Latest ml scientist Jobs

Senior Data Scientist (Imaging)

This role involves developing generative and predictive models of cellular behaviour using high-content imaging data such as cell painting and brightfield assays. The Senior Data Scientist will curate imaging datasets, design evaluation frameworks to distinguish biological signal from artefact, interpret foundation model outputs, and collaborate closely with wet lab teams to ensure data quality and analytical tractability. The position is embedded in a multidisciplinary environment integrating machine learning, single-cell multi-omics, and functional assays to advance drug discovery.

Relation Therapeutics London, United Kingdom

On-site Permanent

Applied Scientist II, Strategic Account Services (SAS)

This role involves developing and deploying advanced AI systems that enhance both seller operations and internal consultancy at Amazon. The scientist will design machine learning architectures—particularly using LLMs, generative AI, and optimization techniques—to solve complex marketplace challenges. The position emphasizes end-to-end innovation from research to production, with a focus on scalable, interpretable, and impactful AI solutions.

Amazon London, United Kingdom

On-site Permanent

Data Scientist II, RufusX Science UK

This role involves improving the performance of large language models in Amazon's AI shopping assistant, Rufus, through instruction design, evaluation frameworks, and experimentation. The data scientist will analyze multimodal interaction data, develop automated evaluation pipelines, and collaborate with scientists and engineers to enhance conversational AI quality. Work includes A/B testing, retrieval augmentation, and contextual grounding to improve customer experience and business impact.

Amazon London, United Kingdom

On-site Permanent

Senior Scientist (In vivo Pharmacology & Translational Sciences), Cambridge, MA

Lead translational strategies for oncology and immunology programs by designing in vivo pharmacology and PK/PD studies, bridging computational predictions with experimental validation. Work across CROs to generate robust data for candidate selection and clinical translation, integrating biomarker strategies and informing first-in-human trial design.

Isomorphic Labs England

Data Scientist (Platform Development)

This role involves leading the development of data science pipelines and methodologies within a life science start-up. Responsibilities include algorithm development, maintaining data analysis pipelines, and implementing best practices in data analysis to generate insights from scientific data.

ECM Selection Cambridge, Cambridgeshire, United Kingdom

Applied Scientist I

Design and train machine learning models for digital identity verification, focusing on deepfake detection, bias mitigation, document understanding, and efficient on-device ML. Collaborate with product and engineering teams to deploy scalable models and publish research in top-tier venues. Work with large-scale vision-language models, synthetic data, and multimodal systems to enhance fraud detection and identity assurance.

Entrust London, United Kingdom

AI/ML Engineer

Develops novel AI/ML solutions in computer vision, NLP, LLMs, and reinforcement learning, translating academic research into production-grade systems for national security and defence applications. Works across the full R&D lifecycle, from experimentation to deployment, while mentoring junior engineers and contributing to technical proposals. Operates in a multidisciplinary team with a strong engineering focus.

CBSbutler Holdings Limited trading as CBSbutler Romsey, Hampshire, United Kingdom £65,000 pa

Machine Learning Scientist

This role involves designing and prototyping novel generative machine learning models for protein design, with close collaboration between computational and experimental teams. The scientist will build scalable data pipelines, optimize deep learning models for performance, and iteratively refine models based on wet lab feedback. A strong emphasis is placed on code quality, interdisciplinary collaboration, and translating model outputs into real-world biological functions.

Latent Labs London, United Kingdom, United Kingdom

Hybrid Permanent

Data Scientist – Computational Genomics, 12-month

This role involves applying and developing machine learning and statistical models to analyse multi-omics and genomics datasets, with a focus on target identification and validation in drug discovery. The Data Scientist will work at the intersection of genetics, machine learning, and functional biology, integrating large-scale human genetics and single-cell data to uncover disease mechanisms. Collaboration with experimental and computational teams is central, with an emphasis on scalable workflows, hypothesis validation, and scientific communication.

Relation Therapeutics London, United Kingdom

On-site Permanent

Lead Data Scientist

Lead Data Scientist | Fully Remote | £90,000–£100,000 + BenefitsBuild the models behind real-time decision making at scale.Why this role stands outThis isn’t just another senior data science position. It’s a chance to shape the future of analytics in one...

Uniting Ambition Manchester, United Kingdom £90,000 – £100,000 pa

Senior Data Scientist

Develop actionable insights from real and simulated driving data to improve the functionality, safety, and performance of Wayve's AI-driven autonomous vehicles. Design experiments, refine performance metrics, and collaborate with engineering teams to advance end-to-end AI for automated driving. Work in a fast-paced, innovative environment focused on shaping the future of autonomous mobility.

Wayve London, United Kingdom

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

Senior Research Scientist - AI Safety

Lead high-impact research in AI safety, focusing on red teaming and evaluations for frontier models in high-risk domains such as cybersecurity and CBRN. Develop novel mitigation strategies, shape research direction, and contribute to publications and stakeholder engagement. Work at the intersection of technical depth and real-world safety impact within a small, high-agency team.

Faculty AI London, United Kingdom

Hybrid Permanent Clearance Required

DV Cleared Data Scientist

Lead and mentor a team of 6 data scientists while driving the development and deployment of custom AI and machine learning solutions for high-impact defence and technology projects. Focus on advanced data exploitation, algorithm development, and technical innovation using Python, TensorFlow, PyTorch, and related frameworks across complex datasets.

Salt United Kingdom £70,000 – £100,000 pa

On-site Permanent Clearance Required

Principal Data Scientist - Aristocrat

This role involves leading end-to-end data science initiatives to enhance player engagement, retention, and monetization in social casino games. The Principal Data Scientist will develop machine learning and reinforcement learning models, drive scalable experimentation, and translate complex insights into product decisions. They will also provide technical leadership, mentorship, and collaborate across engineering, MLOps, and game teams to build data products and improve decision-making frameworks.

eFinancialCareers London, United Kingdom