LEE TANG

acdbkn@r.postjobfree.com 604-***-**** Redwood City, CA

SKILLS

Languages (in order of proficiency): Java, C, Python, C++, JavaScript, Octave, Scheme

Query language/Storage: SQL/PL, MySQL, DB2, GAE Datastore, JDBC

Internet Technology: TCP/IP, HTTP, FTP, XML, JSON, RESTful API

Web Development: jQuery, Java servlets, Django/WSGI, GWT, Twitter Bootstrap

Distributed Systems: hadoop

Source Control: Git, Perforce

Security/Testing: SSL certificates, OAuth, Selenium framework, Valgrind

EMPLOYMENT

Software Engineer, Fortinet Apr 2013 - current

Maintained and developed web data services that track and store more than 220 million virus samples.

Built reusable utility backend apps such as LDAP login, user group management, and server side data

table processing/rendering.

Modernize web apps with Ajax and jQuery to develop fast asynchronous experience to users.

Enhanced backend performance by writing and optimizing ORM/SQLs along with correct table/index

scanning to lower database IOs, reducing queries up to 60%

W rote unit testing to test back end functionality with 97% coverage and develop unit test generator that

parses source code and generates tests.

Software Developer test intern, SAP Jan 2012 - Aug 2012

Developed core feature, a job scheduler using threads for JIRA-Streamwork bridge web app.

Implemented JIRA data parser to convert HTTP JSON response to csv using Java and JSON libs.

Designed and developed the database to store OAuth tokens /Secret and background task metadata.

Contributed development of internal Selenium web automation framework by writing modules to test

Linux server configurations such as Streamwork connectivity and SSL certificate verification.

Performed manual/automated testing on Streamwork on-premise server, leading to over 150 bugs found.

Software Developer co-op, HSBC Software House Sept 2009 - Sept 2010

Implemented the core feature, financial prediction algorithm which forecasts the upcoming budgets.

Created the database schema and wrote stored procedures for financial web app backend database.

Enhanced the project tracking Java desktop application by building a headcount-tracking feature, which

allows managers to track budgets in real time instead of relying on 6-week-old published financial data.

PERSONAL PROJECTS

Little Schemer Interpreter, Python

Developed an interpreter for a subset of the Scheme language by writing a python generator lexer and

parser to evaluate user inputted Scheme expressions. The interpreter also has proper tail recursion so

the stack does not grow. One can also register on the fly new Scheme keywords to expand the

capabilities of the interpreter.

Machine Learning, Octave

Implemented neural network algorithm to recognize handwritings of digits represented by grayscale images.

Built a simple movie recommender to predict movie ratings by implementing logistic regression algorithm.

Network Programming, C

W rote a content-filtering proxy server consisting of a client and a server side to interface with web

servers and browsers respectively.

Built an FTP client that utilizes active mode file transfer using two TCP connections (command and data).

EDUCATION

University of British Columbia, Computer Science (BCS, 2011)

Upper level GPA: 3.7; Courses in Algorithms, Software Engineering, Database, Networking, OS, Stats

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