26 to 50 of 77 Senior Data Scientist Jobs in London

enterprises to enable the responsible adoption of AI worldwide. Read why Playfair Capital invested in Warden AI. About the role We are hiring a Senior Data Scientist to define the analytical standards that underpin our evaluation of high‐stakes AI systems. The role spans fairness evaluation, rigorous … place in us, and play a central role in establishing Warden as the standard‐setter for rigorous, defensible evaluations. As one of our early data hires, you will have high agency to shape both how our analytical function evolves and the scope of your own role as we grow. ...

have an annual web content reach over 350million. And we’re a long way from done! THE ROLE We're looking for a Senior Data Scientist to join our award‐winning Data Science team at a pivotal moment. Carwow operates a two-sided marketplace — connecting … buyers and sellers at scale — and data science sits at the heart of how we make that marketplace smarter, faster, and more valuable for everyone in it. In fact, we recently won GenAI initiative of the Year at the British Data Awards. This is a hands‐on, high ...

Role Responsibilities As a Senior Data Scientist, you'll help shape some of Western Union's most important growth and investment decisions by uncovering what truly drives customer growth, profitability, and long-term value. Partnering across Marketing, Product, Pricing, and Risk, you'll design experiments, build measurement … with stakeholders and help raise analytical, measurement, and experimentation standards across the business. Role Requirements Bachelor's degree in Statistics, Mathematics, Economics, Computer Science, Data Science, or a related quantitative discipline. 4–6 years of experience in Data Science, Product Analytics, Marketing Analytics, Growth Analytics, or a similar ...

carwow is seeking a Senior Data Scientist to join its award-winning Data Science team in the UK. You will own end-to-end ML and AI initiatives across pricing, marketing, recommendations, and CRM, delivering production-ready solutions in a fast-moving marketplace. You will partner ...

Anaplan in London is seeking a Senior Data Scientist to join our greenfield AI team. You will own end-to-end lifecycle from training to deployment in production-grade systems powering our enterprise planning platform. The role blends traditional predictive mathematics with Generative AI, requiring deep ...

Faculty is seeking a Senior Data Scientist to lead high‐impact AI projects and shape the technical direction of bespoke solutions. You will mentor junior colleagues and ensure delivery rigor while building strong client relationships. You will define data science approaches, design robust software architectures ...

Pearson is seeking a Senior Data Scientist for the Enterprise Learning & Skills team in London. You will lead end‐to‐end DS/ML projects, mentor teammates, and ship models into production, balancing quick wins with robust engineering. Focus areas include AI/OCR workflows, RAG systems ...

leading AI assurance company is seeking a Senior Data Scientist to define analytical standards for evaluating high-stakes AI systems. This role involves rigorous statistical analysis and the development of evaluation methodologies. The ideal candidate will have over 6 years of relevant experience and fluency in Python. … Responsibilities include creating consistent audit frameworks and influencing AI design through data-driven insights. The position offers a competitive salary, equity options, and a hybrid work model. #J-18808-Ljbffr ...

What Will You Do? As a Senior Data Scientist at Deliveroo, you will design, run and interpret experiments to guide product decisions in complex settings. You will apply advanced causal inference techniques to estimate long-term and heterogeneous treatment effects. Additionally, you will uncover the fundamental drivers ...

Everything that makes you unique is welcome; join us and let\'s build what\'s next - together! About The Role We are seeking a Senior Data Scientist to join our greenfield AI team in London. In this role, you won\'t just build models in isolation … from prototype into scalable, monitored, and reliable production microservices. Technical Mentorship: Actively contribute to code reviews, share technical best practices, and help mentor other data scientists and engineers on the team. Your Skills Strong hands-on professional experience in Artificial Intelligence, Machine Learning, or a highly quantitative field. Strong ...

Mellon in London seeks a Senior Specialist, Data Scientist to lead complex data analysis initiatives and develop predictive models that support business strategy and operational efficiency. You will partner with cross‐functional teams to design data‐driven solutions and ensure data integrity across large ...

LexisNexis Intellectual Property Solutions (LNIP) is seeking a Senior Data Scientist I to shape AI-driven capabilities within Protégé for PatentSight. You will design NLP/LLM strategies, define agentic workflows, and drive experiments translating results into scalable, customer-facing features. Collaborate with engineers and IP experts … align models with real-world needs, focusing on rigorous evaluation, reproducibility, and product impact within an innovative, data-driven environment. #J-18808-Ljbffr ...

Western Union is seeking a Senior Data Scientist to shape growth strategies and investment decisions by uncovering drivers of customer growth, profitability, and long-term value. You will design experiments, build measurement frameworks, and apply causal analysis to influence priorities across Marketing, Product, Pricing and Risk. ...

logistics innovation company in London is seeking a Senior Data Scientist to drive the simulation of their logistics network. You'll develop modular models that answer complex business questions regarding pricing and expansions. Ideal candidates will have strong modelling skills, proficiency in Python ...

Hastings Direct in the UK is seeking a Senior Data Scientist – Telematics to drive pricing and risk models using telematics data. Hybrid work across Bexhill, Leicester and London. You will develop ML models, collaborate with ML engineers to deploy them, monitor outcomes and present insights to stakeholders. ...

Lead Data Scientist We are seeking an experienced Lead Data Scientist to join a high-impact team developing predictive analytics and data products within a regulated financial services environment. Location - London Contract – Inside IR35 Working Pattern - Hybrid Skills & Experience This role will focus on transforming … large-scale customer datasets into robust, auditable predictive models, supporting forecasting, risk analysis and commercial data products. Key skills & experience Strong Python (Pandas, NumPy, Scikit-learn) and SQL skills. Experience with Snowflake or similar cloud data platforms. Proven track record building predictive models in regulated financial services environments. ...

easyJet seeks a Senior Manager Data Scientist to lead the Ops Data & Intelligence team, delivering predictive models to improve on‐time performance, cost efficiency and customer satisfaction across a multi‐route network. You will mentor a 5‐person team, translate business challenges into analytics and engage … stakeholders to prioritise projects. The role combines leadership with hands‐on data science in a hybrid working model. #J-18808-Ljbffr ...

Lead Data Scientist - Pricing & Personalisation (11‐month FTC, Hybrid London) Intro: An established, consumer‐facing brand is hiring a Lead Data Scientist for an 11‐month maternity cover. This is a rare chance to shape the future of pricing, revenue optimisation and personalisation across a high … profile digital loyalty and rewards business. The opportunity You’ll lead a small, ambitious data science team, owning the design and delivery of machine learning and optimisation models that drive dynamic pricing, customer intelligence and personalised experiences. You will be the day‐to‐day technical authority, partnering closely with ...

world's most loved drinks. We are a global business and one of the leading consumer goods companies in the world. Lead Data Scientist (Associate Director): About the Role: We are looking for an experienced and forward-thinking Lead Data Scientist to drive impactful data … role blends strategic leadership with hands-on delivery, offering the opportunity to shape innovative solutions while remaining deeply involved in execution. Working closely with senior stakeholders, you will help define, prioritise, and deliver high-value AI and data science projects that align with business goals. You will also ...

seeking a future team member for the role of Senior Specialist, Data Scientist to join our Markets team. This role is located in London. Responsibilities Lead complex data analysis initiatives using advanced statistical techniques and machine learning models to generate actionable insights that support business strategy … operational efficiency. Partner with cross‐functional teams to design and implement data‐driven solutions aligned to organizational priorities and business objectives. Manage and enhance large datasets while ensuring strong data integrity, accuracy, and adherence to data management and governance best practices. Develop, maintain, and improve predictive models ...

Join us as a Principle Data Scientist You’ll be identifying and working with data sets to solve difficult, non-routine analysis problems, applying advanced analytical methods as needed We’ll look to you to act as a role model and lead the data community … identify and deliver opportunities to support the bank’s strategic direction through better use of data This is an opportunity to achieve excellent exposure in a challenging role and to make a real impact with your work You’ll work from home some of the time ...

leading analytics company in London is seeking a Senior Principal Data Scientist to provide technical leadership in advanced analytics and machine learning. This role involves mentoring fellow data scientists and collaborating with cross-functional teams to deliver data-driven solutions, with a focus … aviation sector. Ideal candidates will have expertise in data management, strong programming skills in Python and SQL, and the ability to communicate complex ideas effectively. This position offers generous company benefits and opportunities for personal growth. #J-18808-Ljbffr ...

About the Role Data scientists on FTI's AI Build Team should have a pragmatic approach to problem‐solving and be capable of developing end‐to‐end solutions that clients can rely on in production. They should be capable of challenging their own work and finding a balance between … demand forecasting, predictive maintenance, price optimization, and developing and maintaining production‐grade agentic RAG systems that serve the entire firm. What You’ll Do Data Management Perform data availability/quality assessments Develop comprehensive ETL processes Data Analysis Perform exploratory data analysis and render key insights ...

Data Science Festival is seeking a Staff Data Scientist based in London, offering a salary of £120K – £140K plus equity. This strategic role focuses on geospatial data and operational optimization, requiring the candidate to lead product development and collaborate with multiple teams to improve movement patterns … efficiency. The ideal applicant will possess strong Python and SQL skills, experience with geospatial data, and the ability to build impactful data products. Candidates should be ready to tackle complex real-world data challenges. #J-18808-Ljbffr ...

Depop is seeking a Senior Product Data Scientist to join the Insights team. You’ll partner with product, engineering and ML to deliver insights, drive experimentation, and shape the future of Depop’s product ecosystem. You’ll translate complex data into clear narratives and influence roadmap … priorities. You’ll own analytics for core areas, build dashboards, run experiments, and translate data into actions that impact product decisions and marketplace outcomes. #J-18808-Ljbffr ...