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Senior Fullstack Engineer

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Summary

Senior Fullstack Engineer at a European B2B voice AI communications company, owning customer-facing SaaS features end to end — from discovery and prototyping through production — using TypeScript, NestJS, Node.js, and React, with direct customer engagement. Remote within Germany; requires native German.

About the Role

Join a growing European B2B AI communications company as a Senior Fullstack Engineer, building customer-facing voice AI software. You will own features from early discovery through deployment and help shape product priorities through direct customer insight.

What You'll Do

  • Build and evolve full-stack features using TypeScript, NestJS, Node.js, and React.

  • Take features from concept and prototyping through production deployment.

  • Engage with customers through support, feedback sessions, and user testing to understand their needs.

  • Break down opportunities into focused releases, gather feedback, and iterate quickly.

  • Contribute to feature prioritization and the voice AI product roadmap.

  • Ship software frequently while maintaining a strong focus on customer value.

What We're Looking For

  • At least 5 years of full-stack engineering experience delivering SaaS products and end-to-end web features.

  • Production experience with TypeScript, React, and Node.js; NestJS experience is preferred.

  • Experience owning customer-facing software from technical decisions through release.

  • Native German proficiency and fluent English.

  • Strong product judgment, including customer discovery, feature prioritization, and using feedback or metrics to guide decisions.

  • Comfort working in a fast-moving environment with frequent releases and direct customer interaction.

  • Experience with LLM integrations, early-stage startups, or European AI compliance considerations is a plus.

Compensation & Benefits

Base salary: €80,000 to €120,000 annually. Visa sponsorship is not available.

Location

Remote within Germany.

Skills

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See also

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