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Senior Scientist United Kingdom, London Jobs (Hybrid work)

18 Job Offers

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Senior Data Scientist
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Senior Data Scientist role in London with Quantum, building production ML models and pipelines in Python and SQL. Hybrid working, private healthcare, competitive salary and bonus. Join a data-driven analytics team.
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Quantum
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Senior Data Scientist
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Senior Data Scientist role at a fast-growing fintech in London. Build and deploy ML models for credit risk, fraud detection and collections optimisation using SQL, Python and cloud tools. Hybrid working with great benefits.
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Zilch
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Senior Data Scientist
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Lead high-impact AI projects as a Senior Data Scientist in London. Build bespoke algorithms, architect production-grade ML systems, and translate complex business problems into actionable strategy for retail and consumer clients.
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Faculty
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Senior Research Scientist | Model Scaling
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DeepL
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Senior Research Scientist | Model Steering
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DeepL
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Senior Research Scientist | Multimodal Systems
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DeepL
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Senior Research Scientist FMTA
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DeepL
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Senior Data Scientist - Operational Research
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Relay Technologies
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Senior Data Scientist - Network Simulation
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Relay Technologies
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Senior Data Scientist - Last Mile Pricing
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Relay Technologies
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Senior Data Scientist
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80000.00 - 85000.00 GBP / Year
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Data Idols
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Senior Underwriter/Data Scientist
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Senior Underwriter/Data Scientist sought by Descartes Underwriting in London to drive parametric insurance innovation. Leverage expertise in Python, statistics, and climate risk modeling to price, underwrite, and monitor weather-related policies for corporates. Ideal candidate holds a degree in m...
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Descartes Underwriting
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Senior Data Scientist – Recommender Systems & VLMs
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Senior Data Scientist sought to build cutting-edge recommender systems and vision language models at Mapp, a leader in AI-powered retail tech. You’ll drive personalisation at scale, collaborating with Product and Engineering in London, Munich, or Berlin. Requires 3-5 years’ ML experience, Python ...
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United Kingdom, London, Munich, Berlin
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Mapp Digital
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Senior Applied Scientist
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Senior Applied Scientist sought to advance retrieval systems for Microsoft 365 Copilot in London. You will design scalable pipelines and ranking models for Search, Chat, and Agent experiences. Requires deep expertise in semantic, dense, or hybrid retrieval and a degree in Computer Science or rela...
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73800.00 - 121300.00 GBP / Year
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Microsoft Corporation
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Senior Data Scientist
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Senior Data Scientist sought by Genius Sports to build next-gen predictive sports models in London. You will develop algorithms calculating outcome probabilities using Python, machine learning (neural networks, Monte Carlo simulation), and statistical expertise. Ideal for candidates with a STEM M...
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Genius Sports
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Senior Data Scientist
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Senior Data Scientist sought by a high-growth tech firm in London to drive strategic data product innovation. This individual contributor role demands strong Python, SQL, and machine learning skills to build predictive models and scalable solutions from large datasets. You will solve complex oper...
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100000.00 - 130000.00 GBP / Year
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Data Idols
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Senior Data Scientist AI Tooling
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Senior Data Scientist, AI Tooling role in London. Drive measurable GTM impact by designing and shipping AI-powered internal tools, leveraging LLMs, RAG, and vector search. Own the full lifecycle from problem definition to production, using Python, SQL, and orchestration tools. Join a fast-growing...
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Intercom
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Senior Data Scientist
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Senior Data Scientist sought for a hands-on individual contributor role within Credit Risk Technology at a global financial institution in London. You will develop and deploy advanced Machine Learning solutions, from concept to production, with a focus on responsible AI and model governance. Key ...
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Citi
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About the Senior Scientist role

Senior Scientist jobs represent a pinnacle of technical expertise and research leadership across industries ranging from technology and healthcare to environmental science and pharmaceuticals. Professionals in these roles are distinguished by their ability to independently drive complex, high-impact projects that push the boundaries of their field. Unlike junior or mid-level scientists, a Senior Scientist is expected to not only execute advanced research but also to define the strategic direction of projects, mentor junior team members, and translate scientific findings into tangible business or societal value. The core of the role involves designing and overseeing rigorous experiments, developing novel algorithms or methodologies, and analyzing large, often unstructured datasets to extract actionable insights.

In the tech sector, this frequently means architecting and deploying sophisticated machine learning models, from deep learning and natural language processing to reinforcement learning, to solve problems at scale. In life sciences or healthcare, it may involve designing clinical study protocols, validating diagnostic tools, or leading drug discovery efforts. A common thread across all Senior Scientist jobs is the responsibility for the entire lifecycle of a research initiative: from hypothesis generation and experimental design, through data collection and analysis, to the communication of results through publications, patents, or executive presentations. These professionals are also the bridge between pure research and practical application, ensuring that innovations are robust, scalable, and aligned with organizational goals.

The typical requirements for these positions are stringent, usually demanding a PhD in a relevant scientific discipline such as computer science, statistics, biology, chemistry, or engineering, coupled with several years of post-doctoral or industry experience. Essential skills include deep proficiency in programming languages like Python or R, mastery of statistical analysis and experimental design (including A/B testing), and a strong publication record. Beyond technical acumen, Senior Scientists must possess exceptional problem-solving abilities, strategic thinking, and the capacity to lead cross-functional teams. They must be excellent communicators, capable of explaining complex scientific concepts to non-experts and influencing key decisions.

Ultimately, Senior Scientist jobs are for those who want to be at the forefront of discovery, shaping the future of their field while delivering measurable results.