Vignesh Kumar
Senior QA
Summary
Associate Consultant supporting functional testing, API validation, and regression coverage across web, mobile, and POS environments. Coordinates requirement analysis, test scenario design, and defect retesting while keeping release readiness clear for client and product teams. Strengthens build quality through end-to-end validation of integrations, user flows, and recurring hot-fix checks.
Overview
1
1
Certification
8
8
years of professional experience
Work History
Associate Consultant
Worldline Global Services
07.2023 - Current
- Perform functional, regression, and integration testing on POS terminals to validate diverse transaction types (card, contactless, wallet, settlement, clearing).
- Execute end‑to‑end transaction flow testing including authorization, settlement, batch processing, and clearing across multiple payment modes.
- Collaborate with Business Analysts (BA) and Product Owners (PO) to clarify requirements, identify gaps, and ensure alignment with business needs.
- Prepare and maintain daily QA status reports for leads and stakeholders, highlighting defects, risks, and progress.
- Conduct Android POS application testing for European markets, ensuring compliance with local payment regulations and EMV standards.
- Design and execute test scenarios, test cases, and test scripts based on functional specifications and user stories.
- Perform UAT support and assist in defect triage with cross‑functional teams.
- Work closely with developers, architects, and support teams to reproduce, analyze, and resolve defects.
- Ensure QA deliverables meet quality standards and deadlines in Agile/Scrum environments.
Senior Test Engineer
Aspire Systems India Pvt Ltd
12.2021 - 07.2023
- Logging defects in JIRA while validating functional flows across account management and course operations.
- Validated user account creation, updates, and deletions, plus course assignment and scheduling workflows.
- Tested role-based access controls to restrict sensitive reports and settings by user permission.
- Verified report accuracy for student performance and course status outputs.
- Executed integration testing with web applications and end-to-end mobile application checks.
- Guided the team on requirements and delivery process, using clear test documentation to support execution.
Software Test Engineer
Prophoenix Technology Services
06.2018 - 12.2021
- Analyzed complex business requirements with customers and onsite contacts to clarify case, arrest, citation, warrant, and records workflows.
- Performed database, performance, and stress testing to verify stability of facilities used for police department case maintenance.
- Executed API testing for web browser applications using Postman and Swagger, then tracked defects in JIRA and TFS.
- Documented requirements and test cases for incremental enhancements, supporting clearer coverage and repeatable validation across releases.
- Collaborated on interface data transfers between customer servers and the central state database while working in Agile release cycles.
Education
Bachelor of Science - Computer Science
Saveetha School of Engineering
ChennaiSkills
API testing with Postman
JIRA
Docker
Linux
TFS
Swagger
MTM
X-Ray Reports
Functional/Non-functional testing
Regression testing
STLC
Test case design
Defect tracking
Agile methodologies
Requirement analysis
User story writing
Client communication
POS system validation
Accomplishments
- Awarded for the great achievement in the project delivery of GEMS.
- Received the best employee recognition for resolving the customer's complex issue at PNX.
- Appreciated by the Director for the stable module at PNX.
Certification
ISTQB Foundation Level
Timeline
Associate Consultant
Worldline Global Services
07.2023 - Current
Senior Test Engineer
Aspire Systems India Pvt Ltd
12.2021 - 07.2023
Software Test Engineer
Prophoenix Technology Services
06.2018 - 12.2021
Bachelor of Science - Computer Science
Saveetha School of Engineering