Senior Fullstack Engineer

Description: Senior fullstack engineering role at a fast-growing European Voice AI startup. Build a platform that automates business phone calls for SMEs, owning features from concept to production. Requirements: 5+ years of fullstack engineering experience in SaaS products. Strong production experience with TypeScript, React, and Node.js; NestJS preferred. Substantial backend and frontend experience; frontend-only backgrounds not suitable. Native German proficiency and fluent English. Experience with product discovery and data-driven decision-making. Comfort with direct customer interaction for support and feedback. Pragmatic, high-ownership mindset with end-to-end responsibility. Experience integrating LLMs into applications and familiarity with GDPR/EU AI Act is a plus. Prior experience in high-velocity startup environments is a plus. Benefits: Salary range: 80,000 to 120,000 EUR annually. Fully remote position based in Germany; visa sponsorship not available.