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.

Employment type
FullTime

Work arrangement
No