Founding Platform Engineer

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 (WebSockets, SSE) for live agent interactions
Own backend microservices in Python and Go
Design and optimize MongoDB schemas for multi-tenant, high-throughput workloads
Manage cloud infrastructure, deployments, and observability on AWS
Required Experience
Building scalable microservices in Python (FastAPI) and Go
WebSocket and SSE implementation; diagnosing socket-level issues
Pub/Sub patterns and event-driven architecture
Queue management, state persistence, re...