# Charles Sun > Senior Software QA Engineer Location: Los Angeles, California, United States Profile: https://flows.cv/charlessun ## Work Experience ### Senior Software Quality Assurance Engineer @ Zefr Jan 2024 – Present | Marina del Rey, California, United States ### Senior Software QA Engineer @ Slingshot Aerospace Jan 2022 – Jan 2023 -Implemented CI/CD pipelines with Playwright (TypeScript) for automated UI and API tests -Developed performance tests with K6 tool and analyzed results -Conducted root-cause analyses, prioritized bug fixes, and delivered comprehensive testing reports ### QA Automation Engineer II @ ConsumerTrack, Inc. Jan 2020 – Jan 2022 | El Segundo, California, United States -Developed automated tests for validating packet data -Migrated Codeception automated tests to Autify testing tool ### Engineer III - Quality @ Ticketmaster Jan 2020 – Jan 2020 | West Hollywood, California, United States -Validated new data sources within one week of COVID-19 shutdown, enabling prompt launch of Refund/Credit report for refund tracking during the pandemic -Collaborated with developers to streamline build deployment in GitLab CI/CD, reducing build time from 45 to 15 minutes -Integrated automated tests into CI/CD pipeline with Cucumber JVM and selenium using AWS containerized Selenium grid -Orchestrated production releases, managed configuration changes, and maintained release change logs ### Engineer II - Quality @ Ticketmaster Jan 2017 – Jan 2020 | Hollywood -Managed Belarusian offshore team for B2B Mobile app -Developed and maintained automated mobile tests using Jest and Appium -Configured physical iOS and Android devices in GitLab CI/CD -Coordinated new version releases and hotfixes, obtaining approval from multiple markets including US, UK, Canada, Netherlands, and Germany ### IT Test Specialist III @ The Aerospace Corporation Jan 2016 – Jan 2017 | El Segundo -Lead QA across multiple projects focused in workflows and business processes -Developed and maintained automated regression tests with JVM/Cucumber -Tested JS front and back end REST services ### QA Engineer @ Ticketmaster Jan 2015 – Jan 2016 | 7060 Hollywood Boulevard, Hollywood, CA 90028 -Manual and automation testing for metrics reporting web application -Developed automated functional and regression tests using Java/Cucumber -Deploying and clearing QA builds after smoke/sanity/regression testing -Story and bug tracking via Jira -Front-end and back-end testing and analysis ### Quality Assurance Analyst @ SQAsquared Jan 2014 – Jan 2016 | Tustin ## Education ### Bachelor of Science (B.S.) in Business Administration in Computer Information Systems California State Polytechnic University-Pomona Jan 2011 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/charlesbsun --- Source: https://flows.cv/charlessun JSON Resume: https://flows.cv/charlessun/resume.json Last updated: 2026-03-22