Machine Learning Engineer

Company: Radley James
Apply for the Machine Learning Engineer
Location: London
Job Description:

Machine Learning Engineer | AI Start-up | London | £90k-£150k + Equity

Location: London (On-site)

Salary: up to £150,000 + Equity

We’re partnering with a well-funded AI start-up that’s transforming a traditional industry through machine learning and automation. Backed by leading investors, the company is building an AI-native platform that automates complex workflows at scale and is looking for an experienced Machine Learning Engineer to help shape the next stage of its growth.

What you’ll be doing:

  • Build and deploy production-grade machine learning systems
  • Develop AI-powered workflows that solve complex real-world problems
  • Work closely with domain experts to translate business processes into intelligent automation
  • Improve model accuracy, scalability, and customer outcomes
  • Help shape the engineering culture as the team continues to grow
  • Collaborate directly with experienced founders in a fast-paced, high-impact environment

What we’re looking for:

  • Strong software engineering skills, ideally with Python
  • Commercial experience building and deploying machine learning models
  • Experience with modern AI technologies, including LLMs or GenAI, is highly desirable
  • Strong cloud experience (AWS, GCP or Azure)
  • Comfortable working in a fast-moving start-up environment
  • Passion for building products that deliver measurable business impact
  • Must have core ML fundamentals – evaluation and metrics in particular – alongside hands-on experience applying LLMs to real problems

What’s on offer:

  • Up to £150,000 base salary
  • Meaningful equity package
  • Office-based role in London
  • Opportunity to work directly with founders
  • Build AI products used in production from day one
  • Join a rapidly growing, venture-backed business with significant long-term potential

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Posted: September 1st, 2026