Machine Learning Jobs

Senior Manager (National Security)

Lead and deliver high-impact AI transformation projects for UK government and national security clients, bridging technical AI research with operational mission needs. Manage end-to-end project delivery, develop strategic proposals, and mentor cross-functional teams in a fast-evolving, high-stakes environment. Focus on responsible AI deployment, red teaming, and building trusted advisory relationships with senior stakeholders.

Faculty AI London, United Kingdom

On-site Permanent Clearance Required

Lead Data Scientist

Lead a team of data scientists to design and deliver high-impact, production-grade AI solutions for clients in highly regulated sectors such as finance and professional services. Drive technical direction, lead complex project scoping, and act as a trusted advisor to clients while shaping best practices and mentoring junior staff. Work across the full project lifecycle from feasibility to deployment, balancing innovation, speed, and reliability in real-world applications of machine learning.

Faculty AI London, United Kingdom

Hybrid Permanent

Applied AI Engineer

Design and deploy production AI systems for enterprise clients, guiding them from concept to scalable implementation. Work across the full technical stack to solve complex integration, reliability, and governance challenges while ensuring safety and measurable business impact. Translate real-world deployment experience into reusable tools and product improvements.

OpenAI United Kingdom

Hybrid Permanent

Control Red Team - Research Engineer/Research Scientist

This role involves designing and running machine learning experiments to evaluate the effectiveness of AI control measures, such as monitors and sandboxes, by developing adversarial attacks and conducting security analyses. The work combines empirical research with real-world testing of frontier AI systems, using LLMs to automate evaluation loops and building scalable infrastructure for high-quality, reusable results. The position is embedded within a red team focused on identifying vulnerabilities in AI safety systems to inform both developers and government policy.

AI Security Institute London, United Kingdom

Applied AI Architect, Education

This role involves serving as the senior technical advisor for education-sector clients, guiding them from AI exploration to production adoption. The Applied AI Architect designs secure, scalable solutions using OpenAI’s models, aligns technical strategies with institutional goals, and leads cross-functional teams to deliver measurable impact in teaching, research, and operations. The role requires deep technical expertise, stakeholder engagement across academic and administrative domains, and a strong commitment to responsible AI deployment.

OpenAI London, United Kingdom

Hybrid Permanent

Research Leader / Senior Scientist (Computational Drug Design), Cambridge, MA

This role involves leading drug discovery programs using AI-first approaches, combining computational chemistry expertise with machine learning to accelerate the design of novel therapeutics. The candidate will guide projects from initiation to candidate selection, collaborate across disciplines, and help shape the evolution of Isomorphic Labs' AI platform. Opportunities exist for both scientific leadership and people management, with a focus on innovation in molecular design and strategic problem-solving.

Isomorphic Labs Cambridge, United Kingdom

Software Engineer (LLM Engineering), London

This role involves building and scaling LLM-integrated systems to support AI-driven drug discovery. You'll design secure, scalable infrastructure, develop agentic tooling and RAG systems, and collaborate with researchers to implement generative AI solutions. The position emphasizes first-principles engineering and operational excellence in a hybrid work environment.

Isomorphic Labs London, United Kingdom

Staff Backend Software Engineer - GO & Python

Build and maintain a platform for Data Scientists and Simulation Engineers to develop and deploy physics-informed AI models. Work on scalable backend systems using Python and Go, with full ownership from implementation to production. Collaborate closely with cross-functional teams and leverage domain expertise to shape engineering practices in a high-performance, event-driven environment.

PhysicsX London, United Kingdom

Sr. Solutions Engineer

This role involves leading technical sales engagements by conducting hands-on proofs-of-concept and evaluations for digital-native companies adopting Databricks' Data Intelligence Platform. The Senior Solutions Engineer will collaborate with engineering and sales teams to demonstrate solutions across data engineering, machine learning, and Generative AI, using real-world data and modern cloud architectures. The position emphasizes technical credibility, customer problem-solving, and rapid validation in high-velocity sales cycles.

Databricks London, United Kingdom

Hybrid Permanent

Principal Data Scientist (Fine-tuning & Model Optimisation)

Lead the design and implementation of fine-tuning strategies for large language models, including SFT, LoRA, and QLoRA, within regulated, real-world applications. Develop evaluation frameworks, select base models, and drive models into production while mentoring a growing ML team. Work cross-functionally to translate domain requirements into model behaviour and establish reproducible, scalable AI systems.

Experis United Kingdom £110,000 – £130,000 pa

Sr. Solutions Architect

This role involves working closely with Databricks' largest and most complex customers to design and implement data solutions on the Databricks Lakehouse platform. The candidate will lead technical engagements, develop customer-specific strategies, and act as a trusted advisor during the sales and adoption process. Activities include leading proofs-of-concept, delivering technical workshops, and collaborating with cross-functional teams to drive platform adoption across diverse industries.

Databricks London, United Kingdom

Director of Tax

Lead and transform Ocado Group’s global tax function by driving AI, automation, and intelligent data workflows across compliance, reporting, and strategic advisory. Spearhead digital innovation in tax technology while managing international tax risk, transfer pricing, and relationships with HMRC and global authorities. Foster a future-ready, high-performing team in a tech-forward retail automation environment.

Ocado Welwyn Hatfield, United Kingdom

Hybrid Permanent

Senior Legal Counsel

Provides expert legal advice on commercial, procurement, and technology transactions across the UK and internationally, with a focus on technology contracts, IP, data protection, and compliance. Supports senior stakeholders and leads on key projects including corporate transactions, while mentoring junior team members and developing legal templates and training. Operates in a fast-paced, innovative environment centred on cloud, robotics, and AI-driven retail solutions.

Ocado Welwyn Hatfield, United Kingdom

Mid Market Account Executive

This role involves leading full-cycle sales for Synthesia’s AI video platform within mid-market accounts (100–1,000 employees) across the US. The Account Executive will drive outbound prospecting, build account plans, qualify opportunities using MEDDPICC, and expand adoption across departments like HR, L&D, and Marketing. Success requires value-based selling, strong CRM management in Salesforce, and collaboration within a high-growth, experimental sales culture.

Synthesia Austin, Texas, United States

Hybrid Permanent

Senior ML Engineer, Doc Fraud

This role involves building and optimizing production-scale machine learning systems for document classification and extraction, focusing on fraud detection in government-issued IDs. The engineer will work with VLMs/LLMs and traditional ML models, design training and inference pipelines, and integrate solutions into customer-facing products. Collaboration with applied science, product, and operations teams is key to delivering accurate, real-time document verification experiences.

Entrust London, United Kingdom

Hybrid Permanent