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Hi! I’m Mackeller, a Software Quality Assurance Engineer who loves turning complex test problems into reliable, automated solutions. I specialize in building scalable test frameworks using Cypress, Playwright, TypeScript, and JavaScript to deliver strong UI and API coverage. I enjoy collaborating across product, design, and engineering teams to ship high-quality software. In addition to automation, I design robust CI/CD and cross-browser testing strategies, validate REST/SQL data flows, and drive improvements in test documentation and efficiency. I’m passionate about reducing risk, increasing test coverage, and delivering fast, trustworthy releases.…Hi! I’m Mackeller, a Software Quality Assurance Engineer who loves turning complex test problems into reliable, automated solutions. I specialize in building scalable test frameworks using Cypress, Playwright, TypeScript, and JavaScript to deliver strong UI and API coverage. I enjoy collaborating across product, design, and engineering teams to ship high-quality software. In addition to automation, I design robust CI/CD and cross-browser testing strategies, validate REST/SQL data flows, and drive improvements in test documentation and efficiency. I’m passionate about reducing risk, increasing test coverage, and delivering fast, trustworthy releases.

Mack Keller

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Hi! I’m Mackeller, a Software Quality Assurance Engineer who loves turning complex test problems into reliable, automated solutions. I specialize in building scalable test frameworks using Cypress, Playwright, TypeScript, and JavaScript to deliver strong UI and API coverage. I enjoy collaborating across product, design, and engineering teams to ship high-quality software. In addition to automation, I design robust CI/CD and cross-browser testing strategies, validate REST/SQL data flows, and drive improvements in test documentation and efficiency. I’m passionate about reducing risk, increasing test coverage, and delivering fast, trustworthy releases.…Hi! I’m Mackeller, a Software Quality Assurance Engineer who loves turning complex test problems into reliable, automated solutions. I specialize in building scalable test frameworks using Cypress, Playwright, TypeScript, and JavaScript to deliver strong UI and API coverage. I enjoy collaborating across product, design, and engineering teams to ship high-quality software. In addition to automation, I design robust CI/CD and cross-browser testing strategies, validate REST/SQL data flows, and drive improvements in test documentation and efficiency. I’m passionate about reducing risk, increasing test coverage, and delivering fast, trustworthy releases.

Available to hire

Hi! I’m Mackeller, a Software Quality Assurance Engineer who loves turning complex test problems into reliable, automated solutions. I specialize in building scalable test frameworks using Cypress, Playwright, TypeScript, and JavaScript to deliver strong UI and API coverage. I enjoy collaborating across product, design, and engineering teams to ship high-quality software.

In addition to automation, I design robust CI/CD and cross-browser testing strategies, validate REST/SQL data flows, and drive improvements in test documentation and efficiency. I’m passionate about reducing risk, increasing test coverage, and delivering fast, trustworthy releases.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Software Quality Assurance Engineer at Fortive Corporation

August 20, 2022 - Present

Architected end-to-end test automation using Cypress and Playwright in TypeScript, streaming UI and API coverage. Developed a scalable Page Object Model framework with reusable selectors and utilities to improve maintainability. Automated complex UI workflows and validated REST API coverage with Swagger-based contract testing. Enhanced test case documentation for readability and usability, boosting efficiency by 20%. Employed risk-based UAT strategies, reducing test effort by 25%. Performed API and database testing with SQL, REST/SOAP, and data integrity checks. Integrated Percy and Cypress image snapshots for visual regression testing and used Git and GitHub Actions for CI/CD automation.

Manual QA Tester at Aptagon Technologies

February 1, 2019 - Present

Performed exploratory and regression testing on frontend and backend workflows, identifying critical issues early in the development cycle. Created detailed test plans and test cases, contributing to a 25% reduction in missed edge cases during regression testing. Developed automated regression suites for web and mobile using Cypress and Appium, increasing test coverage by 40% and reducing manual effort. Built and maintained cross-platform automation using Playwright and BrowserStack, ensuring consistent functionality across major browsers and devices. Implemented CircleCI and GitHub Actions into the testing lifecycle, accelerating deployment pipelines.