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
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