Python Developer

  • LGBT Great
  • 16/06/2026
Full time Information Technology Telecommunications

Job Description

Python Engineer

(AI / LLM Focus)

London (Hybrid) Fintech Scale-Up

We're partnering with a fast-growing fintech company in London that's redefining how financial data is leveraged through cutting-edge AI. They're now looking for a Python Engineer with strong experience in AI and Large Language Models (LLMs) to help build intelligent, scalable products used by thousands of customers.

This is a high-impact role where you'll work closely with product, data, and engineering teams to bring AI-driven features into production.

What you'll be doing:
  • Designing and building scalable backend systems using Python
  • Developing and integrating LLM-powered features into core products
  • Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face)
  • Collaborating with data scientists to productionise models
  • Improving system performance, reliability, and scalability
  • Contributing to architectural decisions in a growing engineering team
What they're looking for:
  • Strong experience with Python in a production environment
  • Hands on experience with LLMs or applied AI (prompt engineering, fine tuning, RAG, etc.)
  • Experience building APIs and backend services
  • Solid understanding of cloud platforms
  • Ability to work in a fast paced, product driven environment
Why join?
  • Work on genuinely impactful AI products in fintech
  • Strong engineering culture with a focus on innovation
  • Backed by top tier investors
  • Competitive salary + meaningful equity
  • Flexible hybrid working in London