Software Engineer, AI & Data Systems

Job description

### About the Role We're a fast-growing, early-stage data infrastructure company building one of the world's largest living identity graphs — spanning billions of individuals — powered by autonomous AI agents operating across the open web. Our 8-person engineering team is looking for a **Software Engineer, AI & Data Systems** with 1–6 years of experience to build core platform capabilities and customer-facing products. This is a **high-ownership role**. You'll take ambiguous customer problems, choose sensible architectures, ship products, and own them end-to-end in production. You're expected to use modern AI tools aggressively while maintaining strong engineering judgment and accountability. ### What You'll Do - Build and ship customer-facing products and core platform capabilities across backend, data, infrastructure, and frontend surfaces - Design and operate high-volume data pipelines and services at massive scale with strong reliability, security, and observability - Build AI agents, agent harnesses, and developer tools — then operate them reliably at very large scale - Make architecture decisions, articulate tradeoffs clearly, and iterate designs as assumptions evolve - Work directly with founders and customers to translate vague requirements into clear product decisions and working software ### What We're Looking For **Must-haves:** - End-to-end ownership of a production system — from concept through deployment and ongoing operations - Strong backend engineering skills: APIs, data models, and distributed systems - Based in or willing to relocate to San Francisco for a full-time, in-office role - Experience at a talent-dense early-stage startup (seed through Series A/B) shipping across both product and infrastructure - Hands-on experience building and operating high-volume data pipelines - CS degree from a top-tier university **Nice to have:** - Experience building AI agents, data pipelines, or identity/entity matching systems at scale - Familiarity with AI-native development: LLMs, agent frameworks, and related tooling - Available to start by mid-September 2026 for our residency program **Tech stack includes:** Python, distributed systems, data pipelines, LLMs, AI agent frameworks, REST APIs, cloud infrastructure. _Note: Visa sponsorship is not available for this role._ ### Compensation & Benefits - **Salary:** $200,000 – $280,000 USD annually, depending on experience - Early-stage equity ### Location This is a **full-time, on-site role** based in **San Francisco, CA**. Candidates must be based in or willing to relocate to San Francisco.