Test Automation Development Engineer

GABRIEL MENDEZ

Bowie, MD ***** 571-***-**** ***********@*****.*** https://www.linkedin.com/in/gabriel-mendez-gm21

SOFTWARE DEVELOPMENT ENGINEER in TEST

Seasoned QA Automation Engineer with 5+ years of experience building and optimizing test frameworks for government and enterprise web applications, specializing in Selenium, Java, and Cucumber BDD. Renowned for architecting TG Federal’s first automation suite from scratch, driving test automation strategy, and partnering closely with Booz Allen Hamilton and GSA to deliver secure, high-quality software. Expert in integrating test automation with CI/CD pipelines (Jenkins and Docker), ensuring fast, reliable, and parallelized execution.

Known for supporting multiple teams, leading knowledge sharing on automation best practices, and advancing test data validation through robust Excel automation (Apache POI) for backend-to-UI comparison. Now expanding skills in Playwright and AI-driven testing to lead QA modernization efforts. Equally skilled in manual, regression, and Section 508 testing, and valued for cross-functional collaboration, documentation, and mentoring. Bilingual (English/Spanish), quick to adapt, and passionate about delivering solutions that maximize coverage, efficiency, and quality.

KEY SKILLS

Test Automation Frameworks, Tools & Languages: Selenium WebDriver Cucumber (BDD) Java TestNG Playwright (JS/TS) Rest Assured Postman JMeter

Framework Quality & Scalability: Maintainable automation code Reusable libraries Robust test data management Scalable frameworks

CI/CD & DevOps: Jenkins Docker Maven Parallel & Headless Execution Extent Reports (PDF/Spark)

API & Performance Testing: RESTful API Automation Okta Authentication Flows JWT/Data-driven Flows Postman JMeter Hybrid Frameworks

Web & Cross-Browser Testing: Chrome Firefox Edge Responsive UI Accessibility 508/AMP Validation

Database & Data Validation: SQL PostgreSQL (DBeaver) Advanced Excel Automation (Apache POI) Data-driven Testing Automated Backend-UI Comparison

Manual & Exploratory QA: Functional/Regression/Smoke Exploratory Testing Section 508 Test Case Creation & Execution Defect Tracking

Agile & Collaboration: Agile/Scrum Sprint Planning Multi-Team Support QA Documentation Mentoring Bilingual (English/Spanish)

Test Management & Reporting: Jira Confluence Defect Tracking QA Metrics & Documentation.

Work Ethic & Soft Skills: Reliability Attention to detail Adaptability Proactive process improvement

Communication & Leadership: Written & verbal communication Cross-functional collaboration Mentoring Knowledge sharing

PROFESSIONAL EXPERIENCE

TG Federal, Remote

Software Development Engineer in Test October 2019 – April 2025

Partnering with Booz Allen Hamilton Client: General Services Administration (GSA)

Framework Architect: Designed and built TG Federal’s first custom Cucumber BDD automation framework from the ground up for the GSA TAMS application, enabling comprehensive UI, API, and regression coverage.

Test Automation Leadership: Led test automation efforts using Java, Selenium WebDriver, Cucumber, and TestNG; drove improvements in structure, maintainability, reporting, and test data management.

Multi-Team Support & Knowledge Sharing: Provided automation expertise and mentoring across multiple project teams, delivering training sessions on advanced topics including secure Okta authentication flows in automated testing.

Excel Automation & Backend Validation: Developed robust Excel data extraction and calculation scripts (Apache POI) to automate excel data validation and directly compare results against the UI—collaborating with business line partners to ensure accuracy, auditability, and compliance.

CI/CD Integration: Integrated automated test suites with Jenkins, Docker, and GitHub Actions, supporting parallel, headless, and scheduled execution. Developed automated reporting with Extent Reports (PDF/Spark) and implemented automated email notifications for stakeholders.

API & Performance Testing: Automated RESTful API validation using Rest Assured and Postman; conducted performance testing with JMeter to ensure application reliability under load.

Accessibility/508 Compliance: Performed automated and manual Section 508 accessibility testing using AMP and related tools, supporting federal accessibility requirements.

Manual & Exploratory QA: Authored and executed detailed test cases, maintained regression suites, and performed exploratory and smoke testing. Collaborated in defect triage, QA documentation, and test case management.

Continuous Learning & Advocacy: Engaged PMs and Scrum Masters to highlight the importance of Playwright and AI-driven tools for advancing test automation practices.

EDUCATION

- Syntax Technologies (Coding Bootcamp -VA)

- Bachelor of Arts (BA), George Mason University, Fairfax, VA

CLEARANCE:

- Public Trust

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