Data Scientist Jobs in Wales, United Kingdom

Data Science Team at Code First Girls builds AI-driven solutions for client enterprises. The role leads generative AI projects from ideation through MVP and enterprise deployment, collaborating with senior data scientists and cross‑functional stakeholders.

Analytics team at Focal Systems builds AI-driven retail solutions that automate and optimize brick‑and‑mortar stores. The Senior Data Scientist owns end‑to‑end analytical problems, designs experiments, builds predictive and inferential models, and translates insights into product and operational improvements.

Data Science practice at Informed Solutions builds end‑to‑end data science solutions for public and private sector clients, driving digital transformation and AI innovation. The Senior Data Scientist designs, develops, tests and deploys advanced models, mentors junior practitioners, and collaborates with engineering and UX teams to ensure robust, compliant solutions.

Join 10,000 Black Interns as a Data Scientist intern, contributing to data-driven projects across multiple sites in the East of England. You’ll analyze large datasets, build predictive models, and collaborate with cross-functional teams to uncover insights that drive decision-making.

As a Data Scientist within the Data Distribution and Analytics department, you will develop machine learning solutions and perform statistical analysis to inform strategic, data-driven business decisions and initiatives. You will extract valuable insights from vast datasets, develop predictive models, and collaborate with stakeholders from areas such as Fraud, Responsible Gambling, Trading and Branding to identify opportunities and solve complex problems.

A dynamic Data Scientist internship offers hands‑on experience in data analysis, modeling, and machine learning within a collaborative environment. Interns work closely with senior data scientists to extract insights from large datasets, develop predictive models, and support data‑driven decision‑making across the organization.

As a Data Scientist within the Data Distribution and Analytics department, you will develop machine learning solutions and perform statistical analysis to inform strategic, data-driven business decisions and initiatives. You will extract valuable insights from vast datasets, develop predictive models, and collaborate with stakeholders from areas such as Fraud, Responsible Gambling, Trading and Branding to identify opportunities and solve complex problems.

Viridien, an advanced technology and Earth data company, drives sustainable solutions through its Data Hub. As a Data Scientist you will design and maintain data‑processing pipelines, collaborate with SMEs and labeling teams, and develop ML models to enhance data products. Based in Llandudno, United Kingdom, hybrid model with up to 2 days remote per week, relocation assistance available.

Associate Data Scientist (HEO) role at ONS offers a 6‑month contract to build early‑career data science pipeline. Working hybrid in Newport or Titchfield, you’ll join multidisciplinary teams of Data Scientists, Engineers and Software Engineers.

RealAdvisor is a leading European real estate digital platform supporting 7,000+ agencies and 10+ million users annually, with a mission to help real estate professionals grow through data, transparency, and smart technology. As a business-oriented Data Scientist, you will consolidate and analyze diverse product, marketing, and transactional data, build ML models and experiments to drive subscription growth, and translate insights into concrete product and marketing actions.

Data Science Teams at Monzo are building the bank of the future, focusing on real‑time analytics and data‑driven decision making. As Lead Data Scientist you will define data strategy, champion experimentation best practices, and mentor a growing team while partnering with product, engineering, design and research to shape new features.

The Applied Decision Science (ADS) team at Signifyd builds production ML models and risk management tools that form the core of Signifyd's fraud prevention product, helping merchants minimize fraud exposure and grow sales. As a Data Scientist II, you will own the end-to-end development, deployment, and evaluation of ML models that assess transaction riskiness, partner with business units to identify decisioning gaps, build automation to reduce repetitive work, run experiments to optimize decisio

Arcadis is seeking a Senior Data Scientist to join the Solutions Delivery group within the Asset Management service area in Sheffield, United Kingdom. The role leads and oversees technical delivery of digital and analytical solutions for large asset-owning organisations across water, rail, road, and government sectors.

Underwriting Analytics team at Coalition focuses on measuring, understanding, and optimizing underwriting through data-driven insights. The Senior Data Scientist develops statistical and machine learning models to assess cyber risk, creates risk signals for underwriting, and leads cross‑functional initiatives with actuarial, product, and engineering teams.

Growth Team at Lovable builds the end‑to‑end growth funnel, turning acquisition, activation, retention and expansion insights into product experiments. The Data Scientist owns funnel metrics, designs and runs A/B and growth tests, and builds instrumentation and agents that surface opportunities proactively.

Tech Engineering at Gymshark leads the development of scalable, production‑grade data science solutions that power the company's e‑commerce experience. The Lead Data Scientist provides technical leadership across multiple initiatives, guiding modelling approaches, ensuring robust ML deployment, and mentoring the data science team while collaborating with data architecture and engineering partners.

Data Science Practice at Informed Solutions leads digital transformation for public and private sector clients. The role designs, builds and deploys end‑to‑end data science solutions, mentors junior practitioners and drives technical excellence across engagements.

AI and Data Practice at Kainos builds production‑grade AI solutions for government, healthcare, defence and commercial sectors. The Data Scientist Manager leads delivery of advanced AI/ML systems, drives modern AI development and cloud‑native architecture adoption, and provides technical leadership across stakeholder engagements.

Technology team at Code First Girls drives AI and data transformation for client projects. The Senior Data Scientist builds and deploys AI/ML and Generative AI models, writes patents and research papers, and translates data insights into business decisions.

Flutter UK & Ireland Trading Team powers performance and customer experiences across Paddy Power, Betfair and Sky Betting & Gaming. As Lead Data Scientist in the Pricing function you will develop predictive pricing models, design and coordinate experiments, build monitoring systems and translate insights into strategy while leading a team of senior data scientists.