AI Engineer – up to £140k | Python, LLMs, LangChain

Company: Oliver Bernard
Apply for the AI Engineer – up to £140k | Python, LLMs, LangChain
Location: London
Job Description:

Overview

AI Engineer – up to £140k | Python, LLMs, LangChain

Location: Central London (5 days onsite)

I’m working with a fast-growing, data-driven tech company whose platform is already used by more than 300 VC and private equity firms, and they’re now investing heavily in expanding their AI capabilities.

Responsibilities

  • Conversational AI and agent-based workflows
  • Tool use and function calling with LLMs
  • RAG systems and deep search across proprietary and external data
  • Evaluating and improving AI performance in production

Qualifications

  • Hands-on experience working with LLMs such as OpenAI or Anthropic
  • Familiarity with agent frameworks like LangChain
  • Solid SQL and data handling skills

Experience with production AI systems, vector databases, or TypeScript is a bonus!

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Posted: April 17th, 2026