Machine Learning Jobs

Communications Manager

Would you like to continue your career in a supportive, collaborative and innovative company?Do you enjoy working as part of an enthusiastic, passionate, and collaborative team?Join our Communications teamThe story of Softcat is one driven by an unprecedented ‘people-first' culture...

Softcat Bristol, Bristol (county), United Kingdom

Microsoft Power Platform Developer (AI & Low Code) – Reputable client

Design and develop digital solutions using Microsoft Power Platform, including Power Apps and Power Automate, within an agile environment. Collaborate with business stakeholders and IT teams to build low-code applications, with opportunities to work on AI-enhanced features. Focus on creating custom connectors and automating workflows across business functions.

Integrity Recruitment Solutions Nottingham, Nottinghamshire, United Kingdom

Hybrid Permanent

AI Practice Lead

This role involves leading the strategic development and delivery of AI transformation programmes for enterprise clients across BFSI, Energy, Utilities, and Diversified Industries. The AI Practice Lead will define AI strategies, develop market-ready offerings, and provide technical leadership across Generative AI, LLMs, RAG, and enterprise data platforms. They will mentor cross-functional teams, drive innovation, and ensure high-impact outcomes through hands-on architectural guidance and governance of complex AI initiatives.

Expleo London, United Kingdom

Hybrid Permanent

Lead Data Scientist (Model Developer) / Deep Learning Practitioner

This role involves leading the development and deployment of advanced deep learning models to enhance credit underwriting systems at Capital One. The candidate will work with non-traditional and multi-modal data, building neural networks such as LSTMs, RNNs, and Transformers to improve predictive accuracy. They will bridge research and production by collaborating with stakeholders and guiding models from prototype to market impact.

Capital One Boultham, Lincolnshire, LN6 7TG, United Kingdom

Hybrid Permanent

Research Engineer, Pretraining

This role involves conducting research and implementing solutions in areas like model architecture, algorithms, and data processing for large language models. You will lead small projects, collaborate on larger initiatives, and optimize training infrastructure to ensure AI systems are safe, steerable, and trustworthy.

Anthropic London, United Kingdom

On-site Permanent

[Expression of Interest] Research Engineer / Scientist, Alignment - London

As a Research Engineer on the Alignment Science team, you will design and execute machine learning experiments to ensure AI systems are safe, helpful, and aligned with human values. You will collaborate with other teams to test and improve safety techniques, develop evaluation tools, and contribute to research papers and presentations.

Anthropic London, United Kingdom £260,000 – £370,000 pa

Hybrid Permanent

Staff Software Engineer, AI Reliability Engineering

This role involves developing and maintaining the reliability of Anthropic's AI systems, particularly Claude. Responsibilities include setting service level objectives, implementing monitoring systems, and leading incident response. The position offers cross-functional exposure and collaboration across multiple teams and cloud providers.

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

Permanent

Staff+ Software Engineer, Safeguards Infrastructure

Build foundational systems for AI safety, oversight, and intervention mechanisms, focusing on detecting unwanted model behaviors and preventing disallowed use. Develop infrastructure for data management, metrics, evaluations, and review tooling while ensuring high operational reliability and scalability. Work across the stack to create multi-layered, real-time safety defenses with minimal human intervention.

Anthropic London, United Kingdom £255,000 – £325,000 pa

Hybrid Permanent

Research Engineer, Pretraining Scaling - London

This role involves owning critical aspects of Anthropic's production pretraining pipeline, including performance optimization, debugging complex issues, and improving training efficiency. The position is highly operational, requiring responsiveness to incidents and flexibility during model launches, with significant learning opportunities.

Anthropic London, United Kingdom

On-site Permanent

Research Engineer, Machine Learning (RL Velocity)

As a Research Engineer on the RL Velocity team, you will focus on building and improving the RL training infrastructure, identifying and removing bottlenecks, and partnering with researchers and engineering teams to enhance the efficiency and reliability of Anthropic's AI systems. This role involves high-leverage work that impacts the entire organization's ability to iterate and improve models quickly.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Hybrid Permanent

Staff Software Engineer, Inference

This role involves building and maintaining large-scale, compute-agnostic inference systems that power Claude for millions of users and support cutting-edge AI research. The engineer will work across the full stack, optimizing intelligent request routing, fleet orchestration, and performance across diverse AI accelerators in multi-cloud environments. Projects include autoscaling infrastructure, integrating new hardware, and developing production pipelines for model deployment.

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

Hybrid Permanent

Research Engineer, Machine Learning (Reinforcement Learning)

This role involves collaborating with researchers and engineers to advance the capabilities and safety of large language models through reinforcement learning. Responsibilities include developing core RL infrastructure, designing novel training environments, and optimizing performance across the stack.

Anthropic London, United Kingdom

On-site Permanent

Senior HPC Performance Engineer

This role involves analyzing HPC applications across diverse architectures, from single-core benchmarks to large-scale distributed systems with CPUs, GPUs, and many-core processors. The engineer will identify performance bottlenecks and optimization opportunities to guide compiler and application development teams. Work includes supporting customer GPU acceleration efforts and deep performance analysis using tools and techniques tailored to parallel and heterogeneous computing environments.

NVIDIA Germany

Remote Permanent

Workshop Technician

This role involves supporting engineers in a prototype development workshop by managing equipment, consumables, and safety processes. The technician will maintain tools, train users, assist with manufacturing tasks, and ensure proper handling of materials and waste. It requires hands-on experience with 3D printing and laser cutters, strong organisational skills, and a proactive approach to workshop management.

Cambridge Consultants United Kingdom

On-site Permanent

PhD Physicist

This role involves tackling complex, multidisciplinary challenges across healthcare, defence, and energy by applying advanced physics and experimental techniques to real-world engineering problems. You'll work on innovative projects such as novel imaging systems, ultrasonic measurement, and magnetic positioning, combining theoretical knowledge with hands-on development. The position emphasizes rapid learning, technical creativity, and collaboration within a supportive, R&D-focused environment.

Cambridge Consultants United Kingdom

On-site Permanent Clearance Required