Lead Data Scientist jobs in Wales

Jobs found: 1,569
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Zazu Digital Talent
Cardiff

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.

2 days ago
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Exposed Solutions
Newbridge

Job...

10 hours ago
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Thyme
Newport

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...

Hybrid
a day ago
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trg.recruitment
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.

23 hours ago
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Digitech Resourcing
Newport

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.

17 hours ago
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Russell Tobin
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.

2 days ago
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Sport Wales
Cardiff

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...

17 hours ago
Infosys
Wrexham

Role – Senior Lead Analyst Data Science Technology – Core Python, Data Science, GEN AI Location – Chester or Bromley Job Description Infosys is seeking a Senior AI/ML & Generative AI Engineer with deep expertise in designing, developing, and deploying advanced AI solutions. This includes core Python development using OOPs concepts, Large Language Models (LLMs), and Agentic AI architectures....

17 hours ago
Iron Mountain
Cardiff

THE OPPORTUNITY: Lead RevOps Strategist & Platform Specialist, Data Center (remote role UK or Spain) Job Summary: Iron Mountain is seeking a highly experienced, proactive, and strategic Lead RevOps Strategist & Platform Specialist to join our IMDC Global Services team in the UK or Spain (remote role). The Lead RevOps Strategist & Platform Specialist will serve as the pivotal link between our...

Hybrid
a day ago
Bright Purple
Cardiff

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...

Hybrid
2 days ago
Spherical Search
Newport

Spherical Search has recently partnered with a well-established Analytical Testing and CRO services organisation specialising in inhalation and nasal drug delivery. The company works with a broad range of pharmaceutical, biologics, and device organisations on a global scale. We are currently seeking a Senior Scientist to join the team in an on-site role, based within a commutable distance of...

Remote
11 hours ago
Spherical Search
Newport

The company works with a broad range of pharmaceutical, biologics, and device organisations on a global scale. We are currently seeking a Senior Scientist to join the team in an on-site role, based within a commutable distance of Cwmbran, Wales. Support the Associate Manager, Pharmaceutical Development with the organising and planning of project activities with your group utilising the most...

Remote
11 hours ago
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trg.recruitment
Newport

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.

23 hours ago
Bookmark Not interested
Thyme
Cardiff

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...

Hybrid
a day ago
Iron Mountain
Newport

THE OPPORTUNITY: Lead RevOps Strategist & Platform Specialist, Data Center (remote role UK or Spain) Job Summary: Iron Mountain is seeking a highly experienced, proactive, and strategic Lead RevOps Strategist & Platform Specialist to join our IMDC Global Services team in the UK or Spain (remote role). The Lead RevOps Strategist & Platform Specialist will serve as the pivotal link between our...

Hybrid
a day ago
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Lead Data Scientist, Wales
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Zazu Digital Talent
Newport

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.

2 days ago
Bookmark Not interested
Digitech Resourcing
Cardiff

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.

17 hours ago
Bright Purple
Newport

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...

Hybrid
2 days ago
Bookmark Not interested
Exposed Solutions
Newport
6 hours ago
Bookmark Not interested
Russell Tobin
Newport

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.

2 days ago
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