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ENMANUEL DE LEON

@enmanueldeleon

Senior QA Analyst at BairesDev, where I built a Selenium framework that cut testing time by 40%.

At BairesDev, I built a Selenium WebDriver framework that reduced testing time by 40% and increased test coverage by 25%. I also developed reusable Postman API collections that cut regression testing time by 45%.

At the Tax Department of the Dominican Republic, I led a shift-left testing strategy across three development teams and built a regression suite that shortened test cycles by 30%. I hold ISTQB Foundation Level Tester and Agile Tester certifications, along with certifications in mobile app testing and Scrum.

Experience

Work history, roles, and key accomplishments

Current

Senior QA Analyst / Test Automation Engineer

Current

BairesDev

Jan 2025 - Present (1 year 9 months)

Built Selenium WebDriver framework from the ground up, reducing testing time by 40% and increasing test coverage by 25%. Developed 30+ reusable Postman API collections, cutting regression testing time by 45%.

Selenium Webdriver Cypress TypeScript JavaScript Postman RabbitMQ Charles Proxy SQL PostgreSQL SQL Server Docker Java TestFlight Android Studio Bitbucket

Senior Manual Tester

Resolvit / Aditi

Jan 2024 - Jan 2025 (1 year)

Tested 40+ API endpoints using Postman, ensuring 99.8% accuracy. Responsible for creating, running, and following up on test cases.

Java Selenium Swagger TestNG Cucumber BDD BrowserStack MySQL Oracle DBeaver CI CD Postman

Senior Software QA Analyst / Test Automation Engineer

Tax Department of the Dominican Republic

Jan 2017 - Jan 2024 (7 years)

Mentored 2 junior QA engineers in Behavior-Driven Development (BDD), improving test accuracy by 40% and team efficiency by 25%. Led shift-left testing strategy across 3 development teams, reducing production bugs by 65%.

Selenium Webdriver Appium Postman SQL Server MySQL AWS Lambda Jira Git

Senior Software QA Engineer

BHD Bank

Jan 2015 - Jan 2016 (1 year)

Supervised 2 QA analysts across multiple internal banking projects, ensuring quality standards and delivery timelines were met. Executed automation testing using Rational Functional Tester (RFT), Selenium WebDriver, and Java.