Machine Learning Jobs

Senior/Staff Software Engineer, Back End Leaning

This role involves working on core enterprise platform systems, focusing on backend services to ensure security, reliability, and scalability for large customers. You will collaborate with product, security, legal, and infrastructure teams to translate business and regulatory requirements into scalable technical solutions.

Synthesia London, United Kingdom

Remote Permanent

Applied Scientist Gen AI - Amazon Advertising, CreativeX

As an Applied Scientist in Amazon Advertising's CreativeX team, you will focus on developing and implementing multi-modal Generative AI methods to create high-quality advertising creatives. Your responsibilities will include building and optimizing ML models, conducting experiments, and collaborating with cross-functional teams to productize your research. You will also contribute to the team's collaborative spirit by mentoring others and publishing your findings.

Amazon London, United Kingdom

On-site Permanent

Sr. Manager, Software Dev, Next-Gen Security Automation

This role involves leading the development of next-generation AI-powered security systems, collaborating with top security and engineering talent. You'll work on innovative AI products from the ground up, tackling complex security challenges and driving the transformation of security practices through cutting-edge technology.

Amazon London, United Kingdom

On-site Permanent

Senior Software Engineer

As a Senior Software Engineer in Faculty AI's Defence team, you will lead backend and edge/IoT engineering, bridge the gap between machine learning research and production-grade software, and mentor fellow engineers. You will work on high-impact, critical projects that provide immediate value to clients in a fast-paced, collaborative environment.

Faculty AI London, United Kingdom

Hybrid Permanent Flexible Clearance Required

Machine Learning Engineer

This role involves building and deploying production-grade machine learning systems for high-impact clients, particularly in the defence sector. The engineer will work across the full ML lifecycle, from scoping to deployment, creating scalable solutions and setting best practices for ML at scale. Collaboration with cross-functional teams and direct client engagement are key, with a focus on ethical, reliable AI in sensitive environments.

Faculty AI London, United Kingdom

Remote Permanent Flexible Clearance Required

Director, Customer Success - DACH

This role involves building and managing a high-performing Customer Success team in the DACH region, focusing on driving ARR through enterprise clients. Responsibilities include coaching the team, ensuring customer success, and collaborating with cross-functional teams to enhance product adoption and value.

Synthesia London, United Kingdom

Hybrid Permanent

Senior Finance Accountant - International Accounting & Reporting

This role involves managing financial integrity and compliance for Ocado's global entities, including general ledger management, statutory audits, and financial reporting. The Senior Financial Accountant will work closely with external auditors, cross-functional teams, and overseas entities to ensure accurate and timely financial reporting and compliance.

Ocado United Kingdom

On-site Permanent

Senior PLC Safety Engineer

This role involves designing and programming safety-related PLC control systems for Ocado's Peripheral & Mobile Robotics department. You will ensure compliance with international safety standards, create safety functions, and support global commissioning of complex automated machinery.

Ocado United Kingdom

Hybrid Permanent

Machine Learning Engineer

This role involves developing end-to-end machine learning systems integrated with advanced electronics for defence and security applications. You'll work across diverse domains such as computer vision and generative models, rapidly prototyping and deploying models into functional hardware systems. The role emphasizes innovation, rapid iteration, and close collaboration in a technically driven, low-management environment.

ECM Selection Cambridge, Cambridgeshire, United Kingdom £40,000 – £70,000 pa

On-site Permanent Clearance Required

Graduate Software Engineer

Software engineering at the frontier of AI and defenceThis team is motivated by saving lives in war affected regions and on the battlefield. They believe that by combining advanced technologies from different sectors they can fundamentally change the effectiveness of...

ECM Selection Cambridge, Cambridgeshire, United Kingdom £35,000 – £40,000 pa

Senior Test Engineer (SC Cleared)

This role involves leading end-to-end test strategies for AI and data-driven systems in a large-scale enterprise environment. The engineer will design validation frameworks for AI models, including Generative AI and RAG solutions, integrate testing into CI/CD pipelines, and ensure compliance with security, performance, and accessibility standards. They will also mentor teams and drive automation improvements while working closely with data science, engineering, and product functions.

Adecco London, City And County Of the City Of London, United Kingdom £600 – £650 pd

Hybrid Contract Clearance Required

Software Engineer, Infrastructure Reliability

This role involves designing, building, and operating reliable and performant systems that support cutting-edge AI research and global-scale deployments. You will work on improving system resilience, performance, and automation, collaborating closely with cross-functional teams to ensure high reliability and scalability.

OpenAI London, United Kingdom

On-site Permanent

Researcher, Training - London

As a Researcher on the Training team, you will focus on advancing large language models (LLMs) by designing new architectures, optimizing performance, and contributing to training infrastructure. You will work in a hybrid model, spending three days a week in the London office and collaborating with a team dedicated to pushing the boundaries of AI.

OpenAI London, United Kingdom

Hybrid Permanent

Senior Research Investigator, (Biologics Pharmacology), London

This role involves designing and executing pharmacology plans for large molecule therapeutics, leading in vivo and in vitro assays, and driving project milestones from early discovery to candidate selection. You will collaborate with interdisciplinary teams to integrate pharmacology data into AI-driven drug design processes.

Isomorphic Labs London, United Kingdom

On-site Permanent

Agentic AI Engineer (life sciences)

This role involves designing and refining LLM-powered agentic workflows that integrate with a knowledge graph, scientific literature, and proprietary data to generate testable therapeutic hypotheses for rare diseases. The engineer will work closely with drug discovery scientists and engineers to translate real-world research questions into reliable, production-grade AI agents. Success means independently owning end-to-end agent development and delivering tools that directly impact drug discovery decisions.

Healx Cambridge, United Kingdom

Hybrid Permanent