principal data engineer jobs in County of Cardiff

Job Description Principal / Associate Smart Building Technical Engineer - Building Technology Systems Join 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...

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. -...

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...

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...

Opportunity to join a growing SME as they continue to develop their excellent C&S consulting engineering practice in the UK: - Opportunity to join as a senior/ principal civil engineer, as part of a thriving team and close to the owner director engineers - Relatively young practice (more than 10 years old), with a high-quality blend of people who have joined from larger practices and SMEs -...

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

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

You will be expected to lead by example, bringing both technical depth and the ability to shape best practices across engineering teams. This role is fully remote, offering excellent flexibility while still providing meaningful collaboration and career progression. Key Responsibilities

You will be a key technical authority for Terraform across our Azure Data and AI platforms. What You’ll Be Doing In this role, you will: - Own and lead Terraform-based infrastructure design for Azure, ensuring scalability, security, and compliance by default. - Develop and maintain advanced Terraform modules, standards, and patterns used across multiple teams and environments.

Senior Data Engineer Job Title: Senior Data Engineer Salary Range: £80,000–£100,000 Location / Working model: London | Hybrid This is a critical technical position within a high-growth, forward-thinking organization that specializes in digital innovation. We require an experienced Senior Data Engineer to design, build, and maintain a robust, scalable, and high-performance system that is...

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 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 •...

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...

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...

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...

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,...

Data Operations Engineer (Early Career) Are you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding. 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...

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...