Javier Melendez Zacarias

Results-driven Senior Test Automation Engineer with 4 years of experience designing and delivering scalable test frameworks across UI, API, and performance testing domains. Proficient in WebDriverIO, Selenium, REST Assured, and K6, with hands-on expertise building end-to-end automation suites for complex, event-driven systems on AWS. Experienced in integrating AI-assisted tooling to accelerate test case generation and defect analysis, reducing manual effort and improving coverage quality. Skilled in building and maintaining CI/CD pipelines using GitHub Actions, including reusable shared workflows and automated daily test runs. Adept at performance engineering — designing load scenarios at production scale with real-time observability through New Relic dashboards. Strong collaborator in cross-functional, cross-timezone Agile teams with a track record of owning QA from sprint planning through UAT and production release