# Yutong Sun > Software Engineer at Google Location: San Francisco Bay Area, United States Profile: https://flows.cv/yutongsun I’m a software engineer currently working at Google. Previously, I worked at Unity Technologies building data+privacy solutions. Previously, I worked at Pinterest Ads. I’m passionate about ML, Streaming, Databases, API design. To learn more about my background, please email me at sytheidi@gmail.com. ## Work Experience ### Software Engineer @ Google Jan 2021 – Present | Mountain View, California, United States YouTube Ads Infra ### Software Development Engineer @ Amazon Jan 2020 – Jan 2021 Alexa Shopping ### Software Engineer @ Unity Technologies Jan 2020 – Jan 2020 | San Francisco Bay Area o Worked on Ads Data Privacy team to develop Unity Ads privacy products. o Built an Information Retrieval Service in Go with REST API to process developers/players privacy requests. o Designed and implemented network opt-out solution to enable players to opt-out from Unity Ads entirely. o Used RabbitMQ queuing mechanism and a Go processor to process and audit data disclosure requests. o Utilized ETL jobs to aggregate PII data in batch into BigQuery tables to minimize cost. o Developed stream processing dataflows using Samza in Java to store events to Cassandra and enrich events. o Developed attribution flow using Kafka, Java, Cassandra. o Developed game configuration service using Kafka, LRU cache, MongoDB and gRPC. o Built a bot detection system using Cloud Functions for Firebase. ### Software Engineer Intern @ Pinterest Jan 2019 – Jan 2019 | San Francisco Bay Area o Worked on International Ads team as a backend engineer to build international targeting experience. o Built a Region Targeting feature using Python, Java, Go, Trift to allow advertisers to target specific regions. o Organized field Schemas across API Stack, Hadoop Ecosystem, Indexing, Serving, and MySQL Database. o Completed in place GEO field migration using Java and MySQL database. o Built GEO taxonomy data using Python to replace legacy data and provide hierarchy for region targeting. o Developed unit/integration tests in Python, Java, Go. o Utilized A/B testing to ensure Region Targeting results. ## Education ### Master of Science - MS in Electrical and Computer Engineering UCLA ### Bachelor of Science (B.S.) in Electrical and Computer Engineering UCLA ### High School Diploma Beijing No.4 High School ## Contact & Social - LinkedIn: https://linkedin.com/in/yutongs --- Source: https://flows.cv/yutongsun JSON Resume: https://flows.cv/yutongsun/resume.json Last updated: 2026-03-22