I am Sonia Mathew, a Senior QA Engineer / Test Lead with over 20 years of experience in Software Testing across the full Software Development Life Cycle. I hold ISTQB certification and specialize in manual and automation testing for web, desktop, mobile, and API-driven applications. I enjoy collaborating with developers, Product Owners, and Business Analysts to embed quality throughout delivery. I have led QA activities across Infrastructure, Finance, E-commerce, Hospitality, Aviation, and Mobile domains, mentoring teams and driving early defect detection with backend validation (SQL), Linux/Unix environments, and performance testing. I am passionate about building reliable, high-quality solutions and fostering QA excellence within teams.

Sonia Mathew

I am Sonia Mathew, a Senior QA Engineer / Test Lead with over 20 years of experience in Software Testing across the full Software Development Life Cycle. I hold ISTQB certification and specialize in manual and automation testing for web, desktop, mobile, and API-driven applications. I enjoy collaborating with developers, Product Owners, and Business Analysts to embed quality throughout delivery. I have led QA activities across Infrastructure, Finance, E-commerce, Hospitality, Aviation, and Mobile domains, mentoring teams and driving early defect detection with backend validation (SQL), Linux/Unix environments, and performance testing. I am passionate about building reliable, high-quality solutions and fostering QA excellence within teams.

Available to hire

I am Sonia Mathew, a Senior QA Engineer / Test Lead with over 20 years of experience in Software Testing across the full Software Development Life Cycle. I hold ISTQB certification and specialize in manual and automation testing for web, desktop, mobile, and API-driven applications. I enjoy collaborating with developers, Product Owners, and Business Analysts to embed quality throughout delivery.

I have led QA activities across Infrastructure, Finance, E-commerce, Hospitality, Aviation, and Mobile domains, mentoring teams and driving early defect detection with backend validation (SQL), Linux/Unix environments, and performance testing. I am passionate about building reliable, high-quality solutions and fostering QA excellence within teams.

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Experience Level

Expert
Expert
Expert
Expert

Language

English
Fluent

Work Experience

Test Consultant at Create Future
October 1, 2024 - February 1, 2026
Designed, developed, and maintained automated test suites using Playwright (JavaScript/TypeScript), alongside manual testing to validate features and business workflows. Performed end-to-end testing across functional, API (Postman), regression, exploratory, and smoke testing. Integrated automated tests into CI/CD pipelines (Jenkins, Azure DevOps) to enable continuous testing and faster feedback on builds. Conducted backend data validation using SQL and Azure Cosmos DB to ensure data integrity across systems. Executed performance and load testing using JMeter. Collaborated with cross-functional teams in Agile ceremonies, created test cases from Jira stories, and managed defects in Azure DevOps with clear root-cause analysis.
QA Engineer at Youlend
March 1, 2022 - September 1, 2024
Reviewed and validated test cases against requirements, collaborated with developers and analysts to refine user stories and acceptance criteria. Performed end-to-end testing including functional, API, automation, regression, system, and integration testing across financial platforms. Designed and maintained automated test suites and contributed to CI/CD pipelines to support continuous testing. Participated in Agile ceremonies and managed defects using Azure DevOps, enabling early issue detection and reducing production risk. Conducted KYC/AML and financial systems testing, identifying critical defects and ensuring regulatory compliance. Mentored junior QA engineers and communicated effectively with business and technical teams.
Software Analyst at Bentley Systems
October 1, 2015 - March 1, 2022
Performed manual testing of SaaS applications, including functional, API, regression, system, and UAT testing. Designed and executed test cases and plans aligned with business requirements. Managed sprint testing, release validation, and BAU activities in Agile environments. Tracked defects in Jira and collaborated with developers to ensure timely resolution. Engaged with BAs and POs during Agile ceremonies and stakeholder updates to ensure quality delivery.
QA Analyst at Fourth Hospitality
July 1, 2010 - July 1, 2015
Strong experience in Stock Management, Cloud HR, Payroll, Scheduling, and Employee Engagement systems. Collaborated with Product Managers and BAs to define clear user stories. Executed Functional, System, Smoke, and Regression testing in Agile environments. Created Smoke and Regression tests in Gherkin for end-to-end scenarios and conducted integration testing with cross-functional teams. Used Linux/Unix for log analysis and environment checks. Wrote SQL queries for backend data validation. Performed mobile testing (iPhone) and cross-browser testing using BrowserStack. Supported UAT and defect resolution with developers and BAs.
Senior Test Engineer at Codovations
May 1, 2007 - June 1, 2010
Performed Functional, System, Smoke, Regression, Integration, Security, and Exploratory testing for eCommerce web and mobile applications in Agile environments. Designed and executed manual test cases with full requirement traceability and regression coverage. Conducted API testing using Postman and validated backend services (payments, orders, inventory, shipping). Used SQL for backend data validation and integrity checks. Executed cross-browser and cross-device testing, tested third-party integrations, and supported UAT, release readiness, and go/no-go decisions. Applied risk-based testing and mentored junior QA engineers.
Test Engineer at Microobjects
September 1, 2005 - April 1, 2007
Performed functional, system, and integration testing; managed defects and reporting.

Education

Master of Computer Applications at Madurai Kamaraj University
January 11, 2030 - April 23, 2026
Bachelor of Computer Applications at Mahatma Gandhi University
January 11, 2030 - April 23, 2026

Qualifications

ISTQB Certified Tester
January 11, 2030 - April 23, 2026

Industry Experience

Financial Services, Software & Internet, Travel & Hospitality, Professional Services, Retail, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert

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