1 to 25 of 111 Permanent Data Science Jobs in Wales

Head of Data Science and AI (SC) | 12-Month Contract (Somerset, Hybrid) 📍 Location: Commutable from Bristol (Somerset) - Hybrid ⏳ Contract: 12 Months 💰 Day Rate: Competitive - Inside IR35 🏢 Industry: Government Defence | Data | AI & Machine Learning 🔐 Security Clearance: Active SC clearance preferred but not essential—candidates must be eligible for … clearance . The Opportunity Our client, a leading Data enabler in the government defence sector , is seeking an experienced Head of Data Science and AI to drive AI innovation, automation, and data science strategy. This high-impact role will lead a team of data … stakeholders to operationalise machine learning , enhance automation, and ensure responsible AI governance. This is an exciting opportunity to shape the future of AI and data science within a Microsoft-centric technology environment using Azure cloud solutions. Key Responsibilities 🔹 Develop and execute the AI and Data Science More ❯

Data Scientist Up to £90,000pa Remote Based About the Role We are seeking a hands-on Data Scientist to join our team as our first dedicated data science hire. This is a unique opportunity to build our AI and data capability from the ground … up, working directly with leadership to establish data-driven decision making across the organization. The successful candidate will have the potential to grow and lead a data science team as we scale. Key Responsibilities Design and implement data science solutions to drive business insights and … decision-making Build and deploy machine learning models to solve real business problems Develop and maintain data pipelines and analytics infrastructure on Azure Collaborate with cross-functional teams to identify opportunities for data-driven improvements Establish best practices for data science workflows, model deployment, and monitoring More ❯

Data Scientist Up to £90,000pa Remote Based About the Role We are seeking a hands-on Data Scientist to join our team as our first dedicated data science hire. This is a unique opportunity to build our AI and data capability from the ground … up, working directly with leadership to establish data-driven decision making across the organization. The successful candidate will have the potential to grow and lead a data science team as we scale. Key Responsibilities Design and implement data science solutions to drive business insights and … decision-making Build and deploy machine learning models to solve real business problems Develop and maintain data pipelines and analytics infrastructure on Azure Collaborate with cross-functional teams to identify opportunities for data-driven improvements Establish best practices for data science workflows, model deployment, and monitoring More ❯

for machine learning and a drive to stay ahead of the curve, you'll be instrumental in shaping the future as the industry evolves. Data and technology are at the heart of our business strategy, propelling our market-leading products forward and, with the support of a dedicated Claims … Data Science team that delivers AI and machine learning for our Claims Departments in Motor and Household, helps provide essential assistance to our customers in their time of need. Admiral is committed to leveraging Data & ML for the greater good, enhancing both customer and employee experiences. Our … innovation thrives, and every voice is heard. Whether it be assessing claims severity, streamlining the claims journey or fraud detection the opportunities to leverage data for transformation are endless. Our work spans a variety of approaches, dealing with both structured and unstructured data challenges. Through harnessing the power More ❯

for machine learning and a drive to stay ahead of the curve, you'll be instrumental in shaping the future as the industry evolves. Data and technology are at the heart of our business strategy, propelling our market-leading products forward and, with the support of a dedicated Claims … Data Science team that delivers AI and machine learning for our Claims Departments in Motor and Household, helps provide essential assistance to our customers in their time of need. Admiral is committed to leveraging Data & ML for the greater good, enhancing both customer and employee experiences. Our … innovation thrives, and every voice is heard. Whether it be assessing claims severity, streamlining the claims journey or fraud detection, the opportunities to leverage data for transformation are endless. Our work spans a variety of approaches, dealing with both structured and unstructured data challenges. Through harnessing the power More ❯

Senior Data Scientist - Marketing Focus Are you a highly skilled Data Scientist with a passion for marketing and a knack for driving impact across diverse business lines? We're partnering with a leading enterprise operating across five distinct sectors, including Cruise, Travel, Insurance, Money, and Publishing, to find … a pivotal Senior Data Scientist for their Group-level Marketing team. This is an exceptional opportunity to join a company that is heavily invested in its data capabilities. You'll be part of a small, dynamic team at the forefront of leveraging Machine Learning and AI to inform … strategic marketing decisions across all five businesses. The organisation made its first Data Science hire years ago and has since built a robust data foundation, ensuring you'll hit the ground running with excellent resources. What you'll bring: Proven experience in a Marketing Data Science More ❯

Senior Data Scientist - Marketing Focus Are you a highly skilled Data Scientist with a passion for marketing and a knack for driving impact across diverse business lines? We're partnering with a leading enterprise operating across five distinct sectors, including Cruise, Travel, Insurance, Money, and Publishing, to find … a pivotal Senior Data Scientist for their Group-level Marketing team. This is an exceptional opportunity to join a company that is heavily invested in its data capabilities. You'll be part of a small, dynamic team at the forefront of leveraging Machine Learning and AI to inform … strategic marketing decisions across all five businesses. The organisation made its first Data Science hire years ago and has since built a robust data foundation, ensuring you'll hit the ground running with excellent resources. What you'll bring: Proven experience in a Marketing Data Science More ❯

What you'll be doing We're looking for a curious, and technically experienced Data Scientist to join our Data & BI team, reporting to the Data Science Manager. Sitting at the intersection of data, AI, and digital content, you will support key strategic goals across … grow licensing revenue, and promote our position as a trusted source in an evolving AI-driven ecosystem. You may also work on our customer data platform, developing analytics and data products that power personalisation, smart recommendations, and actionable customer insights. This is a hands-on, exploratory role with … in an AI-powered media landscape. Experience that will put you ahead of the curve An understanding of statistics A proficiency in python for data science skills Experience with cloud compute platforms, like GCP Experience deploying data science solutions is desirable but not essential Experience with More ❯

Job Title: Data Science Intern (Remote, Summer Internship – 3 Months) Company: HIRIST – IT Recruitment Partner (Hiring on behalf of a reputed IT client) Location: Remote Job Type: Internship (Part-time, Temporary, Remote) Duration: 3 Months | Flexible Start Date | 15–20 hours/week commitment About the Opportunity: HIRIST … is hiring Data Science Interns for a remote summer internship program with one of our IT clients. This is a hands-on, project-based opportunity designed for students or early-career professionals looking to gain real-world experience in a collaborative data science environment. Key Responsibilities … Support senior data scientists on active projects. Clean, organize, and analyze datasets for business insights. Contribute to feature engineering and model building. Learn how A/B tests and data experiments are structured and interpreted. Assist in creating dashboards and visualizations for decision-making. Required Qualifications: Basic knowledge More ❯

Job Title: Data Science Intern (Remote, Summer Internship – 3 Months) Company: HIRIST – IT Recruitment Partner (Hiring on behalf of a reputed IT client) Location: Remote Job Type: Internship (Part-time, Temporary, Remote) Duration: 3 Months | Flexible Start Date | 15–20 hours/week commitment About the Opportunity: HIRIST … is hiring Data Science Interns for a remote summer internship program with one of our IT clients. This is a hands-on, project-based opportunity designed for students or early-career professionals looking to gain real-world experience in a collaborative data science environment. Key Responsibilities … Support senior data scientists on active projects. Clean, organize, and analyze datasets for business insights. Contribute to feature engineering and model building. Learn how A/B tests and data experiments are structured and interpreted. Assist in creating dashboards and visualizations for decision-making. Required Qualifications: Basic knowledge More ❯

Who are Inference Group? Are you ready to be a part of a company that’s redefining the future of data and AI? Welcome to Inference Group, where we’re not just a tech startup – we’re a team of passionate innovators dedicated to empowering businesses through the transformative … power of data, machine learning, and AI. At Inference Group, we’re on a mission to help businesses unlock their true potential and drive sustainable growth. As we rapidly expand, we’re looking for like-minded, creative technical experts who want to make a real impact. Here, you’ll … work alongside leading experts in data, AI, and technology, guiding clients to harness the full potential of their data. Join us, and you’ll be at the forefront of the data and AI revolution. You’ll have the opportunity to turn cutting-edge concepts into scalable, operational solutions More ❯

Who are Inference Group? Are you ready to be a part of a company that’s redefining the future of data and AI? Welcome to Inference Group, where we’re not just a tech startup – we’re a team of passionate innovators dedicated to empowering businesses through the transformative … power of data, machine learning, and AI. At Inference Group, we’re on a mission to help businesses unlock their true potential and drive sustainable growth. As we rapidly expand, we’re looking for like-minded, creative technical experts who want to make a real impact. Here, you’ll … work alongside leading experts in data, AI, and technology, guiding clients to harness the full potential of their data. Join us, and you’ll be at the forefront of the data and AI revolution. You’ll have the opportunity to turn cutting-edge concepts into scalable, operational solutions More ❯

Data Science Manager Remote (UK applicants only) £75k Please note, this role doesn't offer sponsorship Harnham are exclusively partnering with a fast-growing start-up with 30 people globally. As a business, they are currently making over £1 million in ARR and have a very strong pipeline. … The Company This business provide essential insights to investors and hedgefunds, helping them steer their investments. They track data across 200 companies and are making a real impact. The Role As a Data Science Manager, you will be: Managing a team of 3/4. Building models … trackers, such as linear regression and statistical models. Accessing API integration of different software, working with databases and supporting the revenue team with their data analysis requirements. Skills & Experience Statistics Data Science Modelling - Linear Regression, Attribution... Python Web Scraping would be ideal Interest or Background in Finance More ❯

Data Science Manager Remote (UK applicants only) £75k Please note, this role doesn't offer sponsorship Harnham are exclusively partnering with a fast-growing start-up with 30 people globally. As a business, they are currently making over £1 million in ARR and have a very strong pipeline. … The Company This business provide essential insights to investors and hedgefunds, helping them steer their investments. They track data across 200 companies and are making a real impact. The Role As a Data Science Manager, you will be: Managing a team of 3/4. Building models … trackers, such as linear regression and statistical models. Accessing API integration of different software, working with databases and supporting the revenue team with their data analysis requirements. Skills & Experience Statistics Data Science Modelling - Linear Regression, Attribution... Python Web Scraping would be ideal Interest or Background in Finance More ❯

Next-gen diagnostics start-up Take ownership of data strategy and architecture from the ground up. Flexible, remote-first working with visits to a high-impact biotech lab. Cutting-edge work combining AI, genomics, and diagnostics to save lives. We’re working with a biotech start-up that’s … device and with AI, machine learning, and their own DNA sequencing tech in play, they’re solving incredibly complex problems at the intersection of science and software. What you’ll be doing: Following a successful product launch and securing Series A funding, they’re scaling fast and now looking … for their very first Data Engineer. You’ll take the reins on all things data - shaping the architecture, strategy, and pipeline design that supports a life-saving platform. You’ll be leading on the design and implementation of scalable, secure data pipelines - getting experimental and genomic data More ❯

The Vacancy Are you a Principal Data Scientist looking to join an organisation where what you do genuinely makes an impact? Where you are empowered, heard and able to think creatively? Then look no further because we are what you have been looking for! We are looking for a … Senior Principal Data Scientist with strong technical skills using either Python or R, experience leading teams and the ability to communicate with both technical and non-technical teams across the business. This role sits within Optum UK Health Analytics team responsible for taking large data sets from various … sources and converting them into meaningful insights on UK healthcare. You will play a key role in developing and implementing Optum UK’s data science capabilities in the UK. Integrated within the UK Product team, you will use artificial intelligence (AI) models to create new and augment existing More ❯

The Vacancy Are you a Principal Data Scientist looking to join an organisation where what you do genuinely makes an impact? Where you are empowered, heard and able to think creatively? Then look no further because we are what you have been looking for! We are looking for a … Senior Principal Data Scientist with strong technical skills using either Python or R, experience leading teams and the ability to communicate with both technical and non-technical teams across the business. This role sits within Optum UK Health Analytics team responsible for taking large data sets from various … sources and converting them into meaningful insights on UK healthcare. You will play a key role in developing and implementing Optum UK’s data science capabilities in the UK. Integrated within the UK Product team, you will use artificial intelligence (AI) models to create new and augment existing More ❯

Key aspects of the role include: Data Pipeline Development: Architect, develop, and optimise data extraction, transformation, and loading (ETL) processes for high-volume healthcare data. Integration of NHS Systems Data: Work directly with NHS data sources and ensure seamless integration of systems like UDAL, NCDR, SUS+ … HES, and ODS into our analytics platform. System Performance: Monitor and enhance the performance of our data systems to ensure reliability and responsiveness. Collaboration: Partner with data scientists, analysts, and stakeholders to ensure that data solutions align with business needs and analytic strategies. Scalability & Security: Implement and … enforce best practices for data security, quality, and scalability across our data infrastructure. Essential Skills: Healthcare Data Expertise: Proven experience in designing and managing data solutions within healthcare environments. Demonstrated ability to work with NHS systems—such as UDAL, NCDR, SUS+, HES, and ODS—and to More ❯

Key aspects of the role include: Data Pipeline Development: Architect, develop, and optimise data extraction, transformation, and loading (ETL) processes for high-volume healthcare data. Integration of NHS Systems Data: Work directly with NHS data sources and ensure seamless integration of systems like UDAL, NCDR, SUS+ … HES, and ODS into our analytics platform. System Performance: Monitor and enhance the performance of our data systems to ensure reliability and responsiveness. Collaboration: Partner with data scientists, analysts, and stakeholders to ensure that data solutions align with business needs and analytic strategies. Scalability & Security: Implement and … enforce best practices for data security, quality, and scalability across our data infrastructure. Essential Skills: Healthcare Data Expertise: Proven experience in designing and managing data solutions within healthcare environments. Demonstrated ability to work with NHS systems—such as UDAL, NCDR, SUS+, HES, and ODS—and to More ❯

Data Scientist Swansea or Cardiff based 60000 - 70000 PA plus bonus The Company Opportunity to join a growing group of companies who provide the latest energy-efficient technologies in homes across the UK. The group is well established and work with utility partners, councils, landlord associations and private homeowners … whilst reducing carbon emissions. With offices in Cardiff and Swansea this award-winning organisation is in a period of growth and looking for a Data Scientist to join the team. The Role We are looking for a highly experienced Data Scientist to work with the senior management team … work hybrid remote on a flexible basis ensuring the needs of the business are met at all times. Duties and responsibilities will include: Mining data from a variety of company databases and systems Preparation of data for analysis Data analysis and interpretation, identifying patterns and potential insights More ❯

Data Scientist Swansea or Cardiff based £60000 - £70000 PA plus bonus The Company Opportunity to join a growing group of companies who provide the latest energy-efficient technologies in homes across the UK. The group is well established and work with utility partners, councils, landlord associations and private homeowners … whilst reducing carbon emissions. With offices in Cardiff and Swansea this award-winning organisation is in a period of growth and looking for a Data Scientist to join the team. The Role We are looking for a highly experienced Data Scientist to work with the senior management team … work hybrid remote on a flexible basis ensuring the needs of the business are met at all times. Duties and responsibilities will include: Mining data from a variety of company databases and systems Preparation of data for analysis Data analysis and interpretation, identifying patterns and potential insights More ❯

Senior Data Scientist - Cardiff, London, or Remote (UK) Visa Sponsorship Available Monzo Monzo is looking for a passionate and commercially minded Senior Data Scientist to join their dynamic team, based in Cardiff, London, or fully remote across the UK. This is an exciting opportunity for a data … make a real positive difference across the company, product, users, and team culture. The ideal candidate will have a strong ability to translate complex data into business insights, helping to drive strategic decision-making and growth. With a keen commercial awareness, the Senior Data Scientist will put numbers … join a forward-thinking, innovative environment. If you are eager to apply your expertise in a company that values collaboration, user-centric design, and data-driven innovation, apply now to build your future with Monzo. About Monzo We're on a mission to make money work for everyone. We More ❯

in today’s digital economy. Transforming the way thousands of global organizations do business by developing the most innovative technologies and processes in Big Data, the Internet of Things (IoT), Data Science, and Experience Design. We are one of the largest teams in Eastern Europe that stood … at the origins of data science, providing tons of experience and working with the best talents in the field. In the Data Science Center of Excellence, we contribute to a wide range of projects in different areas, domains, and technologies. The GenAI Strategy at SoftServe aims … to spearhead the development and implementation of intelligent software systems that integrate GenAI, AI, Data Analytics, MLOps, and Cloud infrastructure. IF YOU ARE A holder of a Ph.D. or master's Degree in Computer Science, or a related field Experienced in Generative AI and natural language processing (NLP More ❯

in today’s digital economy. Transforming the way thousands of global organizations do business by developing the most innovative technologies and processes in Big Data, the Internet of Things (IoT), Data Science, and Experience Design. We are one of the largest teams in Eastern Europe that stood … at the origins of data science, providing tons of experience and working with the best talents in the field. In the Data Science Center of Excellence, we contribute to a wide range of projects in different areas, domains, and technologies. The GenAI Strategy at SoftServe aims … to spearhead the development and implementation of intelligent software systems that integrate GenAI, AI, Data Analytics, MLOps, and Cloud infrastructure. IF YOU ARE A holder of a Ph.D. or master's Degree in Computer Science, or a related field Experienced in Generative AI and natural language processing (NLP More ❯

Data Engineer London (Hybrid) or Remote (UK) Up to £75k | 4-day workweek | | Unlimited leave About us Climate Policy Radar is on a mission to help people access and understand long climate documents. Nearly 350,000 users from over 100 countries already use our open databases and AI-based … part of that, we have embraced a flexible, hybrid approach to work, including a 4 day workweek. Role Overview: We are looking for a Data Engineer to join our Platform team. Working with the existing team of three engineers and collaborating with the data science and application … teams. In this role, you will help build and improve the data and machine learning infrastructure supporting our R&D and production platforms of high-impact tools and products for global climate law and policy, already serving 330,000 users annually and opening up 500,000 pages of climate More ❯