Founding Product Engineer

ABOUT THE ROLE Join the engineering team at a seed-stage AI communications company as a Founding Product Engineer. You will own customer-focused product features from early discovery through production, helping businesses across Europe automate phone-based customer interactions. WHAT YOU'LL DO - Take features from initial hypothesis and prototype through architecture, implementation, and production release. - Develop and test product hypotheses through rapid experiments and lightweight prototypes. - Work regularly with customers, partners, and Sales to identify real user problems. - Build tracking and use relevant metrics to evaluate outcomes and guide product decisions. - Develop across the stack and make pragmatic technical choices that balance validation with future scalability. - Take ownership of initiatives and move them forward with limited oversight. WHAT WE'RE LOOKING FOR - At least three years of product engineering experience delivering software features end to end, ideally in a startup environment. - Full-stack experience with Node.js, TypeScript, NestJS, and React. - Experience owning software from architecture and implementation through production release. - German proficiency at B2 level or above and fluent English communication skills. - A strong product mindset, customer focus, and comfort using data to support decisions. - Experience integrating large language models or building AI-powered features is an advantage. COMPENSATION & BENEFITS Annual compensation is €80,000 to €120,000, with equity. Visa sponsorship is not available. LOCATION This is a remote-first role based in Germany, with working-hour overlap in CET.