Principal Data Scientist jobs in Chester

You will design and build the systems that identify the signals that matter most for visibility, the retrieval and embedding architecture that feeds the models, the ranking and scoring framework that prioritises actions and the evaluation layer that measures how different LLMs behave across queries, surfaces and contexts.

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.

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...

You will define technical strategy, design scalable data systems, mentor senior engineers, and partner closely with product, engineering, analytics, and business leaders to transform strategic goals into robust, data-driven solutions.

About Intellias Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and contributed to the success of the world's leading brands. The company is featured in the Inc 5,000 Europe and IAOP Global Outsourcing...

You will also be tasked to improve the analysis and visualisation of data as well as determine improvements to the efficiency and effectiveness of the Hair Category capability through the optimisation of instrumentation, methods and data handling processes, and the building of links between objective measures of performance and consumer perception.

At Why Hiring, we believe in the power of connecting talented individuals with incredible remote job opportunities. Our mission is to simplify the job search process and empower professionals to find fulfilling roles that align with their skills and passions, regardless of geographical constraints. In this role as a Junior Data Scientist, you'll collaborate with data experts and various teams...

We are a leading provider of pharmacovigilance analytics software for the pharmaceutical industry, delivering innovative, data-driven solutions that help clients enhance drug safety, regulatory compliance, and operational efficiency. We are seeking a Consulting Technology Project Manager to manage client implementation projects for our Pharmacovigilance SaaS solutions. The ideal candidate...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I’m recruiting on behalf of a high-growth cyber security technology company that protects some of the world’s most critical online services from large-scale DDoS and...

Analytical Scientist12-month temporary roleMonday to Friday; Full-timeThornton Science ParkAnalytical Scientist Main Purpose:To plan, execute and interpret experimental work to support analysis and method development/validation for new materials. Provide analytical support to growth F&EM projects.Analytical Scientist Roles and Responsibilities: * Execute routine analysis of materials in support...

12-month temporary role Monday to Friday; Full-time Thornton Science Park Analytical Scientist Main Purpose:To plan, execute and interpret experimental work to support analysis and method development/validation for new materials. Provide analytical support to growth F&EM projects. Analytical Scientist Roles and Responsibilities: Execute routine analysis of materials in support of Battery...

Senior AI/ML Engineer – Chester (2 days onsite a week). I'm working with a well‐established, values‐led organisation operating at scale across the travel and leisure sector. They are investing heavily in AI and data, and are now looking to hire a Senior AI/ML Engineer to play a key role in building and productionising machine learning solutions that deliver real commercial impact. This is a...

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...

.Net / Blazor Developer, Fully Remote, £60,000 - £85,000 per annum About the Role: Our client, a leading AI solutions consultancy are seeking a highly skilled Blazor Developer to join their team. As a Blazor Developer, you will play a critical role in creating and optimising web applications built on the Blazor framework. Your expertise in development will help their clients bring their...

You will support the assessment and development of new technologies emerging from defence and security research. Working alongside experienced colleagues, you’ll help evaluate market opportunities, prepare commercial documentation and support licensing and early spin-out activities.

About Intellias A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible. Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and...

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.

A leading recruitment agency is seeking an interim Product Performance and Data Scientist for a global FMCG client. This role in Port Sunlight will involve data management, analysis, and visualization to drive product innovation. The ideal candidate has substantial experience in data analytics within an FMCG or related sector, holds a BSc or MSc in a relevant field, and is adept at stakeholder...