Jobs in Cardiff

Spotlight

Senior ML Compiler Engineer

At Fractile, we’re taking a revolutionary approach to computing to run the world’s largest language models 100x faster than existing systems. Our fast-growing team is working at the cutting edge of the latest AI developments in both hardware and software....

Fractile Bristol, United Kingdom

AI Engineer - Cardiff

This role involves leading the design, development, and deployment of advanced AI solutions to enhance operational efficiency and support business growth. You will collaborate with senior stakeholders, guide technical direction, and mentor a team of engineers while ensuring systems are secure, scalable, and compliant.

Circle Recruitment Cardiff, Cymru / Wales, CF10 2AF, United Kingdom £40,000 – £55,000 pa

Hybrid Permanent

Data Scientist

This role involves developing and deploying machine learning and AI models to support risk management, compliance, and contractor analytics. You'll work closely with engineering and product teams, using modern cloud technologies like AWS, Azure, and Microsoft Fabric to build scalable solutions.

Yolk Recruitment Cardiff, South Glamorgan, CF10 2AF, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent

Lead Data Scientist

This role involves leading technical decision-making and model deployment in data science, while coaching a team and driving NLP and LLM initiatives. You'll work closely with engineering, product, and operations teams to deliver production-ready ML solutions and improve model governance.

Yolk Recruitment Cardiff, Cymru / Wales, CF10 2AF, United Kingdom £100,000 – £110,000 pa

Hybrid Permanent

Full Stack Software Developer

As a Full Stack Software Developer, you will lead the development and quality of customer-facing bot experiences, ensuring they are performant and intuitive. You'll manage product backlogs, prioritize tasks, and oversee architecture and system performance, working with modern frontend and backend technologies and AWS services.

Reed Gu13He, GU1 3HE, United Kingdom £30,000 – £40,000 pa

On-site Permanent

Engineering Lead

This role involves leading a small team of engineers in developing and maintaining a composable, API-driven CMS. Key responsibilities include defining engineering standards, managing AI-driven development, and fostering a collaborative engineering culture. The position offers opportunities for professional growth and a strong benefits package.

Method Resourcing Cardiff, Cymru / Wales, CF10 2AF, United Kingdom £70,000 – £75,000 pa

Hybrid Permanent

AI Technical Architect

This role involves designing secure, scalable AI-enabled solutions within a government setting, translating emerging AI capabilities into practical architectures. The architect will lead technical design, support rapid prototyping, and guide services from concept to production while collaborating with multidisciplinary teams. Emphasis is placed on balancing innovation with security, governance, and long-term service resilience in a cloud-first environment.

Inspire People Cf101Xs, Cymru / Wales, CF10 1XS, United Kingdom £67,867 – £81,793 pa

Hybrid Permanent Clearance Required

AI Technical Architect

This role involves leading the design of secure, scalable AI-enabled solutions within a government department, translating emerging AI capabilities into practical architectures. The architect will work across multidisciplinary teams to guide services from concept to production, ensuring alignment with security, governance, and user needs. It offers a unique opportunity to shape technical strategy in a cloud-first, innovation-driven public sector environment.

Inspire People B24Bj, B2 4BJ, United Kingdom £67,867 – £81,793 pa

Hybrid Permanent Clearance Required

Data Scientist

This role involves building and improving predictive models for credit risk and customer analytics, working with large datasets, and communicating insights to non-technical stakeholders. The Data Scientist will also support initiatives in fraud, identity risk, and investigations, using Python and R in Azure/Databricks environments.

Computer Futures Cardiff, South Glamorgan, CF10 2AF, United Kingdom £490 pd

Hybrid Contract

Research Assistant - Human Influence

The role involves designing and running studies to understand how frontier AI systems influence human attitudes and behavior, focusing on risks to human agency and wellbeing. You will work with top technical talent, run large-scale RCTs, and have the opportunity to lead or co-author publications.

AI Security Institute London, United Kingdom

On-site Contract Part-time

Senior Software Engineer, Chem-Bio

This role involves designing and building reliable systems for a research-focused team, translating complex research needs into scalable and maintainable software. The engineer will work closely with researchers, own significant technical projects, and contribute to engineering standards and practices within a growing, interdisciplinary team.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required