Founding Product Engineer

About the Role Join the engineering team at a seed-stage AI communications SaaS company as a Founding Product Engineer. You will own product features from discovery and prototyping through production, helping build AI-powered tools that improve customer communications for businesses across Europe. What You'll Do • Own features end to end, from forming a hypothesis to implementation, release, and iteration. • Run rapid experiments and build lightweight prototypes to validate product ideas. • Speak regularly with customers, partners, and Sales to identify real needs and pain points. • Design tracking and use product metrics to guide decisions and improvements. • Build across the stack and make pragmatic architecture choices that balance fast learning with long-term scalability. • Take ownership of initiatives and move them forward independently. 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. • Experience integrating large language models or building AI-powered features is an advantage. • Comfort using data and metrics to make product decisions. Compensation & Benefits Annual base salary of €80,000 to €120,000, plus equity. Visa sponsorship is not available. Location Remote within Germany, with overlap in Central European Time.