# Zhen ZHANG > Software Engineer at Google Location: San Francisco Bay Area, United States Profile: https://flows.cv/zhenzhang ## Work Experience ### Software Engineer @ Google Jan 2022 – Present | Mountain View, California, United States ### Software Engineer @ blip energy Jan 2020 – Present | Evanston, Illinois, United States - Using a persistence framework (Springboot, Java) to build the entire server project from scratch. - Focusing on early database design, optimization and monitoring on Amazon RDS. - Creating a pipeline in Python with Pandas for scarping and processing data to support business on EC2. ### Software Engineer @ bilibili Group-MiaoSiLa Jan 2016 – Jan 2018 | Beijing City, China - Documented and tested under Jasmine.js for core Web APIs and H5 end APIs, modified redundant code, successfully accelerated 30% of response speed. - Migrated the interfaces of app end from Yii1 to Yii2, compressed 50% of the original code, enhanced security and consistency of Android and iOS end, increased 40% of development efficiency. - Conducted concurrent test under apache-AB, optimized database, established index and cache under MySQL and Memcached, doubled throughput keeping latency constant. - Replaced the generation of important caches (e.g., resource on the homepage) from visiting the page to the regular generation on the server. - Designed algorithms (e.g., content-based recommendation) to implement event recommendation. - Reconstructed message system, reduced response time by 30%. - Built PHP Interfaces with RESTful APIs for real-name authentication, user hierarchy system etc. ### Software Engineer @ LeadFit Jan 2016 – Jan 2016 | Beijing City, China - Updated class reservation system, added functions of personal membership and group membership. (PHP in Yaf framework) - Established gym management system, completed 30% of front-end code (Vue.js) and 70% of APIs (PHP in Yaf framework, based on RESTful API), and documented & tested APIs. ## Education ### Master's Degree in Information Technology Northwestern University ### Bachelor of Engineering - BE in Measurement and Control Technology and Instrument Nanjing University of Information Science and Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/zz103 --- Source: https://flows.cv/zhenzhang JSON Resume: https://flows.cv/zhenzhang/resume.json Last updated: 2026-03-29