Scientist jobs in Cardiff

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 design, build, and deploy production‑grade models using energy‑market data, asset telemetry, weather data, settlement data, and commercial datasets. This role is central to the evolution of our pricing, risk, trading, and optimisation engines.

You will collaborate closely with engineering, product, and commercial teams and work with a high degree of autonomy.

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...

Data Scientist (Mid-Level) London (Bond Street) – 4 days a week in office (Mon–Thurs) Up to £65,000 + 10% bonus About the Company We’re partnering with a high-performing international investment firm that works closely with ambitious, high-growth businesses to help them scale sustainably and create long-term value. Operating across Europe, the US, and Asia, this organisation combines deep...

A leading healthcare organization in Cardiff is seeking a Principal Clinical Scientist specializing in diagnostic radiology. This role involves acting as a Radiation Protection Adviser, leading a team, and managing projects to enhance radiation protection services. Ideal candidates should possess an MSc in Medical Physics and UK HCPC Clinical Scientist Registration, along with experience in...

You will play a key role in the successful delivery of major multidisciplinary development projects, driving technical excellence and supporting digital innovation.

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....

This Biomedical Science position is suitable for a qualified Histology Biomedical Scientist - Locum to apply on a locum basis to start as a locum with a pay of £25 - £32 P/H. Beneficial criteria to help be successful in this BMS role include the following: Histology experience Immunohistochemistry Special stains Embedding Quality experience ideal Microtome / Cutting sections HCPC...

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

A physicist is needed to train and evaluate AI models, assessing their logic and performance. Remote work with flexible hours is offered.

Are you a talented data scientist or pricing analyst, looking for your next career opportunity within a boutique, data-focused provider of GI insurance services? Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required. Then look no further! Star Actuarial is currently representing an exciting chance to...

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 will have the opportunity to: - Bring experience in sales, business development, health, coaching or leadership — or simply be willing to learn - Recommend pharma-grade, science-backed products - Earn commission + global income streams through product referrals & international team building

This role is the programme’s data-driven applications engineer - sitting between Oracle APEX development, analytics engineering, and data science enablement. It focuses on delivering reporting, dashboards, lightweight applications, and analytical PoCs on top of the client’s Oracle cloud estate (ADW, OAC, Fusion, OIC). Key Responsibilities - Develop, enhance and maintain secure APEX applications...

Head of Sales – Chemical Process Development £100k+ base salary + OTE + Bens The chemical industry underpins everything from life-saving medicines to everyday materials, yet large-scale process development is still slow, costly and heavily reliant on trial and error. Our client is changing things - they’re building an AI-powered platform to radically improve how chemical processes are developed...

This Microbiology Biomedical Scientist Band 5-6 position is suitable for a qualified Biomedical Scientist to apply on a locum basis to start as a locum with a pay of £30 - £36 P/H. Beneficial criteria to help be successful in this BMS role include the following: Microbiology Bacteriology – All benches covered Virology background considered HCPC Registration Biomedical Science...

Machine Learning Engineer Fully Remote - UK based Up to £90,000 + Benefits About the Role We are working with a fully remote gaming and entertainment business that is scaling its data and machine-learning capabilities. With strong backing for data-driven decision-making, they are now looking for a Machine Learning Engineer to help operationalise, maintain, and optimise their ML systems across...

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.

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 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.