Stellenbeschreibung:

Be a part of OWNR! … and help people achieve their dream of homeownership through real estate leasing. How does it work? At OWNR, we purchase our customers’ desired property, which they then lease from us. Just like with other leasing models, the advantage is that the customer doesn’t bear the full financial burden or take on major risks upfront. Instead, they can use and try out the property — whether it’s a house or apartment — over a set period of time. And if they like it, they can buy it at a pre-agreed purchase price. This is your new job As a Senior Backend Developer, you will: Architect and build high-availability, scalable backend services using TypeScript and Node.jsDesign clean APIs (REST/GraphQL) to integrate with our front-end, mobile apps, and external services (e.g. payment gateways, lease management tools)Collaborate across teams to translate product requirements into robust technical solutionsLead and mentor other engineers through code reviews, pair programming, and technical best practicesImplement CI/CD pipelines and automation to ensure reliability and rapid deployment iterationsEnhance system performance, maintain security and optimize database interactions (PostgreSQL, Redis etc.)Analyze and debug production issues and enhance system observability (logging, metrics, tracing) Requirements ≥5 years of professional backend development experience with Node.js and TypeScriptProven track record of building production-grade services or microservicesExpertise in API design (REST and/or GraphQL) and relational/no‑SQL databasesFamiliarity with authentication (JWT, OAuth2) and performance optimizationStrong problem-solving skills and experience mentoring othersExcellent English communication skills; German is a plus Experience in CI/CD, test automation (unit/integration), and cloud platforms (AWS, GCP, or Azure) What we offer Competitive salary + flexible work arrangementsA transparent, collaborative and supportive team cultureReal impact developing tech that helps people realize homeownershipPersonal growth through autonomy, coaching, and skill developmentAn international, diverse, and agile organization—constantly evolving About us OWNR is redesigning the experience of acquiring homeownership by offering transparent, flexible, and secure real estate leasing solutions. We purchase customers’ dream homes and offer them the opportunity to lease—with the option to buy at a predetermined price. With a motivated, diverse team in Berlin, Hamburg, and Rhein-Main, we’re ready to grow nationally. Join us as we bring innovation, clarity, and positivity to the path toward homeownership.