Repalle Harikrishna

Having overall 3.7 years of experience in Banking and Healthcare industry and last 3+ years working on Acquiring (POS) and UAT for debit/credit card issuance and transaction processing systems. Performed functional and integration testing for debit and credit card transactions across POS, ATM, and eCommerce channels. Validated ISO 8583 messages for correctness in MTI, DE fields, and cryptograms.

Conducted EMV chip testing including online/offline PIN, contactless transactions, and fallback scenarios. Verified end-to-end flows for authorization, clearing, and settlement with Visa, MasterCard, Amex. Experienced on Fraud detection and risk management.

Participated in 3DS authentication testing including CAVV, ECI, and AVV validation. Verified card personalization data, embossing files, and BIN ranges for new product. Hands on Experience of preparation and execution of Test Cases using selenium web driver (Web Applications) with Test Ng, Data Driven testing.

Well Versed with Software Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC) including Agile Methodology

Software Test Engineer at Tata Consultancy Services (TCS) (2022-02 – 2025-09)

Worked on DBS Bank Singapore projects in the Banking & BFSI domain.

Software Test Engineer - Project 1: Debit Cards -Acquiring & Issuing -HPS Power card at Tata Consultancy Services (TCS) (2022-02 – 2025-09)

This Project aims to provide seamless customer experience when financial solution changed from Vison plus to HPS for Debit cards. Client: DBS PVT Bank LTD. Regions: Singapore

• Tested debit card life cycle processes including card issuance, PIN generation, activation.
• Validated authorization flows (POS, ATM, eCommerce, contactless, CNP) using host simulators
• Conducted ISO 8583 message validation for online/offline authorization requests.
• Prepared detailed test cases, test data, and execution plans aligned with business requirements.

Senior Test Engineer - Project 2: Credit card: Vision Plus LUI (V 10) Migration at Tata Consultancy Services (TCS) (2022-02 – 2025-09)

This Project aims to provide seamless customer experience when financial solution changed from Vison plus V8 to Vison plus V10 LUI. Been engaged for Test Analyst for Financial Authorization System (FAS) and Transaction processing (TRAMS). Client: DBS PVT Bank LTD. Regions: Singapore & Hong Kong.

• Performed end -to end functional testing on Vison Plus FAS & TRAMS Modules
• Validate migrated data and business functionality.
• Had detailed discussions with business users to understand requirements, clarifications, and pain points and Shared/communicated the consolidated inputs with the offshore team for testing Activities
• Support UAT and defect triage.

Software Test Engineer - Project 3: Digital Banking – UAT & E2E Testing at Tata Consultancy Services (TCS) (2022-02 – 2025-09)

This project involved testing digital banking applications and validating end-to-end customer banking journeys across accounts, cards, ATM, wallets and other banking services. The focus was on ensuring functional correctness, integration between systems, and successful UAT and regression validation. Client: DBS Bank Singapore

• Performed Functional, UAT, Regression, Integration and E2E Testing for digital banking applications.
• Tested Wallets, CASA, Debit/Credit Cards, ATM and Banking Services.
• Executed manual and automated regression testing and validated UI and backend results.
• Understand the Software Requirements and Project Functionalities.
• Performed Functional, Integration, Regression, Negative and SystemTesting.
• Defect logging and tracking.
• Designing RTM and mapping the requirements to related to test cases.
• Identifying Automation Scenarios from the set of Test cases/User stories identified in the cycle.
• Developing Web Automation Test cases for the identified Automation Scenarios.
• Execution of test cases using selenium Tool and proper logging, tracking, retesting and closure of defects in ALM.
• Sending project daily status reports.

B. Tech in Electronics & Communications Engineering – Rajeev Gandhi Memorial College of Engineering and Technology (2021)