TL;DRWe're looking for a Fullstack Engineer to ship features end-to-end — from database to UI. You'll build rock-solid systems that connect to CRMs, email providers, calendars, and sales tools, plus the interfaces reps use every day, while keeping latency low and reliability high. Must be obsessed with clean architecture, fast systems, and extreme ownership.Why joinWe’re a small, talent-dense team of engineers building a generation-defining company from Stockholm. We value speed, rigour, and extreme ownership. If you're obsessed with product, thrive in ambiguity, and want to push the edge of what agents can do, you’ll feel at home.You'll work on hard problems across the stack - building resilient integrations with enterprise systems, optimizing database queries, reducing API latency, and shipping the interfaces sales reps live in every day. Not another CRUD app.We're backed by founders and operators behind Lovable, OpenAI, Tandem Health, and Neo4j. Our customers across 10 countries report 90% less prospecting time, 3x market coverage, and 2x customer meetings.What you'll do (responsibilities)In one sentence: Ship features end-to-end — from the infrastructure that makes AI agents reliable, fast, and scalable to the interfaces reps use daily.Own features across the stack: Build complete slices — database schema, API, and React UI — and ship them to customersOwn integrations end-to-end: Design and build integrations with CRMs, email, calendars, and sales toolsReduce latency relentlessly: Optimize database queries, implement caching strategies, and eliminate bottlenecksScale the system: Design for horizontal scaling, handle increased load, and maintain <200ms response timesShip fast: Test ideas, run experiments, iterate daily on real customer feedbackShape the architectu…