Founding AI Engineer

### About the Role Join the core team of an early-stage consumer social startup redefining how young people make friends in real life. The company runs AI-powered small group hangouts every week, matching people into compatible groups and handling everything end-to-end — onboarding, profiling, matching, logistics, reminders, and follow-ups — through a suite of AI agents. Thousands of users connect every month, and the platform is rapidly expanding across university campuses across the US. As a Founding AI Engineer, you will be one of the earliest technical hires, shaping the architecture and direction of the AI systems that power the entire product. ### What You'll Do **AI Matching & Social Graphs** - Build a novel social graph grounded in real-world interaction data, processing millions of data points - Design and improve matching systems that group users into highly compatible cohorts - Develop collaborative filtering, graph embeddings, and ranking systems - Apply reinforcement learning from real-world outcomes to continuously improve personalization - Discover patterns and signals that lead to meaningful, lasting friendships **Communication Workflows & AI Agent Orchestration** - Design and build agent experiences across channels where users already are (Instagram, iMessage, WhatsApp, TikTok) - Orchestrate a multi-agent system handling the full user lifecycle from onboarding to follow-up - Integrate third-party APIs and messaging services into reliable, scalable workflows - Contribute to human-AI interaction design to make agent experiences feel natural and effortless ### What We're Looking For - **Required:** Hands-on experience building AI/ML systems in production (0–4+ years), ideally in recommender systems, matching, or social graph domains - Experience processing and modeling at scale (millions of data points) - Proficiency in collaborative filtering, graph embeddings, and ranking systems - Experience with reinforcement learning applied to real-world personalization - Familiarity with multi-channel messaging APIs and AI agent frameworks - Ability to design scalable infrastructure supporting complex AI workloads - Strong cross-functional communication skills; comfortable working alongside product, design, and data science - Founding mindset: you ship fast, own problems end-to-end, and thrive in ambiguity **Note:** Candidates must be eligible to work in the United States without visa sponsorship. ### Compensation & Benefits - Salary: $150,000 – $200,000 USD annually - Significant founding equity - Opportunity to shape the technical direction of a fast-growing consumer AI company ### Location This is a full-time, on-site role based in **San Francisco, California**. The team works in-person together.