Software Engineer

About the Role Join a small, fast-moving engineering team at a seed-stage AI voice platform company building the infrastructure that powers thousands of automated customer conversations every day. This is a high-impact, end-to-end ownership role — you'll work directly alongside customers, shape core architecture decisions, and ship meaningful product experiences in an AI-first, communications-enabled environment. You'll be part of a driven, low-ego team working on-site in Berlin. What You'll Do Work closely with customers to deeply understand their problems and design product experiences that solve real challenges. Build scalable backend infrastructure capable of handling thousands of AI-driven phone calls per day. Create intuitive, AI-first user experiences that set a new standard for human–machine interaction. Own high-stakes projects end-to-end — from initial concept through production deployment and post-release support. Contribute to core architectural decisions that shape the platform's future. What We're Looking For Required 2+ years of professional software engineering experience. Strong PostgreSQL experience, including complex queries, performance tuning, and optimization. Proven experience designing scalable backend architectures and making core product and architectural decisions. Experience with scalable async processing or real-time processing systems. Hands-on experience building products for AI-first or communications-enabled platforms. Demonstrated ability to take a product from 0 to 1 and own it through production. Strong cross-functional collaboration skills — able to translate customer problems into product solutions. Familiarity with TypeScript, React, Node.js, and Python . Willingness to work on-site in Berlin, Germany . Nice to Have Familiarity with Temporal.io, Twilio, or Modal . Experience with voice infrastructure or telephony systems. Background at a startup or high-growth technology company. Compensation & Benefits Salary: €75,000 – €160,000 per year, depending on experience. Visa sponsorship is available. Location This role is on-site in Berlin, Germany . Candidates must be willing and able to work from the Berlin office. Remote work is not available for this position. Find Jobs in Germany on Arbeitnow