Take ownership of complex backend systems end-to-end - from scoping and architecture to high-quality, reliable delivery
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Design and build robust, scalable APIs and distributed systems that power our products and deliver exceptional performance
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Collaborate closely with Product, Frontend, and Design teams to translate product ideas into well-architected backend solutions
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Push the boundaries of what’s possible with modern backend technologies, driving innovation in both architecture and developer experience
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Contribute to evolving our backend architecture, infrastructure, and developer tooling to support rapid iteration at scale
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Proactively identify opportunities to improve system performance, reliability, and developer experience - and drive those initiatives through to execution
What we’re looking for
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5+ years of professional backend engineering experience, ideally in fast-paced startup or high-growth environments
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Deep expertise in Python and FastAPI, with a proven track record of building and scaling production systems
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Experience designing and implementing APIs (REST, GraphQL, or gRPC) that power user-facing products
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Strong experience working with SQL databases (e.g. PostgreSQL), including schema design, query optimization, and data modeling for production systems
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Familiarity with cloud-native architectures, ideally on GCP (e.g. Cloud Functions, Cloud Tasks, Firestore)
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Familiarity with DevOps practices, CI/CD pipelines, and infrastructure-as-code
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Familiarity with Vertex AI and ML specific infrastructure
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Strong communication skills and a high sense of ownership - able to operate with autonomy while staying aligned with team goals
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Some markers of excellence, which could also be non-work related, like having a high FIDE rating
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Most importantly: we care deeply about working with genuinely kind, collaborative, and hard-working people who make the team better through empathy and openness
AI Models: OpenAI, Claude, Perplexity, Gemini, Llama, etc.
Bonus Points
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You’ve personally built and scaled a system (e.g. side project, startup, open-source) that handled significant traffic or complexity, and learned real lessons from it
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Background working on AI products or data-heavy applications
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Academic background in Computer Science or a related technical field
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Experience in starting a company or working at a top-tier high-growth startup
What we offer
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Exciting and challenging work with real impact and ownership at one of Europe’s fastest-growing Series A startups
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Regular team events and off-sites
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Aggressive equity compensation package
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Paid Dinner & Uber home when working late
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The most beautiful office space and work environment in Berlin