I am a Senior QA / Data Test Engineer with 20+ years’ experience in data-focused testing, data quality engineering, and automated validation. I specialise in SQL-based data validation, data profiling, data remediation, and data reconciliation testing. I have built automated Python notebook frameworks to speed up data quality testing and created auto-generated data reconciliation reports to give fast feedback and clear visibility of data health. I bring hands-on experience with Microsoft Purview and Great Expectations, and I enjoy collaborating with data engineers, governance teams, and business analysts to ensure data accuracy, compliance, and robust end-to-end testing across pipelines and migrations. I am known for structured thinking, strong analytical problem-solving, and a drive to improve data quality processes and testing frameworks. I thrive in cross-functional teams and enjoy mentoring teammates to raise quality standards and accelerate delivery.

Salia Gul

I am a Senior QA / Data Test Engineer with 20+ years’ experience in data-focused testing, data quality engineering, and automated validation. I specialise in SQL-based data validation, data profiling, data remediation, and data reconciliation testing. I have built automated Python notebook frameworks to speed up data quality testing and created auto-generated data reconciliation reports to give fast feedback and clear visibility of data health. I bring hands-on experience with Microsoft Purview and Great Expectations, and I enjoy collaborating with data engineers, governance teams, and business analysts to ensure data accuracy, compliance, and robust end-to-end testing across pipelines and migrations. I am known for structured thinking, strong analytical problem-solving, and a drive to improve data quality processes and testing frameworks. I thrive in cross-functional teams and enjoy mentoring teammates to raise quality standards and accelerate delivery.

Available to hire

I am a Senior QA / Data Test Engineer with 20+ years’ experience in data-focused testing, data quality engineering, and automated validation. I specialise in SQL-based data validation, data profiling, data remediation, and data reconciliation testing. I have built automated Python notebook frameworks to speed up data quality testing and created auto-generated data reconciliation reports to give fast feedback and clear visibility of data health. I bring hands-on experience with Microsoft Purview and Great Expectations, and I enjoy collaborating with data engineers, governance teams, and business analysts to ensure data accuracy, compliance, and robust end-to-end testing across pipelines and migrations.

I am known for structured thinking, strong analytical problem-solving, and a drive to improve data quality processes and testing frameworks. I thrive in cross-functional teams and enjoy mentoring teammates to raise quality standards and accelerate delivery.

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Experience Level

Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate

Language

English
Fluent

Work Experience

Data Tester at NECSWS
November 1, 2026 - Present
Designing and executing data-focused test activities across enterprise datasets, ensuring data meets key data quality dimensions (accuracy, completeness, consistency, integrity, validity, timeliness). Created SQL-based data validation across multiple source systems; profiled datasets using Great Expectations; built Python automation to produce data reconciliation reports; automated Data Health onboarding in Purview via REST APIs (Data Products, Data Assets, Profiling, DQ Rules, DQ Scans). Collaborated with data engineers, governance teams, and business analysts to improve data testing strategy and overall data quality.
Quality Assurance Analyst at Graphnet Health Ltd
September 1, 2020 - August 1, 2025
Designed manual test plans, regression suites, and exploratory testing across healthcare datasets. Performed SQL-based validation of ETL pipelines, ensuring accuracy, completeness, consistency and integrity across NHS patient records. Conducted API testing (Postman) and validated data transformations, field mappings, and schema alignment across integrated systems. Led QA practices, mentored team members, and contributed to release readiness through smoke testing and regression sign-off. Introduced accessibility testing (WCAG 2.1) and supported performance testing under high-load scenarios.
Senior Test Analyst at Humley
March 1, 2019 - January 31, 2020
Automated BDD regression suite with SpecFlow & Selenium WebDriver (C#), integrated into Azure DevOps pipelines. Conducted API testing with Postman and validated chatbot integrations. Delivered cross-browser/device testing to ensure a consistent UX, and collaborated with developers, designers, and product owners in Agile delivery.
Test Analyst at Fusion Software
September 1, 2016 - October 1, 2018
Designed and implemented manual and automated test suites for AI chatbot platform. Contributed to CI/CD automation strategy and exploratory testing of new features.
SIT Tester (Contract) at Thames Valley Police
January 1, 2016 - May 1, 2016
Supported system integration testing for MS Dynamics 2016 platform in an Agile environment. Executed SIT test cases, raised issues, and collaborated with the Microsoft development team.
Test Analyst at Fusion Software
April 1, 2015 - January 1, 2016
Sole tester for flagship CRM survey product; executed functional and regression testing. Delivered cross-browser/device validation using BrowserStack.
Automation Tester at Thomas Cook
September 1, 2014 - November 1, 2014
Automated regression and smoke tests using Selenium WebDriver (C#), integrated into CI/CD pipelines. Conducted backend validation via SQL and API testing.
Software Tester at Earlier Career (Various)
January 1, 2006 - December 31, 2014
Extensive SQL data validation and UAT support across multiple domains; manual functional, regression, and integration testing.

Education

MSc in Business Computing: Information Technology at Northampton University
January 1, 2003 - January 1, 2005
BSc (Hons) in Business Computing: Information Technology at Northampton University
January 1, 2000 - January 1, 2003

Qualifications

ISTQB Certified Tester – Foundation Level
January 11, 2030 - May 19, 2026

Industry Experience

Healthcare, Software & Internet, Professional Services