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IAG Loyalty, a leader in travel and loyalty experiences, is seeking a commercially minded Data Science Lead to join the Data Products Leadership Team in London.

As Principal Data Scientist, you’ll set methodological direction for signal extraction and ML modelling, driving the most complex, high‑impact problems and guiding the team’s approach.

Klarna is seeking a Lead Data Scientist to shape the next generation of consumer-level credit scoring and portfolio valuation models.

Marshmallow in London is seeking a Staff Data Scientist for Claims to lead AI initiatives across risk decisioning and automation. You’ll bridge data science, engineering and product to deploy robust models in production and drive measurable impact.

We are seeking a talented quantitative developer to join our Treasury Markets Data Science team. Strong experience with microservices, databases, and production infrastructure. Experience with streaming systems, real-time data pipelines, or event-driven architectures (Kafka, Flink, Redis, etc.

As Principal Data Scientist, you will be the technical authority for CoMind's data science function, setting methodological direction for signal extraction and ML modelling, personally driving the most complex and highest‑impact problems, and providing expert guidance across the team. Drive the de

CoreWeave is seeking a Data Scientist to join the Monolith Data Science team, building a reliability platform that blends telemetry, anomaly detection, and optimization to improve cluster performance and cost.

You will work closely with Engineering, Product, Operational Research and Data Science teams, building scalable datasets, production-grade models and reusable data products used across the organisation. They are now looking for a Staff Data Scientist to lead the development of geospatial and movemen

We are a fast-growing, collaborative team of Data Scientists and Machine Learning Engineers sitting within Technology. As a Principal Data Scientist specializing in Personalization and Customer Algorithms, your mission is to set the strategic direction for customer modeling across On. Mentor and gui

Lead and mentor data scientists and engineers, fostering technical excellence and a culture of continuous learning. You have demonstrated ability to mentor junior data scientists, balance speed, risk, and analytical rigor. Senior Data Scientist, Analytics.

As a Principal Product Data Scientist, you will operate as the most senior technical leader in the Product Data Science function. Mentor, coach, and develop other Data Scientists and Analysts, fostering a culture of critical thinking, continuous learning, and technical excellence. Lead and define th

Senior Data Scientist to lead advanced optimisation projects and shape robust ML architectures that improve payment flows. The role emphasizes collaboration with product stakeholders, distributed data processing using Spark/Dask, and strong emphasis on model explainability.

A major international transport company is seeking a Senior Operations Research Data Scientist for a contract role focused on optimising logistics and operational efficiency.

Ripple is seeking a Staff Data Scientist to serve as the technical lead across its product and business portfolio.

As a Principal Data Scientist specializing in Personalization and Customer Algorithms, your mission is to set the strategic direction for customer modeling across On. As a Principal Data Scientist specializing in Personalization and Customer Algorithms, your mission is to set the strategic direction

You'll operate as a force multiplier – solving the hardest problems, building the frameworks others reuse, and levelling up data scientists across teams. Expertise in Python or R, fluency in SQL, and experience with large-scale data tech (Databricks, Airflow, dBT a plus). We're looking for a Staff

Apply data science techniques to large and complex datasets. We're looking for an experienced Data Scientist with active SC clearance to join a high-profile programme delivering advanced analytical capabilities within a secure environment. Data Scientist (Active SC Clearance Required).

Expedia Group in London is seeking a senior data scientist to advance the Localization product within Content Product Analytics. You will develop ML models, build scalable data pipelines and dashboards, mentor teammates, and ensure responsible AI practices while influencing roadmaps through data sto

On is seeking a Principal Data Scientist specializing in personalization and customer algorithms to set the strategic direction for customer modeling across the business.

Global FTSE PLC is seeking a Senior Data Scientist – AI, Risk & Assurance to help build a new analytics capability from the ground up. You will work with cloud platforms (Azure/AWS/GCP) and BI tools like Power BI, delivering advanced analytics across large datasets and influencing senior stakehold

United States Digital Space LLC in the United Kingdom is seeking a Lead Data Scientist to set technical direction and deliver high-impact, scalable AI solutions for public and private sector clients.

Collaborate closely with other Claims data scientists to bring system-level thinking to how models, data and workflows fit together, identifying architectural improvements needed to scale decisioning and reduce time-to-production. Claims is one of Marshmallow's most important customer touchpoints, a

Senior Data Scientist to lead advanced optimisation projects and champion the development of robust, sustainable ML architectures. You will work closely with other Senior and Staff Data Scientists to shape the architecture of our decisioning systems. You will be responsible for enhancing payment flo

As the Data Science Lead, youell combine technical leadership with commercial thinking, leading a team of Data Scientists whilst remaining hands-on in the design and delivery of production-ready Machine Learning solutions. We looking for a commercially minded Data Science Lead to join our Data Produ

As a Principal Data Scientist, you shape high‑impact, client‑relevant Data Science concepts and ensure strategic coherence across teams and domains. Mentor and guide other Data Scientists, supporting their professional growth and conceptual thinking. Census data is integrated across several solu

As a Data Scientist, you will work at the intersection of data science and production systems, deploying advanced statistical models and machine learning methodologies directly within operational environments. Proficiency in SQL and working with large‑scale structured datasets. You love uncovering

Relation seeks a Senior Data Scientist to help build generative and predictive models of cellular behaviour using single-cell multiomics. You will bridge experimental and ML teams, developing scalable pipelines, evaluating models, and contributing to publications while advancing data-driven medicine

On is seeking a Principal Data Scientist specializing in Personalization and Customer Algorithms to set the strategic direction for customer modeling across On.

About Us At the company, we are on a mission to help build a better Internet.Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers rangin.Technical Escalations Engineer 2 (Revenue and Cost Management) - APJ.As the co

NielsenIQ is seeking a Principal Data Scientist to shape high‑impact, client‑relevant Data Science concepts and ensure strategic coherence across teams and domains.

Synthires is seeking Senior Data Scientists to contribute to advanced AI research and evaluation projects. You will assess AI-generated data science outputs, perform statistical analyses, and provide technical feedback to improve model performance. Ideal candidates bring data science, ML, and analyt

Senior Operations Research Data Scientist Contract | £600-£900/day | Hybrid London. They are not looking for purely analytical data scientists or academic optimisation specialists. We are working with a major international transport and operations organisation building out a central AI and Data Sc

SBS is seeking a Lead/Principal Data Scientist in the UK to shape and deliver advanced data science solutions across products and client engagements. You will develop scalable AI/ML models, guide best practices, and mentor teams while partnering with Product and Engineering to embed AI capabilities

Partner with data engineers to evaluate and reconcile datasets produced by different systems and teams — pricing, risk, execution, treasury — into consistent, joinable schemas. Analyze, design and curate core data products that integrate into our central data and AI platform. Design and build a

Partner closely with wet lab scientists from screen and cohort design through to interpretation, so experiments are analytically tractable and pipelines maximise data value. The opportunityRelation is offering an outstanding opportunity for a Senior Data Scientist to help build the next generation o

Data Science Festival is seeking a Staff Data Scientist based in London, offering a salary of £120K – £140K plus equity. The ideal applicant will possess strong Python and SQL skills, experience with geospatial data, and the ability to build impactful data products. This strategic role focuses o

Mentoring and developing other data scientists and team members, actively contributing to the growth and technical excellence of the organisation. As a Lead Data Scientist, you'll take on a pivotal, entrepreneurial role, functioning as the technical expert who thrives on complexity and commercial im

Sanderson Government & Defence is seeking a Data Scientist with active SC clearance for a 6-month contract in a hybrid working environment. The role offers a day rate of £570 and requires close collaboration with Engineering and MI teams to deliver data-driven insights. The successful candidate wil

About Us At the company, we are on a mission to help build a better Internet.Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers rangin.Technical Escalations Engineer 2 (Revenue and Cost Management) - APJ.As the co

We're looking for a Lead Data Scientist to help shape the next generation of consumer-level credit scoring and portfolio valuation models. As a Lead Data Scientist within credit risk modeling, you will shape Klarna's next-generation consumer-level credit scoring and portfolio valuation models. Knowl

Capstone Investment Advisors is seeking a data-focused professional in London to join the Data and AI group. You’ll integrate diverse data sources, work with quants and engineers, and develop data-driven decisions for investment strategies. The role emphasizes problem-solving, collaboration and in

Junction is seeking a Data Scientist to drive high-priority data science initiatives across diagnostics and clinical workflows.

Tripadvisor is seeking a Principal Product Data Scientist to shape vision, set the technical direction, and drive strategic impact through innovative analytical solutions. You will partner with Product, Engineering, Design, and Commercial teams to define metrics, build scalable data platforms, and a

Expedia Group is seeking a Senior Data Scientist in London to provide analytics and decision support for the Localization product within Content Product Analytics.

You will work closely with other scientists and software engineers to provide technical leadership and strategic direction, while driving innovation in our AI capabilities. You'll have access to vast, proprietary datasets unavailable elsewhere, significant GPU computing infrastructure capable of sup

We are a fast-growing, collaborative team of Data Scientists and Machine Learning Engineers sitting within Technology. As a Principal Data Scientist specializing in Personalization and Customer Algorithms, your mission is to set the strategic direction for customer modeling across On. Break down com

United Kingdom is looking for a Principal Data Scientist to lead data science efforts across multiple programmes. This role demands expertise in data science, leadership, and the capability to turn analytics into impactful business results. The ideal candidate will excel in designing scalable data s

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