Principal Software Engineer

Principal Software EngineerBerlin HQ (Hybrid)€180–200k base + bonus Not all engineering challenges are created equal. This is not just another “principal engineer” role - it’s a chance to help architect the AI agent infrastructure that Fortune 2000 companies will run on for the next decade. Our client is building the AI Agent Management Platform: a scalable foundation enabling enterprises to safely deploy, orchestrate, and govern millions of AI-powered agents across phone, chat, and digital channels. Already adopted by global enterprises, this platform is evolving into the backbone of enterprise-grade AI. With €120m raised at a €1bn+ valuation and backed by top-tier investors (including Reid Hoffman, Databricks, Stripe, Datadog, and Celonis founders), the company is scaling fast and competing directly for the top 1% of global engineering talent. As Principal Engineer, you will:Set the technical direction for enterprise-scale AI systems, designing the architecture that supports global deployments.Balance speed with resilience, shipping value today while engineering for cost, scalability, and long-term sustainability.Stay hands-on, from writing core code in TypeScript/Python to leading design reviews and refactoring at scale.Act as a multiplier, mentoring Staff Engineers, shaping technical culture, and raising the bar across the org. This is an opportunity to define the blueprint for AI at enterprise scale, not just maintain one. Your Profile:9+ years building distributed, enterprise-scale systems with measurable, org-wide impact.Deep experience driving multi-team architecture and scaling platforms for global adoption.A track record of high-stakes decision-making that balances innovation with reliability.Tech-agnostic leadership: you can evaluate trade-offs, cut through complexity, and guide teams toward elegant solutions.Motivated by mission, not just mechanics: you want to help shape Europe’s most admired engineering organisation and a world-class AI platform. Why Join?Impact at scale: your work will directly power digital transformation for some of the world’s largest enterprises.Career-defining growth: rare opportunity to be part of a European AI company on its way to iconic status.Elite peers: join a team backed by the founders of LinkedIn, Stripe, Datadog, Personio, Celonis, and more.Top-of-market package: €180–200k base + bonus. This is a generational opportunity. If you’re ready to do the best work of your career while shaping the future of AI, we’d love to hear from you.