iFindTech

Own backend infrastructure building APIs and data pipelines connecting AI products with LLMs. | 7+ years backend experience, 6+ years Python, 3+ years FastAPI, proficiency in PostgreSQL, Redis, and scalable production systems. | 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. 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 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

Build end-to-end production AI features across full stack including API design and data integration. | 5+ years full-stack experience with React, TypeScript, Python/FastAPI, and strong API design and database skills. | We’re working with a fast-growing AI company looking for a Senior Fullstack Engineer to build production AI features end to end. You’ll work across React & TypeScript on the frontend and Python & FastAPI on the backend, taking features all the way from idea through to production. Expect to work on everything from APIs, data and LLM integrations through to streaming interfaces and document-heavy UIs. This is a hands-on role with real ownership, where you’ll help shape both the architecture and the product as the company scales. Must Haves 5+ years building and shipping fullstack applications React – 5+ years TypeScript – 3+ years Python / FastAPI – 3+ years Strong experience building and designing production APIs PostgreSQL Redis – 2+ years Experience building modern, high-quality user interfaces Comfortable owning features end to end – backend through to frontend Experience using AI coding tools such as Claude Code, Cursor or Copilot Comfortable working in a fast-moving startup environment Nice to Haves Experience building products involving LLMs, RAG or AI agents Next.js React Query Zustand Tailwind CSS shadcn/ui LangChain or LlamaIndex SSE / WebSockets and streaming applications Experience building document-heavy or real-time interfaces Genuine interest in AI engineering and agentic applications