Navige
Founding Engineer, Platform & Security
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Founding Engineer, Platform & Security
Full-time · London or Remote
Engineer #2 on the platform team. Every AI agent action Navige governs flows through a real-time interception pipeline you'll help build, harden, and scale — not a mockup, a system already running against real customer traffic.
About the role
Navige is a real-time checkpoint AI agents pass through before they touch anything real — a governance and audit layer between an agent and the tools it calls. You'd be the second engineer on the platform, working directly with the founder from day one.
This isn't a greenfield pitch. The core pipeline is live: a Fastify gateway intercepting Model Context Protocol tool calls and a generic real-time enforcement endpoint for anything else, a deterministic policy engine (no LLM in the decision path — every allow/deny/approve decision is reproducible, on purpose), an append-only audit ledger, and optional tamper-evident anchoring to Polygon. A Next.js dashboard, Salesforce/Agentforce integration, and self-serve billing are shipped and running against real customer data.
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What you'll work on
• The interception pipeline itself: policy evaluation, kill switches, blast-radius rate limiting, approval workflows — the parts that have to be correct, not just fast
• Extending real-time governance to more integration surfaces beyond MCP and Salesforce
• Real infrastructure work: Postgres schema and partitioning at scale, Redis-backed rate limiting, deployment and observability across Railway and Vercel
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• Direct ownership — the architecture decisions you make become the company's architecture, not a proposal that goes through review
What we're looking for
• Experience in production TypeScript/Node.js
• Comfortable owning a system end to end — API design, database schema, deployment, the incident when something breaks at 2am
• A distributed-systems or security background is a strong signal, not a requirement
• You care about correctness in systems that make real decisions with real consequences — this is a product where "probably right" isn't good enough
Current stack: TypeScript, Node 22, Fastify, Next.js, Postgres (Drizzle), Redis, pnpm workspaces, Railway, Vercel.
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