# Yunjia (Sabrina) Yao > Sr. UX Researcher at Amazon Location: Redwood City, California, United States Profile: https://flows.cv/yunjia ## Work Experience ### Sr. UX researcher @ Amazon Jan 2022 – Present Kindle Books ### Sr. UX researcher @ Amazon Jan 2021 – Jan 2022 Alexa Essential & Connection ### UX Researcher @ Amazon Jan 2019 – Jan 2021 Amazon Alexa HHO team ### Senior UX Researcher @ UserZoom Jan 2019 – Jan 2019 | San Jose ### UX Researcher @ UserZoom Jan 2017 – Jan 2019 | San Jose, CA ### User Experience Researcher @ Blue Owl Technology Jan 2016 – Jan 2017 ### User Experience Researcher @ Gobiquity Mobile Health Jan 2016 – Jan 2016 | San Francisco Bay Area Collaborated with the design & research lead and product manager to create research space for product design sprints Contributed to the iterative prototype refining process by creating user scenarios, flows, and storyboards. Planned, recruited for, and conducted remote user interviews and usability tests to gain consumer insights Compiled and shared research findings, including conceptual ideas and detailed design rationale, to both internal and external team members for the development of new product features ### Quantitative UX Researcher @ EDM Lab Jan 2015 – Jan 2016 Mined students’ log file data in multiple web-based adaptive intelligent tutoring systems (ITS) Investigated in machine-learned detector models for user navigation patterns linked with lower learning Conducted comparative analyses in user behaviors across different ITS environments using R and SPSS Generated recommendations for ITS interface design to reduce students’ improper online learning behavior ### Instructional Designer @ Reach the World Jan 2015 – Jan 2015 | Brooklyn, New York Built and taught a world geography course to a group of 3rd and 4th graders through an online communication platform Assessed students’ progress from the perspective of content mastery and their fluency in interacting with the platform Conducted surveys and formulated reports on what design features of the platform are most/least helpful for learners ### Product Analyst @ Teachley Jan 2015 – Jan 2015 Conducted quantitative user research on a newly launched educational math game App, Addimal Adventure Created distinctive user profiles using log file data and applied clustering and sequential pattern mining analyses Explored the relationships between students’ navigation patterns and their success in game using statistical models ### Research Assistant @ UCSD Cognitive Development Lab Jan 2013 – Jan 2014 | La Jolla Involved in a longitudinal study on the emergence of joint attention and early language development in infancy Used video coding software to capture gaze fixation and shifts of infants and their caregivers during interaction Collaborated to create sustainable coding manual documentation for future coder training and research purposes ### Teaching Assistant @ UCSD Cognitive Development Lab Jan 2013 – Jan 2013 | La Jolla Planned and hosted weekly discussion sessions for a college-level introductory neuroscience course on human perception and sensation Prepared and managed supplementary learning materials on course website Graded Students’ weekly lab reports and exams ### Research Assistant @ UCSD Brain and Cognition Lab Jan 2012 – Jan 2013 | La Jolla Involved in a psycholinguistic study exploring how ERP components N400 and post-N400 positivity reveal the mechanisms behind people’s failed predictions in sentence comprehension. Conducted EEG capping on subjects, monitored the data collection process, and performed data analysis under supervision. ### Product Development Intern @ OfficialS Jan 2012 – Jan 2012 Recruited both native and foreign users to test the beta version of a bilingual social network (www.tingdong.cn) Designed, distributed, and analyzed questionnaires and interviews regarding users’ experiences with the website Acted as a liaison between the technical and design teams to improve aesthetic quality and functionality of the website ### Office Assistant @ China Foundation for Poverty Alleviation Jan 2010 – Jan 2010 Communicated with selected schools across 23 national provinces through phone calls Organized the sending and arriving information of donation packages for students in the rural areas. ## Education ### Master of Science (M.S.) in Learning Analytics Teachers College, Columbia University Jan 2014 – Jan 2016 ### Bachelor of Science (B.S.) in Cognitive Science UC San Diego Jan 2010 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/yunjia-sabrina-yao-61b466103 --- Source: https://flows.cv/yunjia JSON Resume: https://flows.cv/yunjia/resume.json Last updated: 2026-03-25