Not hiring right now — open to contributors & collaborators
Join the Custos journey
We’re building developer-first alignment tooling—live monitoring, policy engines, and ethical workflows—for production AI. If the mission resonates, say hello.
Safety-First
SDKs & APIs
Live Simulator
Rapid Iteration
How we work
Impact with integrity
We ship verifiable guardrails, not vibes. Evidence over hype; outcomes over optics.
Remote, async-friendly
Distributed by default. Clear docs, crisp PRs, humane schedules.
Invent the rails
From policy engines to HRV-style telemetry—expect novel constraints and real users.
Ways to contribute
Contributor
- Tackle issues in the SDK
- Improve docs / examples
- Polish UX in the simulator
Research partner
- Alignment evals
- Policy engines
- Risk taxonomies
Design & DX
- Dev-first flows
- Storybook snippets
- CLI quality of life
Advisors & friends
- Security reviews
- Compliance feedback
- Red-teaming
Benefits & Perks (for formal roles)
🌍 Remote-first flexibility
📚 Learning & development stipends
🩺 Comprehensive health options
🧘 Wellness & mental health support
📈 Equity participation
🤝 Mentorship from global researchers
Our collaboration flow
Step 1
Say hello
Share your work, links, and what motivates you.
Step 2
Technical chat
Walk us through systems you’ve built—tradeoffs included.
Step 3
Trial project
Short, scoped contribution aligned with your interests.
Step 4
Keep building
Decide together on next steps or formal role later.
We keep the loop fast and respectful. Accessibility accommodations available.
Build safely with us
If the mission resonates, we want to hear from you.