Senior Full Stack Engineer
Core
Build the shared AI platform (agent runtime, model gateway, retrieval, guardrails) powering AI features for 130,000+ businesses.
Role type
Senior Full Stack Engineer (AI Platform)
Builds
Agent runtime, retrieval engine, UI components, SDKs, and integrations for production AI agents.
Domain
AI Engineering / SaaS
Deliverable
production ML models
Required skills
Python (FastAPI, async), TypeScript, React, LLMs (RAG, tool calling, agent workflows), Vector databases (pgvector), PostgreSQL, AWS, Terraform, AI coding tools
Preferred skills
Multi-agent systems, MCP, LiteLLM, Amazon Bedrock, automated LLM evaluations, prompt-injection defenses, streaming UIs, SOC 2/PCI DSS experience
Technologies
FastAPI, Pydantic, React, pgvector, PostgreSQL, AWS, Terraform, Datadog, MCP, LiteLLM, Amazon Bedrock
Responsibilities
Build reliable agent workflows with multi-agent handoffs and human approval; improve document ingestion and retrieval; ensure tenant isolation and data security; build reusable UI components and SDKs; design trustworthy agent interfaces; track cost, latency, and quality; lead technical design and mentor engineers.
Seniority
Senior, hands-on IC with mentorship