# Sheena M. > Senior Software Engineer focused on microservices and streaming performance. Location: San Francisco, California, United States Profile: https://flows.cv/sheena With extensive experience in software engineering and a focus on streaming solutions, I am currently a Senior Software Engineer at Wurl, where I specialize in microservices architecture and API integration. Passionate about crafting innovative digital experiences, I bring a collaborative and solutions-driven approach to projects that enhance user engagement. My mission is to enable seamless streaming experiences by leveraging technical expertise and a commitment to improving workflows, aligning closely with Wurl’s mission of delivering cutting-edge streaming technology. At Wurl, I contribute to the development of efficient microservices, including creating a new channel launch service and updating CDN workflows to streamline playback for streamers. My work in enhancing HLS microservice has improved operational efficiency. I thrive in environments where I can collaborate with cross-functional teams and mentor peers, applying my expertise in streaming solutions and API design to deliver impactful results. ## Work Experience ### Senior Software Engineer @ Wurl Jan 2024 – Present | San Francisco Bay Area • Developed a new microservice for launching channels, integrating launch API endpoints to streamline channel launches. • Updated CDN and channel launch microservices for flat URLs, enhancing playback control for streamers. • Led improvements in the HLSC microservice, centralizing launches for better accuracy and record keeping. ### Senior QA Automation Engineer @ Wurl Jan 2023 – Jan 2024 | San Francisco Bay Area • Led the onboarding of QA engineers into channel launching service workflows, ensuring comprehensive understanding of testing procedures. • Mentored peers transitioning into new service areas, providing technical guidance and support. • Volunteered for production launches and migrations, collaborating with the other team’s to enhance streaming performance. • Created and maintained automated test cases for launching and decommissioning of video streams based on specific requirements. ### Senior Software Engineer @ NEWNESS Jan 2020 – Jan 2023 | San Francisco Bay Area • Led the implementation of the Party feature, enabling real-time engagement for streamers and their audiences. • Developed secure access levels and streaming permissions to enhance moderation of live streams. • Managed a remote team of four, focusing on iOS app development and backend API creation. • Improved the monetization experience for streamers through UI enhancements and simplified billing features. ### Software Engineer @ Twitch Jan 2016 – Jan 2020 • Developed a player-ui buffering notification system and low latency toggling to enhance user experience. • Modernized the Player Web UI using Typescript, improving UI features and overall performance. • Designed a Selenium-based testing framework for end-to-end testing, ensuring high-quality video playback across teams. ### QA Engineer @ IGN Entertainment Jan 2014 – Jan 2016 • Developed an automation framework for functionality testing of websites, mobile applications, Ad technology, and APIs using Selenium/TestNG and Appium. • Created a robust HTML5 video player test to verify functionality and integrate Google Analytics event tracking. • Collaborated with DevOps to enhance automated deployment procedures and set up Jenkins for continuous integration. • Conducted manual verification of applications across various platforms, including web, mobile (Android, iOS, Amazon Fire), and gaming consoles (PS4, Xbox One). ### Web QA Engineer @ Perfect World Entertainment, Inc. Jan 2010 – Jan 2014 ### Frag Doll Cadette @ Ubisoft Jan 2011 – Jan 2012 | San Francisco Bay Area ### Moderation Specialist @ Sony Jan 2009 – Jan 2010 | San Francisco Bay Area ### Quality Assurance Tester @ Electronic Arts Jan 2008 – Jan 2008 ### Graduate Researcher in Interactive Narrative & Game Design @ University of California Jan 2007 – Jan 2008 | Santa Cruz, California ### 4th Key Holder/Manager @ GameStop Jan 2008 – Jan 2008 | Capitola, California ### Game Scripter @ Chronic Logic Jan 2007 – Jan 2007 | Santa Cruz, California ### Undergraduate Researcher @ UC Santa Cruz Jan 2004 – Jan 2005 ## Education ### B.A in Computer Science - Software Engineering University of California, Santa Cruz ## Contact & Social - LinkedIn: https://linkedin.com/in/smmarquez --- Source: https://flows.cv/sheena JSON Resume: https://flows.cv/sheena/resume.json Last updated: 2026-04-01