Software Engineer @ Part of the growth and engagement team for social products! From October 2013 to Present (2 years 1 month) Mountain View, CaliforniaSoftware Engineer @ ◌ Worked in the Cache Performance Team - oversaw the performance of cache servers and developed tools to ensure a sleek fast experience when you use Facebook to connect with your friends ◌ Been given a full time employee offer at the end of the internship :: Key Projects :: ◌ CacheCow - Cache Server Optimisation Tool # Developed an internal tool from ground up for deriving the optimised configuration for cache servers ◌ Photo Postcards - Hackathon Project # Implemented a feature on Facebook to allow users to send physical postcards to their friends with their photos on Facebook. Featured on Techcrunch: http://techcrunch.com/2012/08/09/facebook-postcards/ ◌ Internal Tools improvements # An example is the implementation of a different back-end for Claspin, a server-monitoring tool. Techcrunch introduced Claspin nicely in details: http://techcrunch.com/2012/09/19/a-peak-at-facebooks-insanely-awesome-monitoring-tool-claspin/ From July 2012 to September 2012 (3 months) Menlo Park, CaliforniaComputational Scientist @ ◌ Worked as part of the Business Intelligence and Computation Team, tasked with exploring and developing new technologies in the areas of business intelligence and data mining :: Key Projects :: ◌ Passage planning system for the Marine Department of the Hong Kong Government ◌ HSBC staff incentive scheme computation system ◌ Efficiency optimisation for a power plant in Sanhe, China From July 2011 to September 2011 (3 months) Hong Kong Technology and Science Park

Master of Science (MSc), Computer Science, Distinction @ University of Oxford From 2012 to 2013 Bachelor of Arts (BA), Physics, First class honours @ University of Oxford From 2009 to 2012 GCE 5As @ Dulwich College From 2007 to 2009 Paul, Tsui is skilled in: Python, PHP, JavaScript, SPSS, Haskell, Java, C, C++, iOS development, Django, HTML, CSS, jQuery, LAMP, Apache, Wordpress, MySQL, Hive, Hadoop, Unix, Scala, Visual Basic, VBA, Matlab, FDR, Photoshop, Illustrator, Flash, InDesign, Algorithms, Hacking, Data Mining, Information Retrieval, Big Data, Ruby, Bash