Latest machine learning scientist Jobs

Machine Learning Developer - Quant Strategies

This role involves building statistical models for quantitative strategies in equities and commodities, collaborating with cross-functional teams to deliver robust solutions, and becoming a machine learning authority within the company. You will work on cutting-edge technologies and have opportunities for career growth and personal project development.

Newton Colmore London, United Kingdom

On-site Permanent

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

Lead or contribute to drug discovery projects by integrating medicinal chemistry expertise with AI-driven platforms. Guide projects from initiation to candidate selection, collaborate with machine learning teams to refine models, and manage CRO partnerships. The role emphasizes innovation in structure-based and fragment-based drug design within a dynamic, interdisciplinary environment.

Isomorphic Labs Cambridge, United Kingdom

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

Lead or contribute to computational drug design projects using AI-driven approaches, integrating machine learning into cheminformatics workflows. Guide drug discovery programs from hit identification through candidate selection, collaborating closely with ML scientists. Help shape and refine AI models while mentoring teams and driving innovation in molecular design and optimisation.

Isomorphic Labs Cambridge, United Kingdom

Senior Applied Data Scientist

This role involves leading end-to-end data science projects to enhance customer personalisation for major retail clients like Tesco UK. You'll work with large-scale transactional data, design and evaluate A/B tests, and deploy machine learning solutions in a collaborative, innovative environment. The position emphasizes technical excellence in Python and SQL, alongside the ability to translate complex insights for diverse stakeholders.

dunnhumby London, United Kingdom

Hybrid Permanent

Data Scientist

This role involves working in a growing data and analytics team, delivering insights and analysis that support data-driven marketing and commercial decisions. You will build and apply predictive models, prepare and manipulate data, and translate findings into clear stories for various stakeholders.

Harnham - Data and Analytics Recruitment London, United Kingdom £50,000 – £65,000 pa

Hybrid Permanent

Lead Data Scientist

Lead a team of data scientists to design and deliver production-grade AI solutions for high-impact clients in regulated industries. Drive technical direction, architect scalable systems, and mentor teams while balancing innovation, risk, and commercial objectives. Engage directly with clients to define roadmaps and ensure responsible deployment of machine learning models.

Faculty AI 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 environments. Build evaluation frameworks, select base models, and drive models into production while mentoring a technical team. This role involves shaping AI model development from first principles and working across data, domain, and product teams to deliver production-grade AI systems.

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

Senior Research Scientist - AI Safety

This role involves leading high-impact AI safety research, focusing on red teaming and evaluations for frontier models in high-risk domains like cybersecurity and CBRN. The scientist will drive research from concept to publication, shape safety strategies, and collaborate with government and commercial partners on mitigating misuse risks. Work includes technical leadership in language models, generative AI, and robustness, with a strong emphasis on real-world deployment and policy-relevant insights.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required

Principal Data Scientist

A Principal Data Scientist will lead high-impact machine learning initiatives within the Defence sector, driving technical strategy, client engagement, and delivery of ethical AI solutions. The role involves shaping AI roadmaps, mentoring junior scientists, and writing production-grade code. Work includes on-site collaboration with government clients and setting technical standards across complex projects.

Faculty London, United Kingdom

Hybrid Permanent

Research Data Scientist

A Research Data Scientist role focused on developing machine learning and statistical solutions for retail and consumer insights. The work involves exploratory data analysis, implementing models like clustering and neural networks, and turning research into reusable science modules. Key applications include insight automation, product assortment optimisation, and generative AI for product support.

dunnhumby London, United Kingdom

On-site Permanent

AI & Property Data Scientist - KTP Associate

This role involves developing and commercialising an AI-driven platform that converts UK planning application drawings into structured building data. The work focuses on applying computer vision and machine learning to extract insights from multimodal documents, enabling improved risk assessment and reinstatement cost estimation for insurers and property stakeholders. Based in a hybrid setup with the University of Exeter and a fast-growing InsurTech, the role offers hands-on R&D in a real-world commercial context.

University of Exeter Exeter, Hybrid, South West England, United Kingdom £33 – £43 pa

Contract

Research Scientist

Conducts original research in AI safety, focusing on interpretability and behavioral analysis of transformer-based language models. Designs and runs experiments to study model behavior, develops reproducible research tooling in Python/PyTorch, and translates technical findings for government, industry, and safety partners. Works closely with senior scientists to advance robust AI deployment and contribute to emerging safety standards.

Faculty London, United Kingdom

Permanent

Data Scientist

This role involves developing and deploying customer-focused machine learning models, including customer segmentation, CLTV modelling, demand forecasting, and targeted promotions. You'll work closely with the Lead Data Scientist and other stakeholders to build scalable solutions and shape best practices in a growing Data Science team.

Harnham - Data and Analytics Recruitment Merseyside, United Kingdom £45,000 – £50,000 pa

Hybrid Permanent

Control Red Team - Research Engineer/Research Scientist

This role involves designing and conducting ML experiments to evaluate the effectiveness of AI control measures such as monitors and sandboxes, with a focus on identifying adversarial attacks that could bypass them. The work combines empirical research, red-teaming of frontier AI systems, and building scalable infrastructure for automated evaluation. You'll produce rigorous safety assessments and contribute to high-impact publications and policy-relevant reporting.

AI Security Institute London, United Kingdom

Senior AI Engineer - Perm UK

Design and build scalable AI data pipelines and cloud-native systems to productionise machine learning and NLP models. Collaborate with data scientists and engineers to transform research into secure, enterprise-grade AI platforms. Work with modern tech stacks including Python, FastAPI, Kubernetes, and cloud platforms, with opportunities for technical leadership and mentoring.

Infused Solutions London, United Kingdom £65,000 – £80,000 pa