Full Stack Engineer

Role: Full Stack AI EngineerDuration: Fulltime/ContractLocation: Bay Area, CA (hybrid 4 days a week)Job Description:A full stack engineer who can work across our Python agent layer, Node.js backend, and Next.js frontend. Someone who has built LLM applications in production, not just prototypes.Must haveStrong Python — async, FastAPI or similarStrong TypeScript/NodeNext.js and React, including streaming UIExperience building LLM-backed apps with tool calling and multi-step agentsUnderstanding of RAG and retrieval qualityDocker, Kubernetes, AWS MongoDB, RedisNice to have:LangGraph or LangChainAWS Bedrock, or an LLM gateway like PortkeyElasticsearchOpenFGA or similar fine-grained authorizationExperience evaluating non-deterministic systemsExperience level:5+ years engineering. Senior IC. Comfortable owning a feature end to end and working without a fully specified spec.Our stack:Python + LangGraph for agent orchestration on EKS.Node.js backend. Next.js frontend. AWS Bedrock via Portkey.Elasticsearch for RAG.OpenFGA, Redis, MongoDB.