analytical scientist jobs in Cardiff

You will work on modernizing authentication and login experiences across multiple consumer applications, helping drive growth through high-quality user experience, experimentation, and data-driven decision making. This is a collaborative role, working closely with engineers, product managers, and cross-functional partners in a fast-paced environment.

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 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.

You will partner closely with Marketing, Finance, and leadership to optimise our multi-million pound marketing budget and shape the future of our growth.

You will be a key architect of this change, bringing the critical causal inference expertise needed to elevate our team's technical standards and help us generate new, high-value ideas directly from our data.

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.

Global University Systems is building a modern AI platform to power how our universities recruit, teach, support, and serve students. The Director of AI will lead this transformation, turning promising ideas into production-grade AI solutions that create real value for students and staff. This role owns the AI roadmap end-to-end: from identifying high-impact use cases, to running rapid...

Machine Learning Engineer - Contract (Financial Services, Outside IR35) Duration: 6 months Rate: £650 - £750 per day IR35: Outside Location: UK / Remote We’re seeking an experienced Machine Learning Engineer to support a Financial Services organisation on an initial 6-month contract, working on production-grade ML systems that operate in regulated, high-volume environments. This role is...

You will be responsible for translating complex clinical and real-world data capabilities into clear, scalable, market-ready products that directly address high-impact industry challenges. As a senior leader, you’ll work closely with data science, engineering, and commercial teams to shape solution roadmaps, support major client engagements, and help drive global adoption.

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...

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,...

Bring your passion for data-driven pricing solutions to an award-winning and pioneering specialist insurer 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? Then look no further! Star Actuarial is currently representing an exciting chance to develop and maintain statistical models to...

You will be responsible for deliverables within your projects and initiatives, driving innovation with the support of colleagues.

You will be supported by your line manager with regular mentoring and training and with focused support provided for you to achieve chartered status.

You will mentor junior engineers, promote best practices, and foster a culture of collaboration, innovation, and continuous improvement.

You will stay at the forefront of AI engineering trends, advocate for modern development methodologies, and drive knowledge-sharing across both the technology and audit domains.

Healthcare and Biology Quality Assurance (QA) Analyst 1 day ago Be among the first 25 applicants About Our Client Our client is a leading healthcare technology company dedicated to improving patient outcomes through innovative biological data solutions. They combine cutting-edge technology with biological expertise to develop revolutionary healthcare products that require meticulous quality...

You will also have the reassurance of a job guarantee within 20 miles of your location upon completion.

You will begin your data science journey by studying a selection of industry-recognized courses that will take you from beginner level all the way through to being qualified to work in a junior Data Scientist role.

A leading boutique insurer in the United Kingdom is seeking a talented data scientist or pricing analyst to join their team. The successful candidate will develop and maintain statistical models, monitor competitor pricing, and analyze data trends to drive decision-making. Experience with analytical tools such as Snowflake, Python, and R is crucial, along with a background in the insurance...

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

You will have company-wide influence, working with other collectives to grow Monzo. In this role you’ll be focused on improving our platform resilience. You’ll sit at the intersection of our platform and product engineering teams to make it easier for engineers to build resilient systems; improving our platform abstractions and tooling in the process.

You will initially focus on our Flex product, where we’re reinventing credit cards to give customers more visibility and control over their spending. Over time your remit will expand to cover other areas of Borrowing.

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

You will lead a team of analysts responsible for developing the credit and pricing strategies as we evolve our existing propositions and develop new products and distribution strategies. Our credit teams are part of our Data Discipline which drives a strong culture of data-driven decision making across the whole company.

You should apply if: