly team events to discounted gym membership, ticket for public transport, e-Moped or e-Bike via Dance, Futurebens, and monthly vouchers. đ
About Us Weâre Germanyâs fastest-growing digital green energy provider and a Certified B Corpâą , driving the energy transition by making renewable energy more accessible and inclusive. How? Through variable tariffs, dynamic pricing, smart EV charging, heat pump and solar optimization, and Germanyâs first virtual power plant: NeoGridâą. At Ostrom, youâll work in a dynamic, open environment where you can be yourself, take on challenges, and grow both personally and professionally. đ±Environmental Impact: Each customer who switches to Ostrom on average helps offset 1.5 tons of CO2 emissions per year compared to the average German energy mix. đ VSOP: On top of offering a competitive salary you will have access to company shares to ensure you can truly be part of the journey. đ Trust-based Team : A truly flat hierarchy and transparent company culture, where everyoneâs voice matters. đȘđœ
Benefits: Du erhĂ€ltst ein flexibles Paket mit vielen Extras â von einem jĂ€hrlichen Weiterbildungsbudget, ĂŒber eine betriebliche Altersvorsorge, bis hin zu vergĂŒnstigten Fitnessstudio-Mitgliedschaften, einem Jobticket oder deinem eigenen E-Bike bzw. E-Roller. Alternativ wĂ€hlst du monatliche Gutscheine oder FutureBens â du entscheidest, was dir wichtig ist. đŹ Transparenz: Ob in wöchentlichen Townhalls, vierteljĂ€hrlichen Updates oder offenen Retrospektiven â wir glauben an klare Kommunikation und kontinuierlichen Austausch. đ€ Erfolge feiern wir gemeinsam: Teamarbeit steht bei uns im Mittelpunkt â und genauso feiern wir auch unsere Erfolge: mit regelmĂ€Ăigen Happy Hours, Team-AusflĂŒgen und unvergesslichen Company Events. đ Work you way: Ob im Berliner BĂŒro, im Homeoffice oder remote unter der Sonne â bei uns arbeitest du dort, wo du am produktivsten bist. đ Wachse mit uns: Persönliche Entwicklung ist bei Ostrom keine Floskel. Wir unterstĂŒtzen dich mit Lernbudgets und Raum zum Ausprobieren â damit du dich fachlich und persönlich kontinuierlich weiterentwickeln kannst.
