Senior Data Engineer

Senior Data Engineer - Cardiff / Hybrid - £65,000 - £75,000 + benefits

Yolk Recruitment are proud to be supporting a leading global business investing heavily in its data and analytics capabilities. They're looking for a Senior Data Engineer to help shape the next generation of their data platform - leading technical design, mentoring others, and driving best practice.

This is a great opportunity for an experienced data professional who enjoys solving complex challenges, optimising large-scale systems, and influencing strategy within a collaborative, forward-thinking team.

What you'll be doing:

• Lead the design and implementation of scalable, high-performance data architectures and pipelines.
• Define and enforce best practices for data engineering, including coding standards, testing, and documentation.
• Mentor and guide engineers, fostering collaboration and technical excellence.
• Translate complex business requirements into reliable, well-structured data solutions.
• Optimise data workflows for performance, reliability, and cost efficiency.
• Drive adoption of modern data tools and technologies across the organisation.
• Ensure robust data governance, security, and compliance.
• Troubleshoot and resolve complex data issues, delivering long-term solutions.
• Work with analytics, product, and engineering teams to support advanced analytics and machine learning initiatives.

The skills you'll need:

• Extensive experience designing and building large-scale data pipelines and ETL processes.
• Strong proficiency in SQL and Python.
• Deep understanding of data modelling, warehousing, and performance optimisation.
• Proven experience with cloud platforms (AWS, Azure, or GCP) and their data services.
• Hands-on experience with big data frameworks (e.g. Apache Spark, Hadoop).
• Strong knowledge of data governance, security, and compliance.
• Ability to lead technical projects and mentor junior engineers.
• Excellent problem-solving skills and experience in agile environments.

Desirable:

Experience with streaming data (Kafka/Kinesis), Docker/Kubernetes, Terraform, CI/CD pipelines, NoSQL databases, and metadata management tools.

Company Benefits:

• Enhanced Parental Leave
• Generous annual leave
• Healthcare Plan
• Annual Giving Day - an extra day to give back to yourself or your community
• Cycle-to-work Scheme
• Pension scheme with employer contributions
• Life Assurance - 3x base salary
• Rewards Programme - access to discounts and cashback
• LinkedIn Learning Licence for upskilling & development

Ready to Apply?

Please apply with your latest CV.

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Note: We do our best to respond to every application, but due to volume, we can't always guarantee it. If you haven't heard back within 7 days, unfortunately, you haven't been successful this time. Keep an eye on our site for new opportunities!