Senior/Staff Fullstack Engineer (m/f/x)
Department: Engineering
Location: Berlin
Employment Type: FullTime
About us
We’re Cortea, a Berlin startup transforming audits with AI. Manual, document-heavy audits waste expert time while demand keeps rising. Our AI-powered software and specialized AI agents remove the repetitive work so auditors can focus on judgment.
Backed by top-tier VCs with >10m funding, with a working product and paying customers, we’re rapidly scaling.
We value first-principles thinking, speed, trust, and kindness. We build side by side in our Berlin office.
Your Role
As our Senior/Staff Fullstack Engineer, you’ll ship user-facing features end to end. You’ll focus on the frontend while comfortably building APIs and shaping database models. You’ll collaborate daily with product design and founders to turn complex audit flows into fast, elegant product experiences.
What you’ll do
Own features across the stack: UI → API → data model → tests → rollout
Work closely with design to turn ideas into high-quality interfaces
Raise code quality with reviews, tests, and pragmatic performance work
Help evolve our architecture, tooling, and developer experience
Qualifications
4+ years engineering experience
Strong product mindset and ownership
Frontend
React 18+: Proficiency with modern React, hooks and concurrent features
TypeScript: Strong typing skills, generic patterns, and complex type manipulations
Backend
APIs: Experience building production-level APIs
SQL: Experience modeling relational databases and implementing them
Bonus
PostgreSQL: Strong SQL skills, specifically with PostgreSQL. Understanding of multi-tenant architectures, indexing strategies, and migration management
No one checks every box. If you’re strong on the frontend and comfortable going down-stack, we want to talk.
What We Offer
High impact & growth: Front-row seat to scaling an AI startup with real ownership from day one
Mission-driven culture: First-principles thinking, bold ideas, and a supportive team
Attractive compensation: competitive salary + meaningful equity
Personal development: Learning budget for courses and conferences
True Berlin startup environment: Central Berlin office, team lunches, retreats, flexible vacation
Interview process
First Call — Intro to Cortea with our Founders Associate Leon
Second Call — Technical interview with Jendrik
Third Call — Deep dive into our culture with our Co-Founder Philipp
On-site Half-Day (Berlin) — Meet the team and work on a real problem together
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