Founding Product Engineer

About the Role Join the engineering team at a European AI communications company as a Founding Product Engineer. You will take end-to-end ownership of customer-focused product features, from discovery and prototyping through production, helping businesses automate phone-based interactions. What You'll Do Own features from initial hypotheses through implementation, release, and iteration. Develop and test product ideas through rapid experiments and lightweight prototypes. Stay in regular contact with customers, partners, and sales colleagues to identify real needs. Define and implement product tracking, then use relevant metrics to guide decisions. Build across the stack and lead architecture and implementation choices. Balance pragmatic validation with long-term scalability, taking ownership to move initiatives forward. What We're Looking For At least three years of product engineering experience delivering features end to end. Full-stack experience with Node.js, TypeScript, NestJS, and React. Experience owning software from architecture and implementation through production release. Hands-on experience in a startup environment and a strong customer-focused product mindset. German proficiency at B2 level or above, and fluent English for team and product communication. Comfort using metrics and experiments to inform product decisions. Experience integrating large language models or building AI-powered features is an advantage. Compensation & Benefits Compensation is €80,000 to €120,000 annually, with equity. Visa sponsorship is not available. Location Remote role based in Germany, with overlap during Central European Time working hours.