Founding Engineer

About The Company Company

The last agent your company will ever need.

Tech description:

Systems we’re building: custom agent harness, durable actor runtime, agent memory, real-time sync, sandboxes.

Stack: TypeScript and Effect-TS on Bun. Postgres + Drizzle, ClickHouse, Electric SQL, e2b. React across web (Vite + TanStack Router, Next.js), desktop (Tauri), and mobile (Expo), with shadcn and tailwind. Infra AWS + Pulumi.

Co builds Co: PR reviews, security scans, CI babysitting, and codegen all run as agents. Co has access to its own codebase and ships changes to itself and obviously every other part of the company.

Job description:

You’ll build the agent + the systems powering it: the harness, agent memory, actors, integrations and automations, permissions, sandboxes, and infrastructure.\
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**You should have**

* Built production ready distributed backend systems.
* Strong TypeScript. Effect-TS experience is a plus; willingness to learn it is required.
* Care about strict typing and clean abstractions.
* Shipped end-to-end before
* Passion for AI

**Bonus**

* Experience with agents, runtimes, or AI infrastructure.
* You’ve written your own harness or framework for something nontrivial.

**Benefits**

* Health, dental, and vision (100% covered for you)
* Flexible PTO
* Equipment of your choice and any AI you want to use/try
* Visa sponsorship if you need it
* Whipping the Clankers