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Sai Sivakumar

@saisivakumar1

Senior Manual QA Engineer in healthcare claims and banking payments; improved regression turnaround by approximately 40%.

India

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What I'm looking for

Software Test Engineer

Senior Software Quality Assurance Engineer with 8+ years of experience in Manual, Functional, Regression, Integration, System Integration (SIT), and End-to-End Testing of enterprise web applications and APIs.

I specialize in designing comprehensive test scenarios, executing detailed test cases, identifying critical defects, validating complex business workflows, and ensuring reliable software releases.

My technical expertise includes Manual QA, API Testing using Postman and REST Assured, SQL and Database Validation, Backend Testing, Defect Management, and Agile QA processes. I also have experience with Selenium WebDriver, Java, TestNG, Jira, Azure DevOps, and CI/CD workflows.

I bring 5 years of US Healthcare domain experience, including claims processing and X12 EDI transactions such as 837I, 837P, and 835. This background enables me to understand complex business requirements and validate data-intensive applications.

I am seeking fully remote opportunities with international product companies, SaaS businesses, and healthcare technology organizations.

Experience

Work history, roles, and key accomplishments

QA Engineer

IBM

Aug 2026 - Sep 2026 (1 month)

Worked on enterprise banking applications, focusing on manual functional testing, payment processing, transaction validation, and database testing.

Manual Testing Functional Testing Regression Testing SQL Defect Management Jira Banking

Senior Test Specialist

IBM India Pvt. Ltd.

Aug 2026 - Sep 2026 (1 month)

Supported requirement analysis, manual functional and regression test execution, defect verification and QA coordination for enterprise applications. Validated REST API behavior with Postman and collaborated with developers and business stakeholders on defect investigation and release readiness.

Manual Testing Functional Testing Regression Testing Defect Management REST API Testing Postman Agile QA Coordination

Senior Test Engineer

HCL Tech

Nov 2021 - Aug 2026 (4 years 9 months)

Worked as a Senior Test Engineer on enterprise US Healthcare applications, specializing in manual functional testing, healthcare claims validation, API testing, and database verification

Senior Test Engineer

HCL Technologies

Nov 2021 - Aug 2026 (4 years 9 months)

Designed and executed 500+ test cases covering claims submission, adjudication, eligibility, benefits and digital ID-card workflows. Led manual functional, regression, integration and end-to-end validation of payer applications; supported test planning, defect triage and UAT.

Manual Testing Functional Testing Regression Testing Integration Testing End To End Testing SQL Oracle MySQL Postman Rest Assured X12 Healthcare Claims Agile Defect Triage UAT

Senior Process Executive - Data

Cognizant Technology Solutions India Pvt Ltd

Jun 2018 - Dec 2021 (3 years 6 months)

Worked on enterprise banking applications, focusing on manual functional testing, payment processing, transaction validation, and database testing.

Manual Testing Functional Testing Regression Testing SQL Defect Management Jira Payments Banking

Senior Executive QA

Cognizant

Jun 2018 - Dec 2021 (3 years 6 months)

Executed manual functional, system integration and regression testing for fund transfers, bill payments, card workflows and payment-gateway integrations. Validated NEFT/RTGS and cross-border payment flows, checking transaction statuses, balances, business rules and data integrity with SQL.

Manual Testing Functional Testing System Integration Testing Regression Testing SQL Payments NEFT RTGS Cross Border Payments Defect Management Agile

Associate Analyst

GlobalLogic Technologies

Nov 2017 - May 2018 (6 months)

Worked as a QA Analyst performing manual software testing for web and mobile applications to ensure application functionality, usability, and reliability.

Manual Testing Excel Data Testing Content Moderation

QA Analyst

GlobalLogic

Nov 2017 - May 2018 (6 months)

Created test cases and performed manual functional, UI, compatibility, cross-browser and regression testing across web, Android and iOS. Tracked issues in Jira, verified bug fixes and prepared execution updates in Agile sprint cycles.

Manual Testing Functional Testing UI Testing Compatibility Testing Cross Browser Testing Regression Testing Jira Agile