iFindTech
Senior FastAPI Engineer
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We’re working with a fast-growing AI company looking for a Senior FastAPI / Python Engineer to take ownership of the backend powering its AI products. You’ll build the APIs, data pipelines and orchestration layer connecting the product with LLMs, working across retrieval, tool-calling, response streaming and long-running background jobs. This is far beyond traditional CRUD development — you’ll be solving complex problems around AI reliability, performance, scalability and confidential data, with genuine ownership over architecture and technical decisions.
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Must Haves
- 7+ years building backend systems in production
- 6+ years Python
- 3+ years FastAPI
- Strong PostgreSQL / SQL
- 2+ years Redis
- Strong experience designing and building production APIs
- Experience with async / distributed systems and background processing
- Strong understanding of reliability, scalability and production performance
- Comfortable taking end-to-end ownership of backend systems
- Experience using AI coding tools such as Claude Code, Cursor or Copilot
- Comfortable working in a fast-moving startup environment
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Nice to Haves
- Experience building LLM-powered applications
- RAG / retrieval systems
- Vector search / vector databases
- AI agents and tool-calling
- LangChain or LlamaIndex
- SSE, WebSockets or other streaming technologies
- Document ingestion and embedding pipelines
- Microsoft Graph
- Email integrations
- Experience integrating with external document/storage platforms
- Experience handling confidential data within production AI systems
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