I will graduate in Dec and join in Google New York Office as Software Engineer in Feb 2016. In my spare time, I enjoy attending hackathons, coding challenges and developing Chrome extension. Belief: Software + Innovation = Future

Software Development Engineer Intern @ - Worked in Amazon Web Service EC2 Networking Team and developed a network performance dashboard for internal use - Developed the backend services using Python, Shell, AWS CLI, DynamoDB and SQS - Implemented the front end website using JavaScript, HTML and CSS From May 2015 to August 2015 (4 months) Greater Seattle AreaSoftware Engineer @ Developed real time monitoring and data analysis software for drilling oil well, which is used by drilling engineers to make drilling decisions in real-time. It needs to continuously read, store, and interpret real time data for weeks, dealing with huge volume of data with a very fast reading and computing performance. The software is developed on Windows by a team of 10 people. And there are about 8 million lines of code, mainly in C++ and C#. My responsibilities include: - Implement the general project management and data import/export, upload/download features - Maintain the existing functions including computations and data display - Added MS unit tests (coverage 30%) to ensure the code and product quality - Acted as Scrum master and facilitated the agile process From June 2012 to May 2014 (2 years) Beijing City, ChinaSoftware Engineer Intern @ Developed a Component Configuration Software using C# and MySQL, that helps field engineers to manage the utilities and results in saving 1 hour per day for the customers From July 2011 to August 2011 (2 months) Xi‘an, Shaanxi, China

Master’s Degree, Computer Science, 4.0/4.0 @ Columbia University in the City of New York From 2014 to 2015 Master's Degree, Control Science & Engineering, 88/100 @ Xi'an Jiaotong University From 2009 to 2012 Bachelor's Degree, Electrical Engineering, 88/100 @ Xi'an Jiaotong University From 2005 to 2009 Di Ruan is skilled in: Java, Algorithms, Amazon Web Services (AWS), SQL, Python, Distributed Systems, Linux, NoSQL, TCP/IP, JavaScript, C++, C#, Ruby, Software Engineering, PHP