# Xuejuan (Jessie) Y. > Software Development Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/xuejuan - Software Developer - Master of Computer Science @ Rice University, graduating in Dec 2019. - Software Developer Internship @ Expedia, summer in 2019. - Experienced in AWS, Step Function, Lambda, S3, DynamoDB, etc. - Skillful in full-stack with side-projects in Desktop Application, Single Page Application, Restful API, etc. - Proficient in Java, Python, Node.js, Angular, HTML/Javascript/CSS, MongoDB, etc. - Solid knowledge in Algorithm, Data Structure, Database, Network, Security and Operating System. ## Work Experience ### Software Engineer @ Microsoft Jan 2022 – Present | Redmond, Washington, United States ### Software Engineer @ Expedia Group Jan 2020 – Jan 2022 | Seattle, Washington, United States Led and worked in several backend projects in the Risk & Fraud team, including latency improvement, reliability redesign, fraud pattern investigation and modeling, and mentorship. ### Graduate Student & Individual Contributor @ Rice University Jan 2018 – Jan 2020 Drive Faster! (Application) An open-source application to show real-time driving ETA in the menu bar, hands-free. • Created a Google Cloud Platform (GCP) application and set up Distance Matrix API. • Developed a script with Python for API integration with rate limit in consideration. • A real-time driving ETA is displayed in the menu bar with an adaptive strategy on time and date. RiceBook (full stack) a Facebook-like social network on Single Page Application w/ Restful API, MongoDB, etc. • Designed the data model and UX with functionalities including registration, authentication, profile, newsfeed, post, etc. • Constructed frontend components with AngularJS and styled with CSS and Bootstrap. • Implemented backend with Node.js for request handling and MongoDB for data storage. • Implemented test infrastructure with Karma (frontend) and Mocha (backend). Minter (website + data index w/ retrieval) A full-stack project to get daily tweets. An offline-version Twitter to serve my summer in China. • Designed and developed a multi-facet Tweeter search engine with Scrapy. • Used Apache Solr to index ~ 3M Tweets w/ multiple metrics (theme, keyword, region, etc.). • Built an AngularJS website providing advanced and responsive search functionality. The Owl Puzzle Game (Front-end) An online challenging but amusing puzzle game. • Designed the single-page application w/ navigation, sidebar and main section in styled CSS. • Implemented randomization of image pieces with adjustable difficult using HTML and JavaScript. ### Software Developer Internship @ Expedia Group Jan 2019 – Jan 2019 | Greater Seattle Area The project started as a proof of concept for performance improvement in the Enterprise Risk & Security team. Building from scratch, the project certifies the performance gain by migrating the current in-house service to AWS. The team made the decision towards full migration based on the result. • Designed and created a serverless workflow using AWS Step Function to detect transaction fraud.
 • Implemented Util classes for JSON Parsing and HTTP GET & POST Request in the transaction process.
 • Developed AWS Lambda Functions for in-house services integration. 
 • Initiated and drove the conversation with the downstream team for API endpoint compatibility. 
 • Implemented exception handling and failure recovery for system robustness in the state machine.
 • Automated the workflow by using CloudWatch with dynamically scheduled tasks. ## Education ### Master's degree in Computer Science Rice University Jan 2018 – Jan 2019 ## Contact & Social - LinkedIn: https://linkedin.com/in/xuejuany --- Source: https://flows.cv/xuejuan JSON Resume: https://flows.cv/xuejuan/resume.json Last updated: 2026-03-22