Senior/Staff Fullstack Engineer (AI)

TL;DR

Senior/Staff Fullstack Engineer (React/TypeScript/AI): Developing user-facing features and AI-powered audit software with an accent on high-quality interfaces and scalable API design. Focus on transforming complex audit flows into elegant product experiences and evolving system architecture.

Location: On-site in Berlin

Company

AI startup transforming audits through AI-powered software and specialized agents to automate repetitive manual work.

What you will do

• Own end-to-end feature development across the stack: UI, API, data models, and tests.
• Collaborate closely with product design to translate ideas into high-quality interfaces.
• Improve overall code quality through peer reviews, comprehensive testing, and performance optimization.
• Contribute to the evolution of system architecture, tooling, and the developer experience.

Requirements

• Proficiency with modern React (18+), including hooks and concurrent features.
• Strong TypeScript skills, including generic patterns and complex type manipulations.
• Ability to build APIs and shape database models comfortably.
• Must be based in Berlin or able to work on-site in the Berlin office.

Nice to have

• Strong SQL skills, specifically with PostgreSQL.
• Experience with multi-tenant architectures, indexing strategies, and migration management.

Culture & Benefits

• Competitive salary and meaningful equity.
• High-impact role with real ownership in a VC-backed AI startup.
• Learning budget for professional courses and conferences.
• Berlin-based startup environment with team lunches and retreats.
• Flexible vacation policy.

Hiring process

• Introductory call with the Founders Associate.
• Technical interview.
• Culture deep dive with the Co-Founder.
• On-site half-day in Berlin to work on a real problem with the team.