Machine Learning Jobs

Security Engineer, IAM Stores Security

As a Security Engineer, you will design and build security logging pipelines that process billions of events daily, develop monitoring and detection capabilities for AI/ML workloads, and ensure the security of Amazon's global AWS infrastructure. You will also mentor teammates, write production-ready code, and investigate operational issues to prevent recurrence.

Amazon London, United Kingdom

On-site Permanent

Applied Scientist II, Strategic Account Services (SAS)

This role involves leading the development of sophisticated AI solutions using deep learning, LLMs, and advanced machine learning techniques to enhance seller operations and internal consultancy capabilities. You will define and drive the long-term scientific vision, design advanced ML architectures, and collaborate with engineering teams to deploy AI applications at scale.

Amazon London, United Kingdom

On-site Permanent

Member of Technical Staff, Modeling

As a Member of Technical Staff, you will design and build AI systems, research and implement novel ideas on supercompute infrastructure, and collaborate closely with top researchers. The role offers a unique blend of engineering and research, with a focus on advancing the state of the art in AI.

Cohere London, United Kingdom

Remote Permanent

Senior Data Scientist - Computational Biology

This role involves applying advanced computational and statistical methods to analyse high-dimensional biological datasets, particularly in single-cell and spatial omics. You will collaborate closely with ML researchers, experimental scientists, and software engineers to translate complex biological data into actionable insights for disease understanding and drug discovery.

Relation Therapeutics London, United Kingdom

On-site Permanent

Data Scientist – Single Cell & Spatial (12-month

As a Data Scientist, you will work on multi-omics data to drive transformative insights into drug discovery. You will develop and implement computational workflows, design statistical models, and collaborate with ML researchers and experimental scientists to identify and validate drug targets. This role offers a unique opportunity to contribute to cutting-edge biotech projects and impact patients' lives.

Relation Therapeutics London, United Kingdom

On-site Permanent

Senior Pricing Data Scientist

The Senior Pricing Data Scientist will join a growing insurance business, focusing on detailed pricing analysis, data interpretation, and presenting findings to stakeholders. The role involves significant decision-making and influence over the company's pricing strategies, working closely with data and MI teams to enhance reporting and data availability.

Sellick Partnership London, United Kingdom £80,000 – £90,000 pa

Hybrid Permanent

Head of Engineering (AI)

This role involves leading the design and development of an AI-native data platform, building and deploying AI agents, setting engineering standards, and mentoring a high-performing team. You will work closely with the founder and leadership team to scale the platform and drive innovation in a high-growth, PE-backed organization.

Harnham - Data and Analytics Recruitment London, United Kingdom £150,000 – £200,000 pa

Hybrid Permanent

Senior Software Engineer, Inference

The role involves building and maintaining critical systems for serving Claude, a large language model, to millions of users. Responsibilities include optimizing compute efficiency, enabling breakthrough research, and tackling complex distributed systems challenges across multiple cloud platforms and AI accelerators.

Anthropic London, United Kingdom £225,000 – £325,000 pa

Hybrid Permanent

Senior Data Architect - Finance - London

Senior Data Architect - Finance - LondonA small but growing consultancy is seeking an experienced Senior Data Architect to play a key role in shaping and governing enterprise data architecture across a complex, highly regulated environment.This is a hands-on architecture...

Tenth Revolution Group London, United Kingdom £90,000 – £100,000 pa

Senior Data Scientist (LLMs, RAG, GCP & Agentic Systems)

Senior AI Engineer (LLMs, RAG & Agentic Systems) | £75,000 - £90,000 | London HybridAn award-winning and highly innovative organisation is looking to hire a Senior AI Engineer to join a growing AI and Data Science function delivering cutting-edge AI...

Robert Walters London, United Kingdom £75,000 – £90,000 pa

Senior AI Software Engineer

This role involves designing and deploying production-grade AI and machine learning systems within a data-driven organisation. You'll build scalable AI pipelines, optimise model performance, and collaborate with cross-functional teams to deliver impactful solutions. The role emphasises engineering quality, MLOps best practices, and ownership in a modern tech environment.

Harnham - Data and Analytics Recruitment London, United Kingdom £100,000 – £120,000 pa

Hybrid Permanent

Core Services - Software Engineer (Frontend)

As a Senior Frontend Software Engineer, you will build and evolve a frontend platform that supports complex simulation and ML workflows, including 3D visualizations and data-heavy interfaces. You will design composable frontend architectures, optimize performance, and mentor junior engineers while driving technical standards and best practices.

PhysicsX London, United Kingdom

On-site Permanent

Applied Data Scientist

As an Applied Data Scientist, you will work on complex problems in category management, leveraging advanced data science and machine learning techniques to deliver actionable insights for clients like Tesco. You will collaborate closely with client leadership and team members to build scalable, reusable solutions that drive measurable value and innovation.

dunnhumby London, United Kingdom

Hybrid Permanent Flexible

Senior Applied Data Scientist

As a Senior Applied Data Scientist, you will lead and deliver complex data science projects, applying machine learning and human creativity to solve real-world business problems. You will work closely with the Tesco Personalisation team to develop and deploy scalable personalisation solutions, collaborating with a team of 30+ data scientists.

dunnhumby London, United Kingdom

Hybrid Permanent

Senior Software Security Developer – Core Platform Services

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom