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Senior Backend Engineer — AI-Powered Microservices & LLMs

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Weekday AI
Full Time position
Listed on 2026-05-08
Job specializations:
  • Software Development
    Backend Developer, AI Engineer (Applied/Software), Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Weekday AI is seeking a Senior Backend Engineer to build and scale intelligent backend systems for AI-driven applications in London. You'll design robust APIs, create scalable microservices, and integrate advanced AI capabilities like Large Language Models. Collaborating with cross-functional teams, you'll focus on performance and reliability. Ideal candidates have 5–9 years of backend development experience in Python, familiarity with FastAPI, and a strong understanding of REST APIs and microservices architecture.
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Position Requirements
10+ Years work experience
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