data etl developer jobs in County of Cardiff

A leading financial services company in Cardiff is seeking a Sr. Test Automation Engineer to develop test automation frameworks across diverse applications. Candidates should bring over 5 years of experience in test automation with Python and BDD, alongside expertise in ETL testing and cloud technologies like GCP. The role emphasizes collaboration in an Agile environment and offers substantial...

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 •...

Integrations Developer Remote As a seasoned and flexible Integrations Developer, you will play a key role as part of a skilled and multi-disciplinary development team delivering innovative solutions as part of the DX Programme. You will be responsible for designing, developing and implementing solutions using the MS Integration Services & MS Power Platform suite including but not limited to...

This role is the programme’s data-driven applications engineer - sitting between Oracle APEX development, analytics engineering, and data science enablement. It focuses on delivering reporting, dashboards, lightweight applications, and analytical PoCs on top of the client’s Oracle cloud estate (ADW, OAC, Fusion, OIC). Key Responsibilities - Develop, enhance and maintain secure APEX applications...

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...

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...

Our client, a leading provider of secure information solutions to Central Government, Defence, and National Security, is seeking an experienced Data Architect to join their team. This is a high-profile role working on mission-critical projects, delivering innovative, scalable, and secure data platforms. Youll be the go-to expert for data architecture, supporting projects from concept to delivery...

A professional services organisation is seeking an experienced Data Architect to lead the design and evolution of its enterprise data landscape. This is a hands-on role within a data and architecture function, responsible for shaping integration patterns, master data management, and the data warehouse, ensuring data is trusted, well-governed, and fit for analytics and decision-making. Key...

Start: ASAP Location: Cardiff (hybrid – some WFH once trained) A leading organisation is seeking an experienced Data Centre Operator to join their operations team on a long‑term contract. This role is ideal for someone who thrives in a fast‑paced environment, enjoys problem‑solving, and takes pride in keeping critical systems running smoothly. Please note: Control‑M experience is essential....

At Why Hiring, we believe in the power of connecting talented individuals with incredible remote job opportunities. Our mission is to simplify the job search process and empower professionals to find fulfilling roles that align with their skills and passions, regardless of geographical constraints. In this role as a Junior Data Scientist, you’ll collaborate with data experts and various teams...

We’re Hiring: Data Engineer (Agentic AI & MLOps) We’re looking for a Data Engineer with hands-on experience in Agentic AI systems and MLOps to help build scalable data platforms and production-ready AI solutions. What You’ll Do - Build and maintain scalable batch & streaming data pipelines - Enable data infrastructure for Agentic AI / LLM-based autonomous systems - Develop and support MLOps...

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...

Sales Director -Microsoft Data & AI Permanent | Hybrid WFH | Travel to London / Client Sites Required Must be eligible for SC clearance or currently SC Cleared Basic salary + OTE (UNCAPPED) We are looking for an experienced Data & AI Sales Director to lead new business growth across a Microsoft Data & AI portfolio. This is a senior, revenue-driving role for a hunter who thrives on opening...

Senior Data Platform Engineer (Azure | Terraform Expert) Location: Remote / London Office if preferred Type: Contract £750 a day (Inside IR35) - Initial 3 month About the Role We are seeking a Senior Data Platform Engineer with deep, hands-on Terraform expertise to design and build enterprise-grade Azure infrastructure using Infrastructure as Code as a core discipline. This role is not a...

Responsibilities - Design and maintain conceptual, logical, and physical data models for electrical transmission and distribution networks. - Collaborate with EMS/ADMS teams to implement accurate network models using tools like eTerra Habitat. - Develop and optimize SQL queries for relational databases such as Oracle 19C and above. - Create and configure network displays using Display Builder...

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...

Note - role reposted after re-evaluation of grade level. About Colt Data Centre Services Colt Data Centre Services (DCS) has over 20 years’ experience in designing, building and operating energy-efficient, reliable data centres – hosting significant financial, media, corporate and cloud wholesale providers across the world. Our customers are at the heart of everything we do. We endeavour to...

A UK-based health and wellbeing organisation is hiring a Data Scientist to build and deploy production ML and GenAI systems. The role is hands-on and end to end, covering data preparation, model development, and deployment across traditional ML and LLM-based use cases. You will work on real production problems rather than research-only work, owning models from first iteration through to live...

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...

Principal Data Engineer Location: United Kingdom Our Client They are a global content solutions company, powered by technology and human expertise. They help organisations grow the value of their ideas, data, and content by enabling them to be understood - everywhere. With over 45 AI patents, industry-leading technology, and expert talent, they support more than 80 of the world’s top 100...