Ostrom is on a mission to build Europe’s leading energy management platform to provide fair, clean energy to everyone.
The company has a diverse team of over 47 employees, with 47% being female and representing more than 16 nationalities.
They have raised over €40 million in funding and are looking for passionate individuals to join their mission.
The Senior Backend Engineer will join a Tech team of sixteen people, including twelve engineers and four in Product.
The role involves focusing on projects related to new business and reducing Operations load to facilitate faster growth with a lean team.
Responsibilities include designing and building backend solutions from scratch, participating in tech stack decisions, developing a scalable platform for the renewable energy sector, and integrating new product lines such as smart meters and EV charging.
Requirements:
Candidates must have 5+ years of backend development experience.
Strong experience with TypeScript and/or Python is required.
Applicants should be confident in designing and building APIs.
A solid understanding of relational databases is necessary.
Commitment to writing clean, testable code, including unit, integration, and E2E testing, is expected.
Candidates should be comfortable working on greenfield projects and building systems from the ground up.
Strong communication skills and fluency in English are essential.
Experience with AWS services, familiarity with CI/CD workflows, and experience with React or React Native are nice to have.
Experience using AI tools for debugging, documentation, and testing is valued.
Benefits:
Employees contribute to environmental impact by helping offset 1.5 tons of CO2 emissions per year on average.
The company offers a hybrid work model with a dog-friendly office in Berlin.
A relocation package is available, including visa and relocation support for those moving to Germany.
Ostrom promotes a trust-based team culture with a flat hierarchy and transparent communication.
Personal development is supported through an annual growth budget and regular development cycles.
Additional benefits include monthly team events, discounted gym memberships, public transport tickets, e-Moped or e-Bike options, and monthly vouchers.