principal data engineer jobs in Cardiff

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.

You will report directly to the Senior Civil Engineer and your role xujxxms will be to provide superior quality Engineering Design services to allow t...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Please read the following job description thoroughly to ensure you are the right fit for this role before applying. We use technology to create impactful, human-centred...

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

Job Description Principal / Associate Smart Building Technical Engineer - Building Technology SystemsJoin to apply for the Principal / Associate Smart Building Technical Engineer - Building Technology Systems role at WSP in the UK & Ireland.What we will be looking for you to demonstrate A passion for the future of technology in the built environment, and deep curiosity for exploring its potential...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

Job Title – Principal / Associate Structural Engineer Salary – £50,000 to £60,000 dependant on experience Location – Cardiff Due to strategic expansion our client has an immediate vacancy in their Cardiff office for an experienced Principal or Associate Structural Engineer with an ambition to oversee the technical delivery of a portfolio of projects allocated to them. In doing so the...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

My client is looking for a Principal Semiconductor Packaging Engineer to lead the development of next-generation 2.5D and 3D packaging technologies. What you’ll do: - Architect innovative 2.5D/3D packaging solutions from concept to prototype. - Lead advanced packaging R&D programmes and technology roadmaps. - Oversee design, assembly, test, and validation of complex semiconductor packages. -...

You will shape both how interactions are built and what expressive capabilities are possible, translating cutting-edge research into robust, real-world systems.

Data Engineer – ERP / Dynamics 365 - Data Bricks Contract OIR35 6 months rolling - Remote £600-650p/d Overview We are seeking an experienced Data Engineer to support ERP data migration and large-scale enterprise data programmes, with a strong focus on Microsoft Dynamics 365 Finance & Operations. The role will play a critical part in end-to-end delivery cycles, from initial dry runs through to...

We are currently recruiting a Data Engineer for one of our clients. The role is outside IR35 and is paying £400-500 per day, it will initially be for 6 months. It is also fully remote. Key Responsibilities • Design, develop, and maintain batch and streaming data pipelines using Databricks (Apache Spark) • Build and optimize ETL/ELT workflows for large-scale structured and unstructured data •...

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,...

Database Engineer (PostgreSQL & Python) - MUST BE BASED IN THE UK - Opportunity for a Database Engineer (Junior/Mid/Senior) to join a remote-first, UK-headquartered technology business - Competitive salary between £45,000 - £70,000 + excellent benefits including remote working, autonomy, and the chance to work on an Educational AI platform - Apply online or contact Chelsea Hackett via...

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

You will be involved in the entire data chain, from data ingestion to its use by data science teams and AI systems in production within a human-sized and multidisciplinary team. This role is within Process Intelligence (PI) team that combines functions such as Process Mining, Real Time Monitoring and Predictive AI

Data Operations Engineer (Early Career) Location: London (hybrid 3 days onsite) Level: Graduate / Early Career The Opportunity We’re working with a high-growth B2B SaaS startup building an advanced enterprise data and decision intelligence platform. They’re looking for a Data Operations Engineer at an early stage in their career who enjoys working behind the scenes to keep complex systems...

A major media corporation is seeking a Principal Data Scientist to join their Content Creation AI team. 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 of machine learning techniques, and the ability to work effectively in a cross-functional team....

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...