Fullstack Engineer

Fullstack Engineer (SF, hybrid/on-site) | Trust & Payments Infra | Series A / Tier 1 VC Backing A Series A San Fran startup backed by Tier-1 investors is building the identity and transaction layer for the agentic internet , the infrastructure that lets AI agents authenticate, pay, and operate autonomously at scale. They're hiring a Fullstack Engineer (hybrid/on-site) to own the developer-facing side of the product : real-time dashboards, terminal interfaces, and the API layer that gives engineers and operators live visibility into how agents interact with the world. What you'll be building: A high-performance web dashboard for managing AI agent identities and payments A CLI/TUI for developers to interact with agent infrastructure directly from the terminal APIs and frontend components handling real-time data streams from blockchain and backend services Custom integration layers for early design partners What they're looking for: 3+ years in fullstack development at an infrastructure or developer-tooling startup Strong React and TypeScript: primary emphasis on frontend/UX CLI or TUI experience (Bubble Tea, Charm, or similar) Backend proficiency, ideally in Go, Rust, or Node.js Product mindset Startup experience, preferably recent or current at an AI firm MIT/Berkeley education a big plus $160K–$210K DOE base + equity + tokens If this sounds like your kind of build and you have the relevant experience, please apply below! *H1B sponsorship not available Show more Show less