Aphitchaya Ruhathavonkul

Quality Assurance Engineer with 4+ years of experience in banking and enterprise systems, including Core Banking, Payments, and ERP. Experienced in end-to-end testing processes (SIT, UAT, E2E), defect management, and data validation using SQL. Strong background in requirement analysis and cross-team collaboration with developers and business stakeholders. Currently developing skills in test automation using Playwright and TypeScript, with hands-on practice in automating web-based workflows.

Senior Quality Assurance at SCB – Core Banking System (2025-06 – Present)

• Designed and developed test scenarios, test cases, and test scripts based on business requirements (ISD)
• Executed SIT and UAT testing for core banking systems, ensuring system reliability and data accuracy
• Validated transaction data using SQL via DBeaver
• Managed end-to-end defect lifecycle using JIRA (log, track, retest, validate)
• Collaborated with Developers, BA, and SA to ensure correct implementation of requirements
• Mentored junior QA in test design and testing processes
• Prepared and managed test data for execution
• Developed SQL scripts to support data validation
• Organized team meetings and followed up on action items to keep tasks on track
• Reviewed defects from junior team members to ensure they were clear and correctly reported
• Created and maintained JIRA dashboards to track progress and issues
• Helped team members solve SQL query issues and supported data checking
• Supported Team Lead in daily tasks and coordination within the team
• Provided support to junior and intermediate team members across different tasks
• Trained and guided new joiners to understand team tasks and workflow

Quality Assurance at TTB – COB Project (2025-02 – 2025-06)

• Designed and developed test scenarios, test cases, and test scripts based on business requirements
• Executed SIT, E2E, and UAT testing for apply credit card modules
• Managed end-to-end defect lifecycle using JIRA (log, track, retest, validate)
• Collaborated with Developers, BA, and SA to ensure correct implementation of requirements
• Investigated and analyzed defects before coordinating with developers
• Performed initial defect analysis to identify possible root causes before escalating to developers
• Performed defect investigation by analyzing API request/response and user logs to isolate failing endpoints and identify root cause
• Executed mobile application testing
• Collaborated with cross-functional teams to validate system functionality
• Worked in Agile environment and participated in team ceremonies
• Collaborated with team in Agile environment to deliver tasks in each sprint

Quality Assurance at Banking System Projects (UOB, SCB AutoX, Krungthai Bank, KKP) (2021-11 – 2024-04)

• Designed and developed test scenarios, test cases, and test scripts based on business requirements (FSD)
• Executed test case SIT, UAT, and regression testing for financial systems
• Managed end-to-end defect lifecycle using JIRA (log, track, retest, validate)
• Validated transaction data using SQL and Non-SQL via Oracle and MongoDB
• Performed defect investigation by kibana logs to isolate failing endpoints and identify root cause
• Executed mobile application and web application testing
• Collaborated with International Developers, BA, and SA to ensure correct implementation of requirements
• Supported user training and created user documentation
• Generated mock data using Oracle SQL for testing and troubleshooting purposes
• Supported test execution by preparing and validating data in Oracle database

Quality Assurance at Bedrock Analytics – ERP Project (2024-04 – 2025-01)

• Analyzed system requirements to design test scenarios for ERP modules
• Designed and developed test scenarios, test cases, and test scripts based on business requirements
• Executed SIT and UAT testing to ensure system functionality
• Managed end-to-end defect lifecycle using JIRA (log, track, retest, validate)
• Validated data using SQL queries via DBeaver
• Performed API testing using Postman
• Collaborated with PM, Developers, BA, and SA to ensure correct implementation of requirements
• Developed SQL scripts to support data validation
• Reviewed test results and communicated findings to PM, ensuring clear understanding of issues and progress
• Summarized testing results and reported key findings to PM
• Worked in Agile (Scrum) environment and participated in team ceremonies
• Collaborated with team in Agile environment to deliver tasks in each sprint

Bachelor of Computer Science in Computer Science – Kasetsart University (2015 – 2019)