# Winnie Chai > Founding Designer @Stealth startup | Ex-Google Cloud Security | Ex-Palantir | Ex-Paypal Location: Mountain View, California, United States Profile: https://flows.cv/winnie ## Work Experience ### Product Designer @ Stealth AI Startup Jan 2025 – Present | Palo Alto, California, United States designing all things! ### Staff UX Designer @ Google Cloud Security Jan 2022 – Jan 2025 | Palo Alto, California Lead designs for Gemini in Security Operations. Created foundational designs for SecOps Search, Detections, Investigations, and Alerts along with data visualizations associated with them. ### Senior Interaction Designer @ Google Cloud Security Jan 2019 – Jan 2022 | Palo Alto, California Google Cloud... ### Product Designer @ X, the moonshot factory Jan 2019 – Jan 2019 | Mountain View, CA Project Chronicle - Working with sales, engineering, and product team closely to iterate on designs and priorities. Conducted user research with customers onsite and iterating designs based on their feedback. Challenging myself to find innovative design solutions in the world of cybersecurity. ### Product Designer @ Palantir Technologies Jan 2013 – Jan 2019 | Palo Alto, CA Create simplicity and usability by applying user research, prototyping and ideation. Helping customers gain insights by using data visualization and intuitive interactions to manipulate their views. Dealing with complexities involving RBAC combined with classifications. Participated in and ran internal design workshops/sessions. Experience in working with various customers including small businesses, non-profits, and large government agencies. ### Principal Quality Engineer @ Palantir Technologies Jan 2009 – Jan 2013 Ensure quality user experience. Front and backend testing including writing automation, regression testing, and manual testing. Setup and installation of staging environments (requiring knowledge of Linux and SQL). Work closely with development team throughout development cycle. Participated in User research ### SQA for DevPlat team @ eBay / Paypal Jan 2008 – Jan 2009 Help create process for newly developed team at PayPal. Help setup and test new framework. Ensure connectivity and successful API calls. Helped to document new processes and wrote testcases. Supported multiple teams that relied on new framework. ### Senior Software QA Engineer @ PayPal/eBay Jan 2005 – Jan 2008 · Work in the Financial Systems department dealing with back-end testing of batch tools and data validation in database. · Write test automation in Python. · Perform 3rd party integration testing. · Develop and document test plans and procedures · Execute, analyze, document test results, and work closely with the developers to isolate and reproduce defects. · Participate in technical design and code reviews ### SQA Engineer II - Fraud and Risk @ PayPal/eBay Jan 2002 – Jan 2005 · Test engineer for the Fraud and Risk team to help test features that prevent fraud activities such as identity-theft, spoof, bad credit cards, phishing, etc. · Develop and document test plans and procedures · Interact closely with members of the cross-functional team · QA Lead for particular features resulting in successful testing through to production. · Create test automation ### Software Developer @ Calient Networks Jan 2000 – Jan 2001 · Worked in NMS group to develop network management software for fiber optic switch. Developed and maintained TL1 using C/C++, ensuring compliance with Telcordia standards and specifications. · Developing GUI for web NMS, designing most of the web pages graphics and layout. Used Dreamweaver, EMWEB, JSP, HTML, HPOV, TimesTen and PHP to provide integration to the optical switch. · Worked on network element gateway using JAVA (JMS). ## Education ### BS in Computer Science California Polytechnic State University-San Luis Obispo ## Contact & Social - LinkedIn: https://linkedin.com/in/winnie-chai --- Source: https://flows.cv/winnie JSON Resume: https://flows.cv/winnie/resume.json Last updated: 2026-02-23