Anil Baiga
Payment Certification Analyst | QA Engineering Professional | POS & Host Certification Specialist
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About
Payment Certification and QA Engineering professional with around 4 years of experience in POS payment certification, host validation, transaction message analysis, and payment feature testing. Currently working as a Professional, Quality Assurance Engineering (Global Services) at Fiserv India Private Ltd. Hands-on experience with Fiserv certification platforms, including Nashville, Omaha, and Rapid Connect, and with UMF, ISO8583, and ETC Plus message formats.
Strong understanding of payment transaction flows across Retail, E-commerce, MOTO, Recurring, and Restaurant environments. Skilled in validating payment features such as Sale, Refund, Void, Auth Only, Account Verification, AVS, CVV/CVC/CID, Partial Authorization, Tip Adjustment, Commercial Card, Batch Close, and polling scenarios. Combines payment domain expertise with automation skills in Python, Java, Selenium, Playwright, Excel automation, SharePoint, Power Apps, and Power Automate to reduce repetitive manual QA work.
Experience
Professional, Quality Assurance Engineering - Fiserv India Private Ltd - Chennai, India
(2022-09)
- Execute certification testing for POS payment solutions across multiple payment environments.
- Validate payment transaction flows against Fiserv host certification specifications.
- Analyze POS traces, request/response logs, and host messages to confirm transaction correctness.
- Perform field-level validation using UMF, ISO8583, and ETC Plus message formats.
- Support certification for Nashville and Omaha host platforms.
- Validate payment scenarios including Sale, Refund, Void, Auth Only, Account Verification, AVS, CVV/CVC/CID, Partial Authorization, Tip Adjustment, Commercial Card, Batch Close, and polling.
- Investigate certification defects by comparing expected host behavior with actual transaction responses.
- Coordinate with merchants, clients, internal teams, and project stakeholders for issue resolution.
- Prepare concise, formal email updates on certification status, retesting, validation holds, and defect follow-ups.
- Maintain structured tracking of certified, pending, and not-supported payment features.
- Identify opportunities to automate repetitive QA and certification tasks using scripting and Microsoft 365 tools.
- Apply Python, Java, Excel, SharePoint, and Power Automate knowledge to improve process efficiency.
Freelancer — Subject Matter Expert - Chegg India Pvt. Ltd. - Remote
(2021-10 - 2021-12)
- Provided detailed solutions and explanations for coding questions in Java, C, and C++.
- Solved data structures and algorithms problems, ensuring accuracy and clarity for students.
- Created and optimized SQL queries for database management problems.
Education
Bachelor of Technology (B.Tech) - Computer Science and Engineering - Jabalpur Engineering College (2018 - 2022)
Class XII (Higher Secondary Examination) - MPBSE - Excellence Higher Secondary School (2016 - 2018)