Experience

JDT

• China
• IT Services and IT Consulting
• 300 - 400 Employee

• Machine Learning Engineer

  • Apr 2019 - Present



Ora Inc.

• China
• Computers and Electronics Manufacturing
• 1 - 100 Employee

• Architect

  • Sep 2017 - Apr 2019

  1. According to the music dataset published by Netflix, train the neural network to make more detailed song feature analysis for music content, improve the accuracy and personalization of the music recommendation system. 2. Responsible for the architecture design of the overall music recommendation system of the music cloud platform, user behavior data collection and analysis system design, song sequencing and display strategy. 3. Training and construction of technical R&D team, technical research direction and product planning - cold wallet products 4. Intelligent hotel first phase system design and cloud platform construction Show less



YueKe

• Beijing City, China

• Senior Recommondation System Engineer

  • Nov 2015 - Sep 2017

  News reading recommendation System design and implementation, including： 1. User long term/short term portrait/profile system, based on the user history and other information collected by phone to construct the user tag system. 2. News storage system including many ETL processes and news feature extraction, training sample generation and so on 3. Based on machine learning algorithm to implement recommendation engines(reall- model) 4. Learning To Rank system implementation, based on the every user’s history behavior to construct LTR model 5. Provide two pile news recommendation feed stream, real-time and near- real-time Show less



Oracle

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• Principal Engineer

  • Sep 2012 - Nov 2015

  Oracle database product line includes Oracle Database, Big Data Appliance, Oracle data mining, Oracle R solution implementation; mainly for the Japanese market to provide system POC and system implementation. 1.Softbank mobile user off-grid analysis system, based on historical data of nearly 6 months, analyzes the user's off-network possibility, including feature selection, positive and negative sample ratio adjustment, decision tree, system performance adjustment and other links. 2.An airline customer analysis system that analyzes user distribution based on user historical data, and group characteristics provide decisions for better service and revenue 3.Based on telecom data location and precision marketing systems, telecom service providers' data show dynamic population distribution to provide data support for commercial location. Show less



Rakuten.com

• United States
• Retail
• 1 - 100 Employee

• Senior Software Development Engineer

  • Sep 2011 - Sep 2012

  1. Oracle RAC system operation and maintenance, backup and monitoring, processing database problems encountered 2. Responsible for the SQL review used by the development team, optimize SQL statements and performance tuning. 3. Follow up development, complete database design, and implement database operations. 4. Participate in the website's architecture design optimization, HTTP/APP Server setup, cache system, application load balancing system, KVS system, etc. 5. Responsible for Linux system operation and maintenance, system monitoring, data center operation and maintenance; complete the configuration and operation of various functions of the system Show less



IBM

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• Senior Software Development Engineer

  • Dec 2009 - Sep 2011