Damien McCarthy

Senior Data Engineer | Microsoft Fabric | Azure & SQL Data Platforms | Data Solutions Leadership

Talent

CardiffMember since August 1, 2026

Microsoft Fabric Lakehouse architectureOneLake and workspace architectureMedallion architecture, Bronze Silver Gold layeringAzure Data PlatformSQL Server Data PlatformPySparkSpark SQLSQLPythonETL and ELT designKimball methodologyData architecture and scalable platform designMetadata-driven orchestration and lineageData quality and governance frameworksCI/CD and environment promotionAzure DevOpsGitLine management and performance developmentSolution architecture and platform designBusiness-aligned solutioning and trade-off evaluationAgile and Kanban delivery leadershipDefinition of Ready and Definition of DoneFacilitating requirement gathering and shapingStakeholder engagement across technical and non-technical audiencesTeam mentoring and capability developmentEngineering culture enablementKnowledge management and documentation standardsEngineering standards and practical guardrailsProcurement process exposure and supplier engagementSSIS

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Microsoft Fabric Lakehouse architectureOneLake and workspace architectureMedallion architecture, Bronze Silver Gold layeringAzure Data PlatformSQL Server Data Platform

About

Data profession with 15+ years' experience delivering scalable data platforms within regulated environments. Currently leading Microsoft Fabric transformation initiatives, translating business strategy into robust, value-driven lakehouse architecture. Combines technical depth with leadership and solution architecture thinking, taking a business-first approach to solution design, recommending the right solution for the requirement rather than simply the most technically advanced, enabling early value delivery with clear iteration pathways.

Strong track record of mentoring engineers and helping teams raise standards in a practical way. Strong advocate for clear engineering standards and sensible guardrails that enable autonomy. Promote documentation, knowledge sharing and effective Agile and Kanban delivery.

Comfortable working in evolving environments and guiding teams through change.

Experience

Senior Data Engineer at Principality Buildings Society (2025-01 – Present)

Lead engineer within Microsoft Fabric transformation programme.

Engineering line manage and mentor, supporting capability growth and performance development.
Technical leader and trusted advisor, influencing platform architecture and roadmap direction.
Design and deliver end-to-end Fabric solutions from ingestion to gold lakehouse and semantic layer.
Introduced metadata-driven orchestration improving platform transparency and resilience.
Strengthened data quality through automated validation frameworks and governance controls.
Promoted knowledge sharing and knowledge management adoption using Confluence.
Drove Kanban standards, consistent sizing approaches to improve flow and predictability.

Senior BI Developer at Principality Buildings Society (2021-01 – 2025-01)

Stabilised and modernised on-prem SQL Server data warehouse stack, SSIS, SSAS, SSRS.
Heavily involved in procurement and shaping of future cloud platform.
Refactored legacy models processes into cloud ready and modern data patterns.
Led design reviews and facilitated cross-functional requirement discovery.

BI Developer at Alcumus (2015-01 – 2021-01)

Delivered enterprise data warehouse and BI solutions supporting 100+ users.
Designed and automated SQL Server-based ETL and reporting solutions.
Engaged business stakeholders to translate requirements into scalable data models.