Founding platform engineer

About the Role
We're building a platform (architect.new) that lets anyone create, deploy, and manage autonomous AI agents with custom skills, tool integrations, and production-ready UIs. You'll work across backend, frontend, and infrastructure — reporting to the Product Architect.
What You'll Do
- Build and maintain the core agent orchestration engine, skill execution, and state management
- Develop the builder UI in Next.js for composing agents and workflows
- Implement real-time communication layers (Web Sockets, SSE) for live agent interactions
- Own backend microservices in Python and Go
- Design and optimize Mongo DB schemas for multi-tenant, high-throughput workloads
- Manage cloud infrastructure, deployments, and observability on AWS
Required Experience
Backend — Python & Go
- Building scalable microservices in Python (Fast API) and Go
- Web Socket and SSE implementation; diagnosing socket-level issues
- Mongo DB at scale — sharding, indexi...