Liam @liamwhitecircle
owning recruitment @whitecircle. Join the 🚀 whitecircle.com/careers Joined September 2026-
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@whitecircle 6. JD & Interview process: 👇 JD: whitecircle.com/careers/devrel… Process: 3-4 stages. No whiteboard puzzles. You either walk through one of our public repos or write a launch case study.
The hire I'm most excited about this quarter at @whitecircle - DevRel Lead. We've built a lot that engineers would love if they knew it existed. We need someone who can show them, through launches, talks and hackathons. If that's you, read on👇
@whitecircle 5. Why now: we're well-funded and scaling fast, and you'd join at the point where the work matters most. Our investors include top funds and technical leaders from OpenAI, Anthropic, Hugging Face, Mistral, DeepMind, Datadog and Sentry.
@whitecircle 4. Who we're looking for: → you have an engineer or researcher background → you've run events and know your numbers → engineers actually read what you post → you know the coding agents / evals / open models landscape
3. What you'd own in this role: → launches for open-source tools like our Halo framework, from the narrative and demos through to launch day → tutorials, deep dives and talks that don't dumb things down → hackathons and meetups in SF and NYC → partnerships with AI labs, dev tools companies and research teams
2. What we do: White Circle is the safety and reliability layer for AI systems. It starts with policies: simple rules for what a model should and shouldn't do. We test, enforce and improve them automatically, across 100M+ API calls a month.
halo is open source. everything we train runs on it.
Introducing Halo, the best framework for post-training of open-source models. Halo delivers up to 2.8x the throughput of stock TRL with less peak memory, while models stay in their native HuggingFace format. Star us on GitHub: github.com/whitecircle/ha…
we are planning to share something that we at @whitecircle have been cooking for quite some time
So AI is on track to wipe out the human race, but I’ve had to wait 13 years for GTA 6. We need better AI guardrails so the world can focus on what’s really important. That’s what we’re working on at @whitecircle. We’re hiring across engineering, research + more. Come join us
I resigned from Anthropic today. I spent the last three years doing pretraining research at both OpenAI and Anthropic. Neither company is acting responsibly. They are racing straight to self-improving superintelligence and gambling with our lives. More thoughts below.
It is officially a White Circle Summer ⚪ At least it is in Sweden! We're excited to announce our technical partnership with @Lovable to help make AI safer, more secure, and more reliable at scale. Read more below ↓
come join us at @whitecircle if you're interested in doing real independent AI safety research
I resigned from Anthropic today. I spent the last three years doing pretraining research at both OpenAI and Anthropic. Neither company is acting responsibly. They are racing straight to self-improving superintelligence and gambling with our lives. More thoughts below.
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