White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what an AI model should and shouldn’t do. We automatically test, enforce, and continuously improve these policies at scale.

We’ve raised $11M from top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others
We process over one hundred million API calls every month
We fine-tune and train our own LLMs so they run faster and cheaper than any open or proprietary model

We’re a small, highly focused team. If you want to work deeply on hard problems, see your work ship to production quickly, and influence how AI safety is actually built – you’re the one we need.

What you'll do

Own White Circle's content strategy and editorial direction
Turn customer conversations into case studies, customer stories, and reference materials
Interview customers, partners, founders, and engineers to uncover insights worth sharing
Write and publish long-form content across Medium, Substack, LinkedIn, X, and our website
Develop technical and non-technical content explaining AI safety, evaluation, governance, and reliability
Create launch narratives for new products, features, and research initiatives
Work closely with GTM team to support sales conversations and market positioning
Help founders maintain a consistent public voice across LinkedIn, X, conferences, and other channels
Build repeatable processes for content creation, publication, and distribution
Experiment with new formats, channels, and ways of reaching technical audience

We're looking for someone who

Is an exceptional writer
Can take a complex technical topic and explain it clearly without oversimplifying it
Knows how to find interesting stories inside products, customers, and technology
Has strong editorial judgment
Can independently identify what is worth publishing and what isn't
Is comfortable interviewing executives, engineers, researchers, and customers
Has experience creating content for technical audiences
Can move comfortably between strategic thinking and hands-on writing
Is fluent in English

A big plus

You have an engineering, computer science, or technical background
You have built an audience through writing
You've worked at a developer tools, AI, cloud infrastructure, cybersecurity, or enterprise software company
You've written content that materially influenced product adoption, company positioning, or revenue generation

Why White Circle

Salary of $130,000 to $180,000 + equity
Paid time off in line with your local regulations, no matter where you work from
Work from Paris (hybrid) + relocation package
Best medical insurance in France
All the hardware, tools, and services you need
Covered subscriptions for AI agents and IDEs
Team off-sites twice a year: we’ve recently been to the Alps and to Saint-Tropez