Sean Lo

Technical Skills

Languages: Python, Bash, JavaScript, TypeScript, C, C++, Java, Groovy, SQL, HTML5/CSS3
Tools/Frameworks: Git, AWS, Jenkins, Selenium, Docker, Kubernetes, Appium, GraphQL, REST, React, Django, Node.js, PostgreSQL, Grafana, PyTorch

Cupertino, CA Apr. 2024 - Current

Architected and led development of the team’s core data collection framework, enabling automated data capture for anti-spoofing and Face ID
Defined and drove the technical strategy for data collection pipelines, collaborating with cross-functional teams to implement feature requests
Spearheaded framework adoption and scaling onboarding efforts across the organization
Provided technical mentorship to team members, guiding them through technical challenges and career growth

San Francisco, CA Nov. 2021 - Mar. 2024

Developed and maintained a Python Appium Client/Server pytest testing framework for PS4, PS5, Windows, and Web that was utilized by 1,000+ developers and testers
Implemented and standardized CI/CD release pipelines utilizing Jenkins, Bash, and Groovy, facilitating automated semantic releases for 50+ teams delivering PlayStation React Native-based applications
Maintained and shipped features for a crucial PlayStation Network tool in JavaScript with Node.js and MongoDB, processing 100,000+ calls weekly across API, Web, and CLI for development and testing
Took ownership as both tech lead and product owner of a pivotal tool, driving localization automation and testing across PS4, PS5, and Windows platforms
Proactively led refactoring effort of multiple Python-based internal tools leveraged by 20+ teams daily for development, testing, and nightly regression jobs
Crafted a Python-based Telemetry app with MongoDB and Grafana, enabling shareholder insights and improving KPI monitoring and decision-making
Developed and led training workshops and tutorials for 200+ developers on the testing framework and other tools
Provided mentorship to team members, assisting them in navigating their career paths while sharing my expertise

San Francisco, CA Mar. 2021 - Nov. 2021

Assisted in the successful launch of PlayStation Direct’s expansion to Europe for 10+ countries reaching 10,000,000+ monthly visitors
Developed Selenium automation test plan and strategy for PlayStation Direct’s checkout system and drove implementation of automated end-to-end test suite ensuring 100% coverage with a focus on stability and maintainability
Designed, developed, and enhanced internal JavaScript Selenium WebDriver libraries for interacting with Web interfaces on the PlayStation websites, ensuring robust and efficient testing processes
Implemented and integrated CI/CD strategies using Groovy and Jenkins to improve testing and development efficiency and effectiveness
Worked in collaboration with the QA Lead, developers, project manager, and various stakeholder teams to ensure the continuous delivery of product releases

Redlands, CA Jun. 2020 - Mar. 2021

Oversaw end-to-end release and testing of flagship ArcGIS enterprise products across 6 web and mobile platforms with ArcGIS Dashboard reaching 1,000,000,000+ calls daily
Designed and maintained automation scripts for key products using Python, Selenium, and Jenkins, ensuring efficient and reliable testing of these products
Performed rigorous testing on Release Candidates to ensure the high quality and stability of product releases
Collaborated with Project Managers, Product Engineers, and other teams to ensure the successful release of products

Fremont, CA Jun. 2019 - Sep. 2019

Contributed to the design and maintenance of data collection tools utilizing JavaScript, MySQL, Node.js, React and AWS
Researched and implemented Java Native Access (JNA) to convert C to Java, which reduced SDLC by 80% and omitted the need for boilerplates

B.S. Computer Science - Oregon State University Sep. 2017 - Dec. 2019

B.A. Business Economics - University of California, Riverside Sep. 2013 - Jun. 2017