Gregory Alves Nascimento Santos de Santana

Designed and executed test cases for a complex, multi-module enterprise system in an Agile/Scrum environment. Performed API testing using Postman and Swagger to validate backend behavior, integrations, and expected responses. Created structured evidence documentation to support validation, traceability, release readiness, and stakeholder review. Used Azure DevOps to manage test execution, document results, track defects, and support sprint-based delivery. Tested bug fixes and pre-release builds during an internal verification rotation before production release. Validated high-risk scenarios across robust system workflows with multiple modules and release quality gates.

Established the QA strategy and test lifecycle for a new product initiative, including scope, cadence, entry/exit criteria, and release readiness. Created and maintained test plans, test cases, regression scenarios, and structured QA documentation. Managed defect tracking in Azure DevOps, including logging, triage, prioritization, retesting, and validation of fixes. Collaborated with Product and Engineering teams to support delivery predictability and successful product launch.

Supported QA across enterprise projects in NFT campaign management and rail logistics systems. Created Gherkin-based test cases in Zephyr and executed functional, regression, smoke, exploratory, integration, and API testing. Validated APIs and backend behavior using Postman, Swagger, browser DevTools, and Splunk logs. Reported defects with clear reproduction steps, expected versus actual results, evidence, logs, and business impact. Presented QA progress, blockers, and demos in English to U.S. stakeholders while bridging client and development teams.

Led QA activities for a fintech mobile banking integration project during a company acquisition. Tested critical financial workflows including PIX transfers, payments, promotions, notifications, and account-related features. Created Gherkin-based test cases in Xray/Jira. Collaborated with business, product, development, and QA teams to clarify requirements, report risks, and support integration readiness.

Executed functional, regression, exploratory, smoke, web, and mobile testing for government-sector applications. Validated frontend behavior, backend data, business rules, and user workflows using SQL and test evidence. Documented defects with clear reproduction steps, screenshots, logs, expected results, and actual results. Supported requirements clarification, test scenario design, defect triage, and validation of fixes throughout the SDLC.

Designed and executed automated test scripts in Java using Selenium WebDriver and JUnit. Validated warehouse management workflows, including UI behavior and database operations with SQL. Created reusable test scripts to improve regression coverage and reduce repeated manual effort.