Java Python Programming Language SQL Git Linux Machine Learning Data Analysis C Python Algorithms Data Mining Numerical Analysis Statistics Apache Pig R Time Series Analysis Statistical Modeling Mathematical Modeling Operations Research Apache Spark Shell Scripting scala Optimization CPLEX Monte Carlo Simulation Pig Vim                          Master of Science (MS), Statistics University of Washington Master, Industrial Engineering University at Buffalo BS, Mathematics Sichuan University Staff ML Engineer / Engineering Manager Google Senior Software Engineer Google Software Engineer Google Staff Data Scientist LinkedIn