Senior/Staff Product Engineer (m/f/x)

About us
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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 \>15m 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
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We're looking for an experienced engineer who's happy anywhere in the stack and turns complex audit workflows into product auditors rely on every day. You pick up whatever a problem needs, from the data model to the interface to the agents behind it.

A lot of what we build has no reference implementation. You're comfortable wading into something nobody has solved yet and shipping a first version that actually works.

Our engineering team is a small, flat group of builders: strong ICs who open a laptop when they see a problem instead of scheduling a meeting. Everyone owns real product and architecture decisions, and that's exactly what we want more of.

What you'll do
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• Build the interfaces auditors work in, partnering with design to turn complex flows into something that feels effortless


• Build and improve the agents at the core of the product, plus the harnesses and eval pipelines around them


• Make the long\-running workflows behind the product reliable and debuggable, so failures surface fast instead of silently


• Use AI heavily in your own workflow to move faster, without ever shipping output you can't stand behind


• Drive the how in RFCs and technical discussions with other engineers, and partner with product on the what

You'll fit here if you:

• Have 5\+ years shipping production web applications across the stack


• Write production APIs and model the data behind them so it holds up under multi\-tenancy and load


• Are strong on the frontend and can build genuinely complex UI


• Get how LLM agents actually work: agents, harnesses, tool use, and measuring quality with evals


• Keep up with where AI is moving and bring the latest tools into how you work to make yourself faster


• Bring a strong product mindset and real ownership of outcomes


• Make architectural decisions, weigh trade\-offs, and build things other engineers can extend


• Are comfortable with ambiguity and work things out from fundamentals when there's no established answer

• Hands\-on experience building agents, harnesses, or eval pipelines


• Data\-dense or workflow\-heavy B2B products


• Scaling multi\-tenant systems as data and traffic grow


• Audit, finance, compliance, or another domain where being wrong is expensive


• Early\-stage startup or fast\-moving engineering environment

Our tech
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• React, TS, Tailwind, TanStack


• Python, Postgres, Temporal, Kafka, Redis


• GCP, Azure, k8s


• GitHub, Linear, Slack, Notion

• 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

• First Call — Intro to Cortea with our Founders Associate Liza


• Second Call — Technical interview with our Member of Technical Staff 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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