Senior Founding Product Engineer

About the Role Join a fast growing AI powered B2B SaaS startup as a founding product engineer, collaborating with a small team to ship end to end features for a German focused AI phone assistant used across Europe. You will own initiatives from idea to production and help scale the product and its adoption. What You'll Do • Own features end to end from hypothesis to production for products used by thousands of companies in Europe. • Lead product discovery by testing hypotheses through rapid experiments. • Maintain close contact with customers, partners, and Sales to surface real pain points. • Design and implement tracking to enable data driven decisions. • Build software across the stack and drive architecture choices through release. • Prioritize pragmatic solutions balancing immediate validation with long term scalability. • Run experiments and lightweight prototypes before large scale commitments. • Take ownership and move initiatives forward without waiting for sign offs. What We're Looking For • 3+ years of product engineering experience delivering features end to end. • Full stack experience with Node.js, TypeScript, NestJS, and React. • Experience integrating or working with large language models is a strong plus. • German language proficiency at B2 level or above, with English for team and product communication. • Hands on experience owning software architecture through production release. • Comfort in a startup environment and a pragmatic, data driven mindset. • Experience extracting and owning relevant metrics to iterate based on data. Compensation & Benefits Salary range €80K-€120K annually. Equity available in a high growth environment. Visa sponsorship: not provided. Location Work arrangement: remote first, with CET overlap; optional office access in Vienna. Primary location: Germany. Originally posted on Himalayas