trainee data scientist jobs in Wales

Performance Data Scientist If you think you are the right match for the following opportunity, apply after reading the complete description. Department - Sport System Institute Services Salary - £41,574.01 (pro rata - £25,281.49) Working Hours - 3 days per week (22.5 hours) 12 months fixed term contract Location - Sport Wales National Centre, Cardiff Closing Date - 6th February 2026...

You will work on real production problems rather than research-only work, owning models from first iteration through to live deployment.

You will collaborate closely with other data scientists, data engineers, and DevOps, with the freedom to shape how GenAI and ML are used across the platform.

You will work across a variety of complex analytical problems, owning experimentation end-to-end—even when ideal conditions such as user randomisation or high statistical power are not present.

Data Scientist - £70k | Remote / Hybrid | FinTech / Payments We’re working with an established FinTech / Payments business that has been helping customers manage and move money globally for many years. The company builds technology-led products that support low-cost, multi-currency payments and money management, operating across several regulated markets. They’re now investing further in their...

A major media corporation is seeking a Principal Data Scientist to join their Content Creation AI team. The successful candidate will work closely with journalists and editors, using data science to enhance content production and curation. This role requires proficiency in Python, a deep understanding of machine learning techniques, and the ability to work effectively in a cross-functional team....

Job Title: Senior Scientist - Cyber AI (Artificial Intelligence) / ML (Machine Learning) Research Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. Location: Newport - Minimum of 3 days on site Full Time: 35 Hours Per Week Employment Type: Contract - 12 Months Belcan are currently working with a leading client in the...

You should apply if: What we’re doing here at Monzo excites you!

You will have the chance to speak to our recruitment team at various points during your process but if you do have any specific questions or want to talk through reasonable adjustments ahead of or during application please us at any point on tech-hiring@monzo.

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

Biomedical Scientist (Haematology) - Rhyl, Wales Job Title: Biomedical Scientist (Haematology) Location: Glan Clwyd Hospital, LL18 5UJ Band: Band 6 Contract Type: Locum Salary: £24 - £27 per hour About you: Are you a HCPC registered Biomedical Scientist seeking a rewarding locum position in Wales? Look no further! We're looking for Biomedical Scientists specialising in Haematology. If...

Wealthify – Senior Decision Scientist Welcome to Wealthify: an ambitious, multi-award-winning, online saving and investing service. Based in Penarth, Wales, we want to inspire anyone to build their future wealth, by making it easy for people to do more with their money. Our team is engaging, inquisitive, and inclusive, reflecting many different backgrounds and beliefs. We’re growing rapidly,...

Your newpany A biopharmaceutical site focused on the development and manufacturing of medicines, particularly for the neuroscience area. Your new role Review of experiment write-ups, reports and production batch records, identification, and trending of data for process parameters. Support documentation management activities. Lead COSHH and Risk assessment authoring and review activities for...

You will work on real production problems rather than research-only work, owning models from first iteration through to live deployment.

You will collaborate closely with other data scientists, data engineers, and DevOps, with the freedom to shape how GenAI and ML are used across the platform.

You should apply if: What we’re doing here at Monzo excites you! - You have a multiple year track record of excellence leading the technical work of a team in the development and deployment of advanced Machine Learning models tackling real business problems, preferably in a fast moving tech company

Data Scientist - £70k | Remote / Hybrid | FinTech / Payments We’re working with an established FinTech / Payments business that has been helping customers manage and move money globally for many years. The company builds technology-led products that support low-cost, multi-currency payments and money management, operating across several regulated markets. They’re now investing further in their...

You will bring significant experience of being an effective contributor in a cross‐functional team and communicating with external stakeholders.

You will collaborate closely with user researchers and product to identify opportunities for where AI can be used, using your extensive knowledge of AI.

You will work across a variety of complex analytical problems, owning experimentation end-to-end—even when ideal conditions such as user randomisation or high statistical power are not present.

Performance Data Scientist Department - Sport System Institute Services Salary - £41,574.01 (pro rata - £25,281.49) Working Hours - 3 days per week (22.5 hours) 12 months fixed term contract Location - Sport Wales National Centre, Cardiff Closing Date - 6th February 2026 9am Provisional Interview Date - 19th February 2026 Please go to our website to view the full advert and job description and...

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

You should apply if: What we’re doing here at Monzo excites you!

You will have the chance to speak to our recruitment team at various points during your process but if you do have any specific questions ahead of this please contact us on tech-hiring@monzo.