Software Engineer

About the Role Join a small, fast-moving engineering team at a seed-stage AI voice platform to own projects end-to-end and directly shape the product alongside customers. You'll influence core architecture decisions and ship features that power thousands of AI-driven conversations every day — meaningful work with real, immediate impact. What You'll Do Work closely with customers to understand their problems and design product experiences that solve their challenges. Build scalable backend infrastructure capable of handling thousands of AI phone calls per day. Build intuitive user experiences that make sense in an AI-first world. Own high-stakes projects end-to-end, from concept through production and post-release support. What We're Looking For 2+ years of professional software engineering experience. Strong PostgreSQL experience, including complex queries, performance tuning, and optimization. Experience designing scalable backend architectures and making core product and architectural decisions. Familiarity with TypeScript, React, Node, and Python. Experience with scalable async processing or real-time processing systems. Experience building products for AI-first or communications-enabled platforms. Ability to own projects end-to-end from concept to production and post-release support. Strong collaboration skills — comfortable translating customer problems into product experiences alongside cross-functional teams. A track record of developing a product from 0 to 1. Familiarity with Temporal.io, Twilio, or Modal is a plus. Compensation & Benefits Salary range: €75,000 – €160,000 EUR annually . Visa sponsorship is available. Location On-site in Berlin, Germany . Candidates must be willing to work in-person full-time.