trainee data scientist jobs in Cardiff

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Data Scientist

Harnham Search and Selection
Cardiff

Job Description 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...

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5 hours ago
No Experience Remote

Junior Data Scientist

Why Hiring
Cardiff

Location: Remote (UK-based candidates preferred) Employment Type: Full-time Experience Level: Junior / Entry-Level About the Role We’re seeking a motivated Junior Data Scientist who’s eager to turn data into meaningful insights and grow in a dynamic, collaborative environment. This fully remote role is open to candidates based in the UK. You’ll work alongside senior data scientists, analysts,...

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a day ago
Hybrid

Principal Data Scientist: AI for Content Creation

BBC Group and Public Services
Cardiff CF10

A major media corporation is seeking a Principal Data Scientist to join their Content Creation AI team. Make sure to apply with all the requested information, as laid out in the job overview below. 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...

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11 hours ago
Hybrid

Data Scientist - Peer‑to‑Peer Renewable Energy Trading Platform

The Green Recruitment Company
Cardiff

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.

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5 hours ago
Remote

Physical Scientist

DataAnnotation
Cardiff

Job Description Job Description Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for an expert Physicist (part-time work from home) to help advance AI development. As a member of DataAnnotation’s Physics team, you’ll be part of a growing community of over 100,000...

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5 hours ago

Senior Data Scientist

Monzo
Cardiff

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.

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7 days ago

Data Scientist

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.

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11 hours ago
Remote

Data Quality Manager

British Gas
Cardiff

You will collaborate with distributed Data Owners and Data Stewards, guiding them in managing data quality initiatives and ensuring best practices are followed. Your mission will be to prioritise and create critical data quality improvements and targets, accelerating the development of cutting-edge Data and AI products.

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3 hours ago

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Serve Legal
Cardiff

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,...

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2 days ago

AI Director

Global University Systems
Cardiff

Job Description 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...

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5 hours ago

Machine Learning Engineer

Edison Smart®
Cardiff

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...

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21 hours ago

Senior Staff Engineer (Machine Learning) - 45391

Turing
Cardiff

About Turing: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in coding, reasoning, STEM,...

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a day ago

Pricing Analyst

STAR ACTUARIAL FUTURES LIMITED
Cardiff CF10

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...

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a day ago

ML Engineer | Pre-seed startup | Protein / Molecules

Cubiq Recruitment
Cardiff

About the role I’m working with a well-funded early-stage BioAI startup applying machine learning to a hard, underexplored biological problem with real implications for climate resilience and food security. They’re building an ML-first platform where research doesn’t sit in isolation. Models are expected to ship, be used by scientists, and influence real experimental decisions. They’re looking...

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a day ago

Head of Solutions

Desera | Life Sciences
Cardiff

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.

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5 hours ago
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Machine Learning Engineer

Harnham Search and Selection
Cardiff

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...

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a day ago
Remote

Senior Machine Learning Scientist, Financial Crime

Monzo
Cardiff

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.

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3 days ago
Hybrid

Principal Data Scientist

BBC Group and Public Services
Cardiff CF10

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.

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11 hours ago
Remote

Research Scientist

DataAnnotation
Cardiff

Job Description Job Description Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for an expert Physicist (part-time work from home) to help advance AI development. As a member of DataAnnotation’s Physics team, you’ll be part of a growing community of over 100,000...

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5 hours ago

Staff Machine Learning Scientist

Monzo
Cardiff

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

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7 days ago
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