Senior Machine Learning Scientist

Harnham - Data and Analytics Recruitment
London, United Kingdom
Today
£80,000 – £95,000 pa

Salary

£80,000 – £95,000 pa

Seniority
Senior
Posted
10 Aug 2026 (Today)

Senior Machine Learning Scientist

London (Remote)

The Company

They are an innovative technology business leveraging advanced machine learning, natural language processing, and Generative AI to help organisations extract meaningful insights from large volumes of unstructured data. Their environment combines research, experimentation, and product development, giving technical teams the opportunity to work on real-world AI challenges while delivering measurable business impact.

The Role

  • Train, evaluate and optimise machine learning models and agentic AI systems, owning experimentation from end to end.
  • Build and enhance LLM-powered solutions including retrieval pipelines, reranking systems, intelligent agents and automated taxonomy generation.
  • Design robust evaluation frameworks, define metrics and benchmark model performance across a range of NLP applications.
  • Improve semantic search and retrieval capabilities using advanced machine learning and information retrieval techniques.
  • Partner with engineering teams to deploy and monitor production-ready machine learning solutions.
  • Collaborate with product and business stakeholders to deliver impactful AI solutions while mentoring colleagues and promoting technical best practice.

Your Skills & Experience

  • Strong commercial experience with transformer architectures and modern NLP techniques.
  • Advanced Python and PyTorch skills, including custom model training and optimisation.
  • Experience fine-tuning, evaluating and deploying large language models.
  • Experience working with large-scale text datasets and real-world machine learning problems.
  • Solid grounding in statistics and classical machine learning.
  • Hands-on experience developing Generative AI and agentic AI solutions.
  • Excellent communication skills with the ability to engage technical and non-technical stakeholders.

What They Offer

  • Competitive salary and benefits package.
  • Hybrid working model.
  • Opportunity to work on cutting-edge AI and machine learning products.
  • Strong career progression within a growing Data Science and AI function.
  • Collaborative, research-driven culture with exposure to the latest advancements in machine learning.

How to Apply

To find out more about this Senior Machine Learning Scientist opportunity, please submit your application today.

Related Jobs

View all jobs
Spotlight

Senior AI Engineer

Bodyswaps London, United Kingdom
Hybrid
Spotlight

Data Engineer - Level 5 Coach - Fully Remote

Corndel London, United Kingdom
Remote

Senior Machine Learning Scientist

Aioi Nissay Dowa Europe Oxford, Oxfordshire, United Kingdom
£81,322 – £112,488 pa Hybrid

Senior Machine Learning Scientist

Relation Therapeutics London, United Kingdom
Permanent

Senior/Principal Machine Learning Scientist (Generative Modelling)

Relation Therapeutics London, United Kingdom
On-site

Senior Machine Learning Engineer (E3)

Ocado United Kingdom
Hybrid

Senior Machine Learning Engineer

Faculty AI London, United Kingdom
Hybrid Clearance Required

Senior Machine Learning Engineer

PhysicsX England
US$200,000 – US$250,000 pa On-site Clearance Required

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

What Is an AI Forward Deployed Engineer? The Fastest-Growing Job in AI for 2026

If you have been watching AI job boards over the past year, one title keeps surfacing again and again: the forward deployed engineer, or FDE. It has gone from a niche term known mainly to Palantir alumni to arguably the hottest role in the entire AI hiring market. Job postings for forward deployed engineers have exploded, salaries have climbed past levels most software engineers will ever see, and the biggest names in AI — OpenAI, Anthropic, Google, Salesforce, Databricks and Palantir — are all competing for the same small pool of talent. So what exactly is an AI forward deployed engineer, why has demand surged so dramatically, and how do you position yourself to land one of these roles? This guide breaks it all down for AI engineers, software engineers and data scientists looking at their next move.