Senior QA Automation Engineer / SDET

Designed and scaled end-to-end, multi-layer test automation suites using Playwright and RestAssured for core business transactions and microservices. Increased automated test coverage from 35% to 85%.

Integrated smoke and regression suites into Jenkins and GitLab CI deployment pipelines, reducing regression testing cycles by 60%, from 16 hours to under 4 hours. Led JMeter performance, stress, and load testing that improved high-traffic API response times by 30%.

Implemented shift-left security validation for OWASP Top 10 risks, session handling, and RBAC, reducing post-deployment security defects by 40%. Conducted WCAG accessibility validation and cross-browser testing, and facilitated UAT with international stakeholders to achieve a 98% first-pass acceptance rate.

Designed and maintained test plans and execution matrices for web, mobile, and backend services, reducing production defect leakage by 25%.

Developed automated UI and API tests with Selenium and Postman, automating more than 200 repetitive test cases to accelerate sprint validation. Collaborated with engineering squads on component-level and unit testing, including edge cases, null values, and custom data rules.

Performed cross-browser and cross-device testing across more than 15 device-browser combinations, ensuring consistent user experiences at launch. Managed defects and sprint metrics in JIRA and TestRail, helping reduce mean time to resolution by 20%.

Professional engineering degree in Mechatronics Engineering.

Full Stack Development training program.