Data Scientist

Company: Coltech
Apply for the Data Scientist
Location: London
Job Description:

Data Scientist (Machine Learning & Generative AI) – Contract

London (Hybrid – 2 days onsite)

Long-term Contract (Inside IR35)

Check below to see if you have what is needed for this opportunity, and if so, make an application asap.

The Opportunity

We’re hiring multiple Data Scientists to join a major, enterprise-scale programme focused on machine learning and Generative AI innovation.

This is a long-term contract opportunity where you’ll work on real-world, production-grade AI solutions, including LLM-powered applications, NLP pipelines, and emerging agentic systems.

You’ll be operating in a highly data-driven environment, solving complex business problems and delivering impactful AI use cases at scale.

Key Responsibilities

  • Build, deploy, and optimise machine learning and NLP models in production
  • Develop end-to-end data science pipelines
  • Design and prototype Generative AI solutions (LLMs, embeddings, prompt engineering)
  • Work with BigQuery ML and cloud platforms for large-scale modelling
  • Translate business challenges into scalable data solutions
  • Collaborate with cross-functional teams across engineering and business
  • Mentor junior team members where required

Required Experience

  • 10+ years in Data Science, Machine Learning, or AI Engineering
  • Strong Python skills and experience with ML frameworks
  • Proven track record delivering end-to-end ML/NLP solutions
  • Hands-on xwzovoh experience with Generative AI (LLMs, embeddings, prompting)
  • Experience with cloud platforms (GCP, AWS, or Azure)
  • Exposure to BigQuery ML or similar platforms

Preferred Experience

  • Background in financial services or regulated environments
  • Experience with fraud, risk, or customer analytics
  • Exposure to LLM applications or agentic AI systems
  • Mentoring or leadership experience

Posted: March 21st, 2026