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ML / AI Jobs in United Kingdom

There are 648 open ML / AI jobs in United Kingdom on freehire right now. 182 of them were posted recently. The skills employers ask for most often are machine-learning, ai and python.

Salary

CurrencyPeriod25thMedian75thPostings
GBPyear£100,375£129,750£155,00026

From postings that disclose pay. Currencies are counted separately, never converted.

Most requested skills

  • machine-learning 92%
  • ai 83%
  • python 67%
  • pytorch 44%
  • cloud 43%
  • llm 36%
  • aws 31%
  • tensorflow 28%

How the work is done

  • Hybrid 206 · 32%
  • Remote 114 · 18%
  • Onsite 22 · 3%

Visa sponsorship offered in 66% of the 82 postings that state a position on it.

Seniority

  • Senior 190
  • Lead 68
  • Principal 34
  • Staff 32
  • Intern 23
  • C-level 16

Who is hiring

  • 1000+ employees 45
  • 501-1000 employees 41
  • 51-200 employees 10
  • 201-500 employees 4
  • 11-50 employees 2
648 jobs
Sanderson Government and Defence
20 hours ago

Senior Machine Learning Engineer - SC (DV Clearable) - Perm

New UKSenior
United Kingdom
Tyndalls Park, Bristol

Salary: £95,000 - 95,000 per year Requirements: Degree in Computer Science, Applied Mathematics, Statistics, Physics, or a related STEM field, or equivalent practical experience. Strong engineering skills, including…

CI/CD Docker Linux MLOps Python +1 skills
95K – 95K £
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Harnham - Data & Analytics Recruitment
yesterday

ML Engineer

New HybridUK
United Kingdom
London

ML Engineer £600 to £650 per day London Inside IR35 Hybrid, 2 days per week in the office This is an opportunity for an ML Engineer to work on high-scale, real-time machine learning systems, with a strong focus on…

LLM LLMOps Machine Learning MLflow MLOps +4 skills
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Snap
yesterday

Lead Machine Learning Engineer, Generative AI (Image & Video)

New UKFull-timeLead
United Kingdom
London

Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves,…

A/B Testing AI API Computer Vision C++ +9 skills
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takeaway
yesterday

Senior Machine Learning Engineer

New HybridUKFull-timeSenior
United Kingdom
Fleet Place Office

Position: Senior Machine Learning Engineer - Logistics Department: Logistics Reporting to: Data Science Manager Location: Amsterdam, London, UK, Berlin Hybrid role: 3 days a week from our office & 2 days working from…

Airflow AWS Cloud Containerization Dagster +11 skills
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snapchat
yesterday

Lead Machine Learning Engineer, Generative AI (Image & Video)

New UKFull-timeLead
United Kingdom
London

Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves,…

A/B Testing AI API Computer Vision C++ +9 skills
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Finastra
yesterday

Director, AI & Machine Learning

New HybridUKFull-time
United Kingdom
London

Who are we? At Finastra, we’re a global leader in financial services software, dedicated to expanding access to financial services and shaping what’s next for the industry. Our technology powers mission‑critical…

Agentic AI AI Cloud Data Science Fintech +9 skills
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TripAdvisor
28 views yesterday

Senior Director of Machine Learning (Experiences)

Open 98d HybridEurope, UKFull-timeSenior 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
London, Oxford, Krakow

Leads a machine learning organization at a global travel platform, defining AI strategy for personalization, recommendations, and generative AI while scaling a team across London, Oxford, and Krakow.

A/B Testing Agentic AI Agile AI Analytics +10 skills
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Flagship Pioneering
28 views 2 days ago

Senior Machine Learning Scientist

Open 28d HybridUKSenior 8 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United Kingdom
Cambridge

At Quotient Therapeutics (a Flagship Pioneering company) in Cambridge, UK, this hands-on ML scientist role builds variant-effect models (protein language models, structure-based methods) and agentic AI workflows that turn somatic mutation data into evidence for drug-target discovery. Core stack is Python with PyTorch/JAX; hybrid with 3+ days per week in office.

Agentic AI AI Bioinformatics Causal Inference Ccpa +8 skills
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Quotient Therapeutics
34 views 2 days ago

Senior Machine Learning Scientist

New HybridUKSenior 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom
Cambridge

(Senior) Scientist, Machine Learning About Quotient Therapeutics Quotient Therapeutics is a Flagship Pioneering company that uses somatic genomics to discover drug targets. We use high-accuracy sequencing to find rare…

Agentic AI AI Bioinformatics Causal Inference Deep Learning +6 skills
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Jane Street
2 days ago

Machine Learning Compiler Engineer

New UKFull-time 3 questions
United Kingdom
London, England

Compiler engineer on Jane Street's new ML Compilers team in London, building and optimizing the ML compiler stack that turns trading research ideas into high-throughput training and low-latency inference. Work spans ML frameworks (PyTorch/JAX), graph compilers (XLA/TVM/Inductor), and GPU kernels in Triton/CUDA.

Agentic AI API CUDA GDB GPU +5 skills
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SensFish
2 days ago

Software Engineer – AI, Machine Learning & Geospatial Intelligence

New UK
United Kingdom
Glasgow

Software engineer at SensFish, a Scottish deep-tech startup building a marine intelligence platform that fuses satellite Earth Observation, oceanographic data and AI. Day to day: integrating diverse geospatial/environmental datasets and turning scientific models into ML and predictive-analytics workflows shipped as scalable software for fisheries, aquaculture and offshore energy.

AI Analytics Machine Learning Predictive Analytics
40K – 45K £
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Jump Trading
29 views 2 days ago

Research Scientist/Research Engineer | Deep Learning

Open 140d North America, UKFull-time 3 questions
Chicago, New York, London

Research Scientist/Engineer applies deep learning to build predictive trading models and trading infrastructure for global financial markets using Python/C++ and advanced math.

C++ Deep Learning Machine Learning Python Statistics
200K – 350K $
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Prolific Academic Ltd
51 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Belfast, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Join Prolific's Expert Network as a paid participant helping train and evaluate LLMs: reviewing model architecture explanations, auditing ML code/notebooks, providing RLHF feedback, and benchmarking model outputs. Requires strong Python and PyTorch/TensorFlow skills plus LLM experience; pays up to $80/hour, remote (Belfast, UK).

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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Prolific Academic Ltd
51 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Brighton, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Join Prolific's Expert Network as a paid AI/ML expert who trains and evaluates LLMs: reviewing model architecture explanations, auditing ML code and notebooks, providing RLHF feedback, and benchmarking model reasoning. Work is remote with flexible hours using PyTorch/TensorFlow, Python, and Hugging Face tooling, paying up to $80/hour.

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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Prolific Academic Ltd
51 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Cambridge, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Paid participant role on Prolific's Expert Network: senior AI/ML engineers train and evaluate LLMs by auditing model logic and ML code, giving RLHF feedback, analyzing reasoning, and benchmarking outputs, earning up to $80/hour on flexible remote tasks. Core stack: Python, PyTorch/TensorFlow, Hugging Face, and MLOps/RAG tooling.

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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Prolific Academic Ltd
50 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Canterbury, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

AI/ML engineers join Prolific's Expert Network as paid participants to train and evaluate LLMs — auditing model reasoning and code, refining RLHF feedback, and benchmarking outputs — working remotely from the UK at rates up to $80/hour. Core stack includes Python, PyTorch/TensorFlow, Hugging Face, and cloud MLOps tools.

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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Prolific Academic Ltd
48 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Colchester, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Join Prolific's Expert Network as a paid AI/ML participant who trains and evaluates LLMs: auditing AI-generated code and model explanations, providing RLHF feedback, analyzing model reasoning, and benchmarking outputs. Requires deep Python and PyTorch/TensorFlow skills plus LLM workflow experience (prompting, RLHF, RAG).

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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Prolific Academic Ltd
50 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Coventry, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Join Prolific's Expert Network as a paid participant who trains and evaluates LLMs: auditing AI-generated code and reasoning, refining RLHF feedback, and benchmarking model outputs remotely. Requires strong ML expertise (PyTorch/TensorFlow, Python, LLM workflows); pays up to $80 per hour.

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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Prolific Academic Ltd
65 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Germany

Open 62d RemoteEurope, North America, UKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.

AI & Machine Learning Engineer - AI Training About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers,…

AI AWS Cloud Deep Learning Fine Tuning +25 skills
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Prolific Academic Ltd
51 views 2 days ago

AI Engineer/ML Engineer - Senior Developers - AI Training - Glasgow, UK

Open 62d RemoteUKSenior 1 question Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom

Remote role joining Prolific's Expert Network as a paid participant: AI/ML engineers train and evaluate LLMs by auditing AI-generated explanations and ML code, providing RLHF feedback, and benchmarking model outputs. Core stack includes Python, PyTorch/TensorFlow, Hugging Face, and RAG/RLHF tooling; pay up to $80/hour.

AI AWS Cloud Deep Learning Fine Tuning +25 skills
up to 80 $ / hr
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