Principal Engineer

Topoteretes UG (haftungsbeschränkt) · Berlin, Berlin, Germany

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Company
Topoteretes UG (haftungsbeschränkt)
Location
Berlin, Berlin, Germany
Employment type
Full-time
Posted
January 2, 2026

About this job

Cognee is building the memory engine + data plane for AI agents to plan, reason, and act. Our open-source Python SDK is in production at 70+ companies, hit GitHub Trending, and runs 550 000 times a month. We’ve won early customers (top 10 Pharma etc) and just raised a large Seed. We’re hiring a Principal Engineer to own the Cognee SDK as a product surface area — setting technical direction, raising engineering quality, and scaling adoption. You'll be coding in Python and Rust. What you’ll own SDK architecture, API design, and roadmap (Python now, future SDKs later) Release engineering: versioning, compatibility, CI/CD, testing, benchmarks Performance, reliability, observability, and production readiness Developer experience: docs, examples, reference implementations Open-source stewardship

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