Principal Engineer
cogneeGermany1 day ago
Full-timeOther
Track This Job
Add this job to your tracking list to:
- Monitor application status and updates
- Change status (Applied, Interview, Offer, etc.)
- Add personal notes and comments
- Set reminders for follow-ups
- Track your entire application journey
Save This Job
Add this job to your saved collection to:
- Access easily from your saved jobs dashboard
- Review job details later without searching again
- Compare with other saved opportunities
- Keep a collection of interesting positions
- Receive notifications about saved jobs before they expire
AI-Powered Job Summary
Get a concise overview of key job requirements, responsibilities, and qualifications in seconds.
Pro Tip: Use this feature to quickly decide if a job matches your skills before reading the full description.
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
What we're looking for
Benefits
Up to 150 000 EUR + Equity
Company sponsored meals
Trips to San Francisco
Fetch breaks with the office dog
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: contribution workflows, PR reviews, community support
- Cross-team leadership: shaping core platform contracts through the SDK
What we're looking for
- Principal-level ownership of a high-adoption SDK / developer platform / core library
- Deep Python skills (packaging, typing, testing, performance, clean APIs)
- Experience with production systems
- Strong taste for DX and high standards for stability and maintainability
- Bonus: open-source leadership, agent/memory/retrieval systems experience
- Hands-on experience with LLMs
Benefits
Up to 150 000 EUR + Equity
Company sponsored meals
Trips to San Francisco
Fetch breaks with the office dog
Key Skills
Ranked by relevanceReady to apply?
Join cognee and take your career to the next level!
Application takes less than 5 minutes