QA / Data Validation Engineer (Contractor)

Mid-Senior | Ref: ACC-CC-QA01UK Contract
LocationUK-based. Fully remote
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Engagement Details

  • Bullet pointEngagement: Confidential Client — Azure to GCP Data Platform Migration
  • Bullet pointStart Date: 10 June 2026
  • Bullet pointDuration: Fixed-term to 30 September 2026
  • Bullet pointAvailability: Part-time initially at 2 days per week, ramping to full-time (5 days per week) during the reconciliation phase in September 2026
  • Bullet pointLocation: UK-based. Fully remote
  • Bullet pointApplicants must have the right to work in the UK and be located in the UK

The Role

We are looking for an experienced contractor who knows how data migration reconciliation actually works in practice, not in theory. Numbers will look different between platforms. The business will be nervous. Your job is to get ahead of that by designing a rigorous parallel run, producing clear per-domain reconciliation reports, and making sure every discrepancy is investigated and explained before stakeholder sign-off is requested. If you have done this on a real migration and come out the other side with a clean sign-off, we want to talk.

Context

You will own the 10-day mandatory parallel run. This means designing the test approach, executing row-count and aggregate comparisons per domain, and producing reconciliation reports that internal business stakeholders can sign off with confidence. This role is part-time in the early phases and ramps to full-time as the project approaches cutover in September.

What You Will Be Doing

  • Bullet pointDesign the data validation and reconciliation framework for the 10-day parallel run
  • Bullet pointExecute row-count, aggregate, and key metric comparisons between Azure Synapse and BigQuery Gold layer outputs per domain
  • Bullet pointInvestigate and document any discrepancies, distinguishing GCP calculation errors from legacy platform defects
  • Bullet pointProduce per-domain reconciliation reports to support stakeholder sign-off
  • Bullet pointWork with the Principal Data Engineer and SQL Conversion Engineer on test coverage across all Dataform models
  • Bullet pointSupport functional testing and UAT for all ingestion pipelines and Power BI reports
  • Bullet pointMaintain a clear issues log and communicate status and risk to the Project Manager

What We Need From You

  • Bullet pointHands-on data validation and reconciliation experience in a data migration or warehouse cutover context
  • Bullet pointProficiency in SQL, including the ability to write validation queries across BigQuery and legacy SQL databases
  • Bullet pointA structured, evidence-based approach to reconciliation reporting
  • Bullet pointExperience distinguishing migration errors from legacy platform defects in reconciliation output
  • Bullet pointClear written communication skills, with the ability to produce reports readable by non-technical stakeholders
  • Bullet pointApplicants must have the right to work in the UK and be located in the UK

Beneficial But Not Essential

  • Bullet pointBigQuery or GCP experience
  • Bullet pointExperience with Azure Synapse or SQL Server as a source platform
  • Bullet pointFamiliarity with dbt test frameworks or Dataform assertions
  • Bullet pointExperience working in a fixed-price, deadline-driven delivery team

Why Adroit Cloud Consulting?

Adroit Cloud Consulting is a cloud and AI engineering firm built by practitioners, not theorists. We design, build, and embed secure cloud and AI systems for businesses scaling fast and solving complex problems across financial services, real estate, SaaS, and the public sector.

We work side by side with our clients. No offshore hand-offs, no bloated delivery layers. Just senior engineers who take ownership, move quickly, and leave platforms in better shape than they found them.

Our core capabilities span GCP, AWS, Azure, data platform engineering, AI and ML systems, DevSecOps, and cloud security. We are a Google Cloud Partner with ISO 27001 certification.

We do not manage the gap between strategy and delivery. We close it.

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