Senior Fullstack Engineer
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Job description
About the Role
Join the product engineering team at a seed-stage B2B AI communications startup. You will own customer-facing features from discovery through deployment, helping shape a voice AI product through close customer collaboration and rapid iteration.
What You'll Do
Build and evolve the platform using TypeScript, NestJS, Node.js, and React.
Own features from ideas and prototypes through production release.
Speak with customers, gather feedback, and participate in support and user testing.
Break down opportunities into valuable, practical releases and iterate based on feedback.
Contribute to feature prioritization and product roadmap decisions.
Use product metrics and experiments to inform decisions and validate ideas.
What We're Looking For
At least 5 years of fullstack engineering experience delivering end-to-end features for SaaS products.
Production experience with TypeScript, React, and Node.js, with NestJS experience preferred.
Strong frontend and backend skills, including experience taking customer-facing applications from architecture through release.
Native German proficiency and fluent English.
A customer-focused, pragmatic approach to product discovery, prioritization, and rapid delivery.
Experience integrating LLMs into applications is helpful, as is familiarity with European privacy and AI regulations.
Compensation & Benefits
Annual salary range: €80,000 to €120,000. Visa sponsorship is not available.
Location
Remote, Germany.
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