• Led QA strategy for fraud detection engines, digital wallets, card linking, and real-time payments aligned with AML, KYC, PSD2, ISO 8583 compliance.

• Designed cross-platform automation frameworks using Selenium, Cypress, Playwright, Appium, integrated with TestNG, JUnit, PyTest, Cucumber, SpecFlow and Jest for unit-level assertions.

• Validated REST, SOAP, GraphQL, and gRPC APIs with Postman, SoapUI, grpcurl, Pact v4, WireMock, enforcing OAuth2, JWT, schema contracts, and payload security. Performed end-to-end RESTful API testing with Rest Assured and Go-based service validations.

• Integrated API contract tests into CI/CD pipelines using GitHub Actions, Jenkins, AWS CodePipeline, embedding static and dynamic scans via Fortify, SonarQube, Checkmarx. Implemented pipeline validations with PowerShell scripts for environment setup.

• Implemented Google Cloud-based computer vision and AI-driven fraud detection workflows for identity verification and anomaly detection.

• Led QA for EHR/EMR platforms, claims engines, and member/provider portals, ensuring HIPAA, HITECH, FHIR, HL7, and EDI 837/835/277 compliance.

• Developed automation frameworks using PyTest, SpecFlow, TestNG, Cucumber, Behave, supporting BDD/TDD and integrated with CI/CD pipelines (Azure DevOps, GitHub Actions). Built robust test plans, test cases, and automated test scripts for functional and regression suites.

• Validated APIs across REST, SOAP, GraphQL with Postman, REST Assured, REST Assured, Karate, Pact v4, WireMock, Mountebank, and OpenAPI contracts. Created test suites for complex system integrations across provider and member systems.

• Conducted database validations on Oracle, PostgreSQL, MongoDB, Cosmos DB, and Cassandra, ensured accuracy in patient, provider, and utilization records.

• Built ETL test suites for Azure Data Factory, Hive, PySpark, Informatica, and Snowflake, verifying PHI data lineage, transformations, and source-target mappings.

• Built UI test frameworks using Selenium (Java), Cypress, Playwright, integrated with TestNG, JUnit, and Gherkin-based Cucumber.

• Developed API test suites for REST, SOAP, GraphQL, gRPC using Postman, SoapUI, REST Assured, grpcurl, Pact v4, and schema validation tools.

• Designed mocking/simulation for SNMP traps, legacy PLM APIs, device config flows using WireMock, Mountebank, Mockito.

• Performed protocol-level validations for SNMP, Netconf/YANG, BGP, OSPF, ICMP, and Cisco custom APIs for provisioning.

• Tested encrypted communication flows: TLS handshakes, SSO, OAuth2, JWT, certificate rotation and expiry validation. Conducted security testing using OWASP ZAP, Veracode, Burp Suite, Fortify, SonarQube, and AWS GuardDuty + Shield.

• Integrated Spring Boot service validation into automation suites for SD-WAN management APIs.

• Automated and validated microservices across search, payments, recommendations, and last-mile logistics with OAuth2, JWT, and schema contract testing.

• Developed CI/CD pipelines via Jenkins, Maven, and AWS CodeBuild to execute regression, smoke, and sanity suites nightly.

• Performed ETL and batch validation on pricing and inventory workflows using AWS Glue, Hive, and Redshift.

• Validated mobile apps using Appium, BrowserStack, and ADB; executed tests for Android/iOS versions of Amazon Shopping and Prime Video.

• Conducted performance testing using JMeter and LoadRunner to simulate peak-season traffic and backend stress conditions. Enhanced test pipelines with Node.js scripts for event-driven automation triggers.

• Applied continuous improvement practices to A/B testing automation flows.

• Built tests for event-driven architectures with SQS/SNS, Lambda, and ensured idempotency and retry logic.

• Built automation frameworks using Selenium WebDriver (Java), TestNG, and Page Object Model (POM) for enterprise web platforms.

• Validated SOAP/REST APIs using SoapUI, Postman, and REST Assured; performed XPath and schema checks for integrations.

• Executed UFT/QTP scripts for legacy ERP systems and integrated workflows using HP ALM and Excel macros.

• Performed backend validation using SQL across Oracle, MySQL, and SQL Server; tested financial, inventory, and user data.

• Developed JMeter and LoadRunner scripts for performance/load testing with SLA validation.

• Automated key flows for ERP, CRM, billing, inventory, and batch interfaces; enabled cross-browser testing using Selenium Grid.

• Validated file-based integrations (CSV/XML) and job triggers for sales, order processing, and credit workflows.