Machine Learning Jobs in London

The UK's financial and tech hub, home to a thriving ecosystem of startups, scaleups, and established tech giants. A hotbed for machine learning talent and innovation.

Open roles
287
Salary range
£59k – £250k
Hiring companies
52

London is the epicentre of the UK's tech and financial sectors, making it a prime location for machine learning professionals. The city hosts a diverse range of companies, from cutting-edge startups to global tech giants, all of which are actively hiring machine learning experts. Whether you're working on natural language processing, computer vision, or reinforcement learning, London offers a dynamic environment with ample opportunities for growth and collaboration. Many roles are hybrid or fully remote, but the city's vibrant tech scene and networking events provide a rich on-site experience.

Salary on the board

£59k – £250k

Based on advertised midpoints across the 58 UK listings priced in pounds in the last 12 months. Base salary only.

Salary visibility
24% of listings advertise a salary.
By seniority
£k base
Mid
52
253
5 jobs
Senior
65
190
21 jobs
Lead
70
178
6 jobs
Live jobs

287 live roles

See all 287 roles →

Researcher, Recursive Self-Improvement Safety

This role involves conducting research and developing strategies to mitigate risks associated with advanced AI capabilities, particularly focusing on recursive self-improvement. Responsibilities include designing and implementing risk assessment, control measures, and safety protocols, as well as collaborating with other teams to ensure robust AI safety practices.

OpenAI London, United Kingdom
On-site Permanent

Software Engineer, Agent Infrastructure

This role involves building and scaling systems to train highly capable AI agents and deploying them to millions of users. You will work on optimizing large-scale compute clusters, developing APIs, and collaborating with research teams to push the boundaries of AI infrastructure.

OpenAI London, United Kingdom
Permanent

Member of Technical Staff, Pre-Training Data

This role involves developing and optimizing the data pipeline for Cohere's advanced language models. Responsibilities include conducting data ablations, experimenting with data mixtures, and collaborating with cross-functional teams to enhance model performance and efficiency.

Cohere London, United Kingdom
Remote Permanent

Senior Member of Technical Staff, Web Data

This role involves developing and maintaining large-scale web data pipelines for pre-training advanced language models. Responsibilities include processing web corpora, filtering and quality-scoring systems, and collaborating with cross-functional teams to enhance model performance.

Cohere London, United Kingdom
Remote Permanent

Staff Software Engineer, Infrastructure (Distributed Systems)

Lead and architect large-scale distributed systems that support AI model training, serving, and security. Work closely with research and product teams to build reliable, scalable infrastructure on Kubernetes and cloud platforms. Drive technical strategy, mentor engineers, and improve operational resilience across high-impact systems.

Anthropic London, United Kingdom £325,000 – £390,000 pa

Senior Machine Learning Research Engineer

This role involves building and scaling generative and predictive machine learning models for cellular behaviour using multi-omic and interventional biological data. The engineer will implement large neural networks, optimise distributed training and inference pipelines, and collaborate closely with ML scientists and biologists to translate research into production-grade systems. Work focuses on robust infrastructure development, performance optimisation, and integrating cutting-edge ML tooling within an interdisciplinary team.

Relation Therapeutics London, United Kingdom
Permanent

Senior Data Scientist (Single Cell)

Develops generative and predictive models of cellular behaviour using single-cell multi-omics data, including scRNA-seq and scATAC-seq. Builds scalable Nextflow pipelines and integrates multimodal datasets with proteomics and imaging. Works closely with wet lab and ML teams to design experiments and validate biological relevance of models.

Relation Therapeutics London, United Kingdom
Permanent

Senior Forward Deployed Engineer

Lead the design and deployment of scalable, production-grade machine learning systems for high-impact clients in national security and AI safety. Collaborate across engineering, data science, and commercial teams to operationalise AI solutions, while mentoring junior engineers and shaping technical standards. Work on-site with government clients and contribute to ethical, secure AI practices in a cross-functional, client-facing role.

Faculty London, United Kingdom
Permanent
The scene

Hiring in London

London's tech ecosystem is robust and diverse, with a high concentration of machine learning roles. Companies ranging from fintech startups to global tech giants are actively recruiting, offering a wide array of opportunities for professionals at all levels.

The city's strong network of tech meetups, conferences, and industry events provides a platform for continuous learning and professional growth. Whether you're looking to advance your career or connect with like-minded professionals, London's vibrant tech community is a valuable resource.

FAQs

Common questions

  • London is home to a wide range of companies, including startups, scaleups, and established tech giants. Many financial institutions and research-heavy organisations also hire machine learning experts.

  • Many roles in London offer hybrid or fully remote options, but the city's vibrant tech scene and networking events make on-site work a valuable experience.

  • In-demand skills include expertise in deep learning, natural language processing, and reinforcement learning, as well as proficiency in Python and TensorFlow.

  • For detailed salary information, check the salary section on this page, which is updated with live job listings and market data.

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