--- title: 'DevRel Lead (Developer Relations) at White Circle' canonical: 'https://feeny.ai/job/devrel-lead-developer-relations-white-circle-global-wbzmpkvykeb1' type: 'job' last_seen: '2026-10-17' --- # DevRel Lead (Developer Relations) at White Circle - **Company:** White Circle - **Location:** Global - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-09-30 - **Last confirmed live:** 2026-10-17 - **Apply:** https://jobs.ashbyhq.com/whitecircle/1a5253d6-1ef1-4db8-9eb6-008be4d03bff ## Job description TL;DR: We're hiring a DevRel Lead to make White Circle the AI safety platform engineers and researchers actually want to build with. You'll own how we show up to technical audiences: shipping technical content, running hackathons and meetups, launching open-source tools like Halo, and building partnerships across the AI ecosystem. ## About White Circle [White Circle](https://whitecircle.ai/) 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 recently raised our Series A funding round, taking our total funding to $70M. Our investors include 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 developer relations: how engineers and AI researchers discover, understand, and adopt what we build - Lead technical launches for open-source releases and developer tools, like our Halo framework, from narrative and demos through to launch day - Write and publish technical content: blog posts, tutorials, walkthroughs, demos, and threads on X and LinkedIn - Organise and run hackathons, meetups, and technical events, mainly in SF and New York - Build and grow a technical community around our open-source work and platform - Set up and run technical partnerships and collaborations with AI labs, dev tools companies, and research teams - Give technical input to promo and product videos, working with our design and creative team on production - Track what's working (signups, repo stars, views, event turnout, hiring pipeline) and double down on it We're looking for someone who - Has a strong technical background as a software engineer, ML engineer, or researcher - Has worked at a technical product company, ideally in dev tools, infrastructure, databases, or AI - Has organised hackathons, meetups, or technical events, and can show how they went (turnout, signups, what came out of them) - Has an engaged following among engineers and/or AI researchers on X, LinkedIn, GitHub, or elsewhere - Knows the AI tooling landscape well: coding agents, eval frameworks, open-source models, and who is building what - Can take a complex technical topic and make it compelling for a developer audience without dumbing it down - Thrives with ownership and moves fast without waiting for direction - Is based in the US, or able to work US hours. SF or New York is ideal, but we'll consider exceptional candidates anywhere - Is fluent in English A big plus - You've led developer marketing or DevRel for a technical launch that drove real adoption - You've contributed to or maintained popular open-source projects - You have existing relationships across the AI research and developer community - You've worked on or around AI safety, evals, or reliability ## Compensation & benefits - Competitive compensation package, including equity - Flexible time off - Health insurance - Mental health support, including coverage for therapy when you need it - 401(k) retirement plan - Learning and development support for courses, conferences, and opportunities to grow your skills - All the hardware, subscriptions, tools, and services you need - Team off-sites twice a year: we’ve recently been to the Alps, Saint-Tropez, and Marbella Process - Intro call with Talent (25 min) - Take-home assignment, with a choice of a walkthrough of one of our public repos or a launch case study on a sample company - Technical chat with Head of Design & Head of Applied Research (45 min) - Final conversation with CEO & Head of Engineering (45 min) ## About White Circle ## Company Overview - **One-liner**: White Circle is a control layer for AI in production, providing safety, security, evals, and performance optimization through a unified API. - **Entity Type**: Private (Seed stage) - **Headquarters**: Dover, Delaware, United States (operational hub in Paris, France) - **Founded**: 2025 - **Founders**: Denis Shilov (Founder & CEO) ## Core Business - **Primary industry**: AI Governance, AI Security, AI Observability - **Target customers**: B2B, Enterprise (companies deploying AI agents, chatbots, or LLM-powered applications) - **Mission or purpose**: To give organisations visibility into how their AI behaves, help them respond when things go wrong, and provide a unified system for improving reliability, safety and compliance. ## Products & Services - **White Circle Platform**: A single API that integrates three layers: - **Protect**: Custom low-latency guardrails for blocking unsafe inputs, preventing jailbreaks, detecting prompt injections, PII leakage, and sensitive data leaks. - **Observe**: Real-time analytics including topic classification, user behavior clustering, custom metrics, error rate analysis, sentiment analysis, and risk scoring. - **Improve**: Model routing, dynamic prompt engineering, context enrichment, and automated optimization based on labelled user feedback. - **CircleGuardBench**: A proprietary benchmark for evaluating AI moderation models across harm detection, jailbreak resistance, false positives, and latency. - **KillBench**: A benchmark of hidden LLM biases in critical decisions (life-and-death scenarios). ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: $11M raised in seed funding (announced May 2026) - **Notable Investors/Partners**: Backed by prominent AI and technology leaders including Romain Huet (ex-Head of Product @DeepMind), Dirk Kingma (Anthropic), Guillaume Lample (Mistral), Thomas Wolf (Hugging Face), Olivier Pomel (Datadog), François Chollet (Keras), Mehdi Ghissassi (ex-DeepMind), Paige Bailey (DeepMind), and David Cramer (Sentry). - **Growth Signals**: - 21 employees (+283.3% YoY, +9.5% monthly growth) - Monthly website traffic: 32,090 visits (+682.7% yearly) - Active job postings: 6 (monthly job posting growth +20%) - SOC 2 Type II and HIPAA compliant - Operates in 7 countries (France, Russia, Netherlands, Serbia, Switzerland, Georgia, Spain) ## Competitive Advantages - **Proprietary self-adjusting models** optimized for low-latency and high performance - **Unified platform** that combines safety, security, evaluation, and performance optimization – no need for multiple point solutions - **Enterprise-grade compliance** (SOC 2 Type II & HIPAA) - **Strong network effects** from backing by leaders at OpenAI, Anthropic, DeepMind, Hugging Face, and Datadog - **Automated red-teaming** and continuous improvement through user feedback ## Strategic Focus - Accelerate product development and expand the team across the US, UK, and Europe - Grow global customer base across healthcare, finance, hiring, and security verticals - Continue building benchmarks (CircleGuardBench, KillBench) to shape AI safety standards - Maintain deep integration with the AI open-source ecosystem ## Why Work Here - **Culture**: “Smart, friendly, and fun” team with a strong engineering and research focus (43% technical staff) - **Location**: Based in Paris, France with a hybrid work model (office + remote) - **Benefits**: - Strong salary - 20 paid days off (plus ability to take more for recovery) - Free education (company covers learning costs) - Team offsites several times a year - **Open roles** (June 2026): QA Engineer, Product Engineer (Backend), DevOps Engineer, Product Designer, AI Engineer (Audio), Data Engineer - **Impact**: Build the future of AI safety at a well-funded, high-growth startup with world-class investors ## Sources 1. [whitecircle.ai](https://whitecircle.ai) 2. [whitecircle.ai/careers](https://whitecircle.ai/careers) 3. [LinkedIn – White Circle](https://www.linkedin.com/company/whitecircle) 4. [Tech.eu – White Circle lands $11M](https://tech.eu/2026/05/12/white-circle-lands-11m-to-help-companies-secure-ai-systems/) ## Other roles at White Circle - [Communications Designer](https://feeny.ai/job/communications-designer-white-circle-new-york-ey2w1jd32xf0) — New York, NY - [Production Manager](https://feeny.ai/job/production-manager-white-circle-new-york-ns09sg8xf428) — New York, NY - [Content Lead](https://feeny.ai/job/content-lead-white-circle-new-york-a57fyake800m) — New York, NY - [Talent Lead](https://feeny.ai/job/talent-lead-white-circle-san-francisco-4r6c7dgw1p84) — San Francisco, CA - [Finance Lead](https://feeny.ai/job/finance-lead-white-circle-new-york-s3jtsbzkwt7f) — New York, NY - [Brand & Visual Designer](https://feeny.ai/job/brand-visual-designer-white-circle-new-york-3v7jkx8gskhf) — New York, NY - [Founding Account Executive](https://feeny.ai/job/founding-account-executive-white-circle-new-york-rns9xb4d5gj6) — New York, NY - [Recruiter (Research)](https://feeny.ai/job/recruiter-research-white-circle-new-york-1vekq2rdfrvz) — New York, NY - [Senior Data Labeler](https://feeny.ai/job/senior-data-labeler-white-circle-paris-vtp78vea9yp4) — Paris, France - [AI Red Team Engineer](https://feeny.ai/job/ai-red-team-engineer-white-circle-global-j1xbb74qxv2e) — Global