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Senior data engineer in cardiff

Cardiff
Energy Jobline ZR
Data engineer
Posted: 20h ago
Offer description

Senior Data Engineer

A senior, hands‑on data engineering role within a growing data and analytics team undergoing platform modernisation. The role combines deep technical delivery with strong stakeholder engagement, feature ownership, and mentorship responsibilities.


Key Responsibilities

* Own complex end‑to‑end ETL pipelines using Python and SQL
* Design and develop data solutions across a cloud‑based data lake using a layered (Bronze / Silver / Gold) architecture
* Build and maintain SQL objects (stored procedures, views, complex queries)
* Translate business requirements into clear, well‑specified data features
* Produce and maintain technical documentation (solution designs, data dictionaries, runbooks)
* Act as a quality bar for engineering standards through code review and design input
* Keep stakeholders informed on progress, delivery, and dependencies
* Coach and support less experienced engineers
* Contribute to data architecture and future platform direction
* Actively use AI tools to accelerate development, improve quality, and enhance documentation


Technology Environment

Primary cloud platform: Microsoft Azure.
Core tools and services may include:
• Azure SQL
• Cloud data lake / analytics services (e.g., Synapse or equivalent)
• Data orchestration tools
• CI/CD and version control systems
Familiarity with modern analytics platforms and BI tooling is desirable.


Essential Skills & Experience

* Strong commercial experience with Python and SQL (mandatory)
* Production‑grade ETL development (logging, error handling, testing)
* Experience with cloud data lake architectures
* Orchestration, CI/CD, and collaborative development workflows
* Experience leading data feature specification with business stakeholders
* Ability to write clear, maintainable technical documentation
* Proven experience mentoring or supporting other engineers
* AI‑first mindset for modern data engineering workflows


Desirable

* Experience with data platform migration or re‑platforming
* Integration of AI / LLM capabilities into data workflows
* Experience in regulated or data‑intensive industries
* BI reporting experience
* Familiarity with Kanban or similar delivery approaches

In accordance with the Employment Agencies and Employment Businesses Regulations 2003, this position is advertised based upon DGH Recruitment Limited having first sought approval of its client to find candidates for this position.


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