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 through production, helping build an AI phone assistant for businesses across Europe. WHAT YOU'LL DO - Take features from initial hypotheses and prototypes through implementation, release, and iteration. - Work closely with customers, partners, and Sales to identify meaningful problems and validate potential solutions. - Design and implement product tracking, then use relevant metrics to guide decisions. - Build across the stack and make architecture choices that balance fast learning with long-term scalability. - Develop lightweight experiments and prototypes before committing to larger builds. - Drive initiatives forward with ownership and a pragmatic, customer-focused approach. WHAT WE'RE LOOKING FOR - At least three years of product engineering experience delivering features end to end. - Hands-on experience in a startup engineering 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 for team and product communication. - A strong product mindset, comfort using metrics, and a focus on customer value. - Experience integrating large language models or building AI-powered features is an advantage. COMPENSATION & BENEFITS Compensation is €80,000 to €120,000 annually, plus equity. Visa sponsorship is not available. LOCATION Remote, with Germany as the primary location. Candidates should be able to overlap with Central European Time.