Yi Xu Email & Phone Number

United States

• Working as a software developer in SimChange Team.
• Inspect and fix current bug/issue reported by customers on production.
• Support new services according to the request from the customer.
• Quick response to fix the urgent product issue and make our system more stable and be protected.
• Create new functions make currently system runs more fluently/stable/easy-to-dev.Working as a software developer in Test Productivity Team.
• Inspect and fix current bug/issue reported… Show more Working as a software developer in SimChange Team.

San Francisco Bay Area

• Solely design and implemented an ETL Dashboard (full stack) for Tapjoy’s Data Science & Analytics team using JS, CSS, HTML, Python Flask Framework, Bootstrap, Datatables on service layer, and RDS MySQL as backend.
• Involved in Data Visualization projects on Tapjoy’s Data Science Dashboard… Show more
• Involved in Data Visualization projects on Tapjoy’s Data Science Dashboard, in particular A/B test pages, using AngularJS and Highcharts in addition to all popular front-end technologies.
• Implemented a web-service tracking real-time revenue which can be broken down by Data Science algorithms and segments, using Spark streaming as data injection source and MemSQL as hot data sink. Show less

San Mateo

• Worked in new product development team helping the company’s R&D department launching new customer facing products.
• Successfully implemented the concept to integrate Apache Spark’s python API with SnapLogic’s core products within 3 months of work which significantly improved efficiency of the ETL pipelines.
• Worked on benchmark of the performance between new sort pipeline using Spark on EC2 and the existing ones using MapDB.