Senior Data Scientist jobs in Cardiff – Browse 49 openings on RoboApply Jobs

Senior Data Scientist jobs in Cardiff

Open roles matching “Senior Data Scientist” with location signals for Cardiff. 49 active listings on RoboApply Jobs.

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companyMonzo Bank Ltd. logo
Senior Data Scientist

Monzo Bank Ltd.

Full-time|Remote|Cardiff, London or Remote (UK)

Join the dynamic team at Monzo Bank as a Senior Data Scientist, where you will leverage your expertise to drive data-driven decision-making and enhance our innovative banking solutions. You will be at the forefront of transforming complex data into actionable insights, collaborating closely with cross-functional teams to improve our products and services.

Feb 27, 2026
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companyMonzo logo
Full-time|ÂŁ80K/yr - ÂŁ95K/yr|Remote|Cardiff, London or Remote (UK)

Join us in our mission to make money accessible for everyone.We are revolutionizing the banking experience by moving away from the complexities of traditional banking.Starting as a prepaid card, our offerings have expanded significantly over the past decade in the UK. We now provide personal and business accounts, joint accounts, accounts for 16-17 year olds, a free kids account, and credit cards, with even more exciting features on the horizon. Our customers can also save, invest, and manage their pensions with us.With our vibrant coral cards and the get-paid-early feature, along with financial education via social media and our award-winning customer service, we have consistently created outstanding experiences for our users!At Monzo, it's not about selling products—it's about solving problems and transforming lives through innovative banking London | UK remote | £80,000 to £95,000 + Stock Options + Benefits | Hear from the teamAbout Our Data Science Team:We are seeking a Senior Product Data Scientist who is eager to help shape the future of banking. You will have the chance to significantly enhance our user engagement in 2025 and help create a bank that customers genuinely appreciate.At Monzo, we are building a banking platform that is equitable, transparent, and enjoyable to use. We are experiencing rapid growth with over 11 million customers in the UK, and over 80% of our growth is driven by word of mouth and referrals.Empower Monzo to Make Informed Decisions More Quickly

Feb 16, 2026
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companyMonzo logo
Full-time|ÂŁ95K/yr - ÂŁ130K/yr|Remote|Cardiff, London or Remote (UK)

Join us in our mission to revolutionize banking for everyone.We’re moving away from the complexities of traditional banking.Starting from a prepaid card, Monzo has significantly expanded its offerings over the past decade in the UK. We now provide a range of financial products including personal and business bank accounts, joint accounts, accounts for 16-17 year olds, a free kids account, and credit cards. Additionally, our UK customers can save, invest, and manage their pensions all in one place.With our signature hot coral cards and features like get-paid-early, complemented by financial education on social media and award-winning customer service, we have a proven track record of creating memorable experiences for our customers!At Monzo, we prioritize problem-solving and transforming lives rather than merely selling products London or Barcelona | UK Remote | £95,000 to £130,000 + Stock Options + Benefits| Technology - Data About Our Data Science Teams:We are on the lookout for a Lead Data Scientist who is eager to contribute to the creation of the bank of the future. This role presents an exciting opportunity to enhance our user engagement as we aim for 2025 and help us build a bank that our customers will truly adore.At Monzo, we are committed to building a bank that embodies fairness, transparency, and user-friendliness. Our rapid growth has led us to serve over 11 million customers in the UK, and more than 80% of our expansion is driven by word-of-mouth and referrals.Empower Monzo to Make Better Decisions, Faster

Feb 2, 2026
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companyMonzo Bank Limited logo
Full-time|Remote|Cardiff, London or Remote (UK)

As a Senior Machine Learning Scientist at Monzo, you will play a pivotal role in driving our borrowing products forward. Collaborating closely with cross-functional teams, you will leverage advanced machine learning techniques to develop innovative solutions that enhance our customers’ experiences. Your expertise will guide the design and implementation of algorithms that improve risk assessment, credit scoring, and personalized lending strategies.

Mar 6, 2026
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companyLegal & General logo
Full-time|On-site|Cardiff

Legal & General is hiring a Senior Data Analyst for a 6-month fixed-term contract in Cardiff. This position centers on working with complex data sets to inform decisions and shape strategy within retail operations. Key responsibilities Analyze large and diverse data sets to identify trends and provide actionable insights Support strategic planning and drive operational improvements across retail teams Contribute to refining data processes and improving reporting methods Help maintain strong client service by providing reliable, data-driven analysis to guide business decisions Contract details 6-month fixed-term contract Location: Cardiff

Apr 22, 2026
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companyAECOM logo
Full-time|On-site|Cardiff

Join AECOM as a Principal Water Quality Scientist/Modeller in Cardiff, where you will play a pivotal role in advancing water quality initiatives. As a leader in this field, you will utilize your expertise to analyze, model, and propose innovative solutions to complex water quality challenges. This position offers a unique opportunity to collaborate with multidisciplinary teams, contributing to sustainable water management projects that positively impact communities.

Apr 9, 2026
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companyMonzo Bank Ltd. logo
Full-time|Remote|Cardiff, London or Remote (UK)

Role overview Monzo Bank Ltd. seeks a Data Protection Manager focused on safeguarding customer data and maintaining strong privacy standards. This role offers flexibility: work from Cardiff, London, or remotely anywhere in the UK. What you will do Take the lead in making sure Monzo meets all data protection laws and regulatory requirements. Collaborate with teams throughout the organisation to improve data governance and protection processes. Help maintain Monzo’s standards for transparency and security when managing customer information.

Apr 21, 2026
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companyLegal and General logo
Full-time|On-site|Cardiff

Role overview Legal and General is seeking a Data Analyst in Cardiff. This role focuses on turning complex data into clear, useful insights for the business. The position involves working closely with a team of data professionals to spot trends, inform decisions, and strengthen data-driven strategies.

Apr 17, 2026
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companyLegal & General logo
Full-time|On-site|Cardiff

Role Overview Legal & General is hiring a Data & Insight Analyst in Cardiff. This position focuses on turning data into clear insights that inform business decisions. The analyst works closely with data sets, applying statistical methods and visualization tools to identify trends and support ongoing projects. What You Will Do Analyze business data to identify patterns and key findings Use data visualization tools to present insights clearly Apply statistical techniques to support strategic planning Contribute to initiatives that help shape company direction Location This role is based in Cardiff.

Apr 17, 2026
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companyMonzo Bank Ltd. logo
Full-time|Remote|Cardiff, London or Remote (UK)

Join Monzo Bank as a Senior Analytics Engineering Manager, where you will lead a dynamic team of analytics professionals in transforming data into actionable insights. You will play a pivotal role in shaping our analytics strategy, driving innovation, and ensuring our data architecture meets the evolving needs of our organization. This is an exciting opportunity for an individual passionate about data and analytics leadership.

Apr 3, 2026
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companyLegal & General Group Plc logo
Full-time|On-site|Cardiff

Role overview Legal & General Group Plc seeks a Data Analyst for a 6-month fixed-term contract in Cardiff. This role centers on interpreting data and providing insights that guide strategic decisions throughout the company. Main responsibilities Analyze data sets to uncover trends and patterns. Present clear, actionable insights that support business operations. Work with different departments to ensure data remains accurate and reliable. Location and contract details Based in Cardiff. 6-month fixed-term contract.

Apr 22, 2026
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companyUSA Survey Job logo
Part-time|Remote|Cardiff, South Glamorgan

Join Our Team as a Remote Data Entry Specialist - Part Time!We are seeking enthusiastic individuals from across the nation to engage in insightful polls and surveys - Apply Today!This position allows you to earn supplementary income from the comfort of your home (remote work) while having the flexibility to create your own schedule. As a Data Entry Specialist, you will undertake various responsibilities including data entry, email correspondence, product reviews, surveys, and other online tasks.This remote job opportunity is incredibly fulfilling and plays a critical role in shaping market trends and influencing the development of new products. You'll even have the chance to preview products before their public release and participate in testing. Your contributions will help companies gather valuable data to predict trends and inform future business strategies.- Earn by participating in polls- Choose from various payment options, including PayPal, direct deposit, or online gift cards.- Part-Time HoursAPPLY NOW : https://www.usasurveyjobboard.com/jobs/25958222-work-at-home-data-entry-agent-part-time-at-usasjbApply:If you are self-driven, thrive working independently from home, and find fulfillment in tasks such as email customer service, data entry, and product reviews, we want to hear from you!Data entry specialists come from diverse backgrounds, including data entry, telemarketing, customer service, sales, administrative support, and more!APPLY NOW : https://www.usasurveyjobboard.com/jobs/25958222-work-at-home-data-entry-agent-part-time-at-usasjb

Dec 2, 2019
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companyMonzo Bank Ltd. logo
Full-time|Remote|Cardiff, London or Remote (UK); London

Role Overview Monzo Bank Ltd. is looking for a Head of Workforce Management, Data to guide workforce strategy through data-driven insights. This role can be based in Cardiff, London, or remote within the UK. What You Will Do Lead a team focused on workforce data analysis and insight generation. Develop strategies to improve operational efficiency and effectiveness. Work closely with teams across the business to align staffing with business needs. Support efforts to enhance customer experience through workforce planning. Location Cardiff, London, or remote (UK).

Apr 13, 2026
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companySpeechify logo
Full-time|Remote|Cardiff, United Kingdom

Speechify aims to remove reading barriers for learners everywhere. More than 50 million people use our text-to-speech tools to turn PDFs, books, Google Docs, news articles, and websites into audio. This helps users read faster, cover more material, and remember more. Our products include apps for iOS, Android, Mac, a Chrome extension, and a web app. Google named Speechify the Chrome Extension of the Year, and Apple awarded us the 2025 Design Award for Inclusivity. The Speechify team is fully remote, with nearly 200 people across the globe. Our group includes frontend and backend engineers, AI research scientists, and team members from companies like Amazon, Microsoft, and Google, as well as top PhD programs such as Stanford. Role Overview The Data team within Speechify’s AI division is looking for a Software Engineer focused on data infrastructure and acquisition. This position plays a key part in collecting and managing the large-scale datasets that power our model training. The team’s goal is to build high-quality datasets at petabyte scale and keep costs low by tightly integrating infrastructure, engineering, and research. What You Will Do Find and bring in new audio data sources for the ingestion pipeline. Maintain and grow the cloud infrastructure for data ingestion, currently on Google Cloud Platform (GCP) and managed with Terraform. Work with scientists to improve data cost, throughput, and quality, supporting the creation of advanced models. Partner with the AI team and company leadership to shape the dataset roadmap for future consumer and enterprise products. Location This role is based in Cardiff, United Kingdom.

Apr 20, 2026
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companyUSA Survey Job logo
Part-time|$0/yr - $0/yr|Remote|Cardiff, South Glamorgan

Join our dynamic team at USA Survey Job as a Remote Data Entry Clerk! Work from the comfort of your home while earning extra income by participating in paid studies. This part-time role allows you to choose your own schedule and offers diverse tasks including data entry, email responses, product evaluations, and other online assignments. Not only will you earn up to $35 per completed survey, but you'll also have the chance to influence market trends and test products before they hit the shelves. This is a rewarding opportunity to contribute to valuable market research and business decision-making.

Aug 11, 2020
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companyRamboll Group logo
Full-time|On-site|Cardiff

Ramboll is on an exciting journey as we expand our Data Centre Projects Team in the UK and Ireland! We are looking for motivated individuals who are eager to contribute to innovative projects that make a difference in the digital landscape. As a member of our team, you will play a key role in delivering high-quality data centre solutions that meet our clients' needs.

Dec 16, 2025
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companyjobsforhumanity logo
Full-time|On-site|Cardiff

As a Senior Engineer at jobsforhumanity in Cardiff, this position centers on using technical expertise to help build solutions with real impact. The team values new ideas and aims to create products that matter. Role overview This role calls for strong engineering skills and a collaborative approach. The Senior Engineer will contribute to projects that support the company’s mission and help shape the direction of ongoing work. What you will do Apply technical knowledge to develop and improve solutions Work alongside colleagues to deliver projects with purpose Support efforts that drive positive change within the organization Requirements Experience in an engineering role at a senior level Ability to contribute ideas and technical insight to team projects

Apr 30, 2026
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companyMonzo logo
Full-time|ÂŁ76.5K/yr - ÂŁ95K/yr|Remote|Cardiff, London or Remote (UK)

Join us in revolutionizing banking for everyone.At Monzo, we are dedicated to transforming the traditional banking experience into something simple and accessible. Over the past decade, we've evolved from a prepaid card into a comprehensive financial platform. Our offerings now include personal and business bank accounts, joint accounts, accounts for teens, a kids account, and credit cards. We also empower our UK users to save, invest, and manage their pensions with us.With our signature hot coral cards, early payment features, and award-winning customer service, we pride ourselves on creating remarkable experiences for our customers. We aim to resolve issues and enhance lives through Monzo London/Cardiff/UK Remote | ÂŁ76,500-ÂŁ95,000 + Benefits | Hear from the team Analytics Engineering at MonzoWe employ around 60 Analytics Engineers among 300 data practitioners and have ambitious goals for our team. As an Analytics Engineer, you'll play a crucial role in enhancing our data infrastructure to facilitate swift, informed decision-making at Monzo.

Feb 17, 2026
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companyAECOM logo
Full-time|On-site|Cardiff

Join our dynamic team at AECOM as a Senior Highways and Traffic Engineer, where you will play a pivotal role in shaping the future of transportation infrastructure. In this position, you will be responsible for leading the design and implementation of innovative highways and traffic management solutions. Your expertise will contribute to projects that enhance safety, efficiency, and sustainability in urban mobility.As a key member of our engineering team, you will collaborate with multidisciplinary professionals to deliver high-quality results. This role offers an exciting opportunity to work on a diverse range of projects, from large-scale urban developments to critical infrastructure upgrades.

Nov 12, 2025
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companyZeneducate logo
Full-time|ÂŁ45K/yr - ÂŁ60K/yr|On-site|Cardiff

Join Zen Educate as a Senior Account Manager in Newport, Wales, and play a pivotal role in revolutionizing the recruitment process for schools. We are seeking a passionate individual to build meaningful relationships with educational institutions, guiding them to smarter and more efficient hiring solutions. You'll work closely with school leaders, leveraging a consultative approach to understand their needs, while collaborating with our dynamic teams to enhance the overall experience. If you're ready to make a tangible impact and thrive in a fast-paced startup environment, we want to hear from you!

Dec 9, 2025

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