Proliferate (YC S25) is hiring to building open source Codex

Manage a team of agents from your desktop About Proliferate Proliferate is building the operating system for modern engineering. We are building the company in person in SoMa, San Francisco. We care a lot about intensity, craft, and working with people who want to do the best work of their careers. We work hard, and we also take health seriously: company-expensed Whoop, meaningful health and wellness budget, and top-tier insurance. About the Founder I (Pablo) finished my master's in AI at 19 and joined Onyx (YC W24) as engineer #1, where I spent a year building enterprise AI search before starting Proliferate. You can see what I shipped there here. We’ll be working closely together. About the Role You’d be one of our first engineering hires and build the core product. This is a high-ownership role across product, systems, and user experience. Example work: Who We’re Looking For We have an extremely small, flat, talent-dense team. We value urgency, taste, truth-seeking, and people who care deeply about the quality and impact of their work. You might be a great fit if: Stack TypeScript, React, Next.js, Python, Postgres, Redis, AWS, Rust Comp & Benefits Top-of-market salary plus meaningful equity, full health/dental/vision, all meals covered, equipment budget, and a monthly health and wellness stipend. 1. Initial questions (3 minutes) 4 short questions through Work at a Startup. Emphasis on short! Should be around 3 sentences max per answer 2. Phone call with Pablo (15 minutes) A quick call to get to know each other 3. Technical round (30 minutes) We’ll talk through a technical problem together with a codebase open on your end 4. Work trial (1-3 days, $1-3K) Come to our office by Salesforce Park in SF and we'll try working together. If this isn't possible due to extenuating circumstances, we can make accommodations 5. References + Offer