Senior FastAPI Engineer at iFindTech

Department: Backend Developer

Language

Setup: Remote - Netherlands
Location: London, England · Berlin · +1
Type: Full-time
Level: senior
Posted: Sep 10, 2026

Description

The company is hiring a Senior FastAPI / Python Engineer to own the backend systems powering its AI products. Responsibilities include building APIs, data pipelines, and an orchestration layer connecting products with LLMs, with work spanning retrieval, tool-calling, response streaming, and long-running background jobs. The role requires strong backend, Python, FastAPI, PostgreSQL, Redis, distributed systems, and production reliability experience, along with ownership of architecture and technical decisions.

Required Skills

FastAPI
Python
PostgreSQL
Redis
Distributed systems
LLM applications
RAG systems
Vector search
Tool-calling
Streaming technologies

Additional Information

Required Previous Experiences: 7+ years building backend systems in production
6+ years of Python experience
3+ years of FastAPI experience
2+ years of Redis experience
Experience designing and building production APIs
Experience with async and distributed systems and background processing
Preferred Qualifications: Experience building LLM-powered applications
RAG and retrieval systems
Vector search and 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 or storage platforms
Experience handling confidential data in production AI systems
Translation Company Name: iFindTech