Simon Yu Email & Phone Number

Sunnyvale, Ca, Us

- GAI Embedding: Led an org-wide initiative to develop a unified GAI embedding pipeline, enhancing personalization and operational efficiency while establishing a cross-team knowledge repository.- Brand Foundation: Leading campaigns optimization (including text, video, CTV, and more) for Reach, Frequency, and Dwell time to ensure that advertisers' messages reach their intended audience with maximum ROI, thereby increasing brand awareness.- GAI Recommendation: Initiated and executed the GAI integration into the recommendation platform, catalyzing more informed decision-making, amplified campaign performance, and accelerated revenue generation.- Advertiser and Sales Recommendations: Leading the Recs Platform which aims to provide a trustworthy, consistent, and manageable service to support cross-domain recommendations, as well as to enhance recommendations onboarding experiences.

Sunnyvale, Ca, Us

Led engineering team to build a platform (GlassElevator) which is a centralized analysis marketplace to help data scientists productionize their methodologies. GlassElevator provides execution management, exploring analyses, customized UI, report visualization, and integration with other upstream and downstream data sources and systems.

Sunnyvale, Ca, Us

- Led the application engineering team for T-REX, the LinkedIn Targeting, Ramping, and EXperimentation platform, which empower all LinkedIn employees to make the best informed and timely data-driven decisions for 500M LinkedIn members.- LinkedIn Data Apps Application Leadership Award- LinkedIn Data Apps Application Craftsmanship Award

San Francisco, Ca, Us

Shop team, an eCommerce site with $40M in annual hardware sales revenue.- Architect Shop 2.0: Leverage on Solidus(an open source eCommerce application, a fork of Spree) to build Square's next generation eCommerce site with sophisticated shopping cart and promotion code features.- Internationalization(i18n): Integrated i18n to app and launched in Japan, the first non-english country for Square, then followed by Australia.- Fulfillment pipeline: Improve and maintain the integration between Square and 3rd party fulfillment vendors.Growth Onboarding team, building onboarding infrastructure for acquisition, referral, signup, and engagement.

Adding and maintaining features to Python-based infrastructure. Developing APIs that are consumed by mobile clients, web site, and third parties. Using Python, Redis, MySQL, Pyramid, SQLAlchemy, pymox, Git, and AWS (EC2, S3, CloudFront, SQS).- Activity Feeds: Serving variety of content from multiple data sources according to user's behavior and settings. - Experiment Framework: Integrating Google Analytics and Mixpanel with our backend servers.- Redis memory usage tuning: Adding user caching layer to entire code base and optimizing code to reduce the memory usage.

San Francisco, California, Us

Software engineer, using Ruby on Rails, jQuery, haml, Sass, Heroku, GitHub, MySQL, Memcached, SimpleDB. Providing mobile advertising and publishing platform which service for 500 million mobile users with 90 million monthly active users all over the world.

Developed and maintained high scalability server architecture supporting millions of textPlus mobile clients on iPhone and Android, using Spring, Hibernate, Tomcat, ActiveMQ, Solr, MySQL, Memcached, and NoSQL Voldemort.- Responsible for API server to deliver 5 ms with 1 billion messages a month and 1000 messages per second during peak hours, for top rated iPhone/Android application textPlus with 20 million downloads.- Completed life-cycle development of MySQL Database partition for existing 50 million member records and new coming members.

Nashville, Tn, Us

Java developer in design, development, maintenance, and delivery of advanced solutions to our clients, such as UCLA hospital, Yale hospital, Medicare, Blue Cross, Aetna, and Cigna. I am the major designer and developer in Payment Manager, which is an electronic payment and reconciliation solution that increases visibility of remittance data and facilitates the electronic transfer of funds from the payer network.

Master, Computer Science

Master, Mathematical Finance

Bachelor, Computer Science