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Rockville, Md, Us

Us

- Implemented PIMixture analytic tool (Backbone.JS frontend + Flask/Python backend + Pyper- Implemented Ansible scripts for server provisioning and application deployment - Designed and implemented data loader to migrate data from Postgres to Neo4j graph database

Us

- Added dynamically generated charts (HTML5 canvas) to replace static JPEG for Lung Cancer Screening Risk Assessment tool.- Added organization endpoints for User Info API (ExpressJS + MongoDB)

Albany, N.Y., Us

• Led a group of 3 developers (graduate students), maintained Knowledge Forum 6 - an educational web application used in hundreds of schools in over 19 countries in the America, Europe, Asia, Australia and New Zealand. • Supervised design and implementation of 8 new major features.

Albany, N.Y., Us

- Lead Teaching Assistant of ICSI 518 - Software Engineering (Graduate level)- Taught lab sessions: including web application development, version control system (Git) and design patterns.- Design assignments and term projects.

Albany, N.Y., Us

Knowledge Forum (Node.js, Express.js, AngularJS and MongoDB) https://kf6.ikit.org• Implemented database migration tool using Python with PyMongo and MySQL Connector, enabled migration from V5 MySQL to V6 MongoDB, saved over 5 years of data for V5 users.• Redesigned MongoDB schema and login module, provided backward compatibility for V5 password encryption algorithm, increased V6 user base by 30%.• Implemented integration with Idea Thread Mapper by creating a new object notification module using Socket.io/WebSocket and Pub/Sub pattern. • Fixed over 30 bugs, reduced user complains from 10 complains a month to 2 complains a month.• Set up 2 Linux servers in Singapore and Hong Kong. Reduced response time from over 700ms to less than 100ms in serving areas.Shaban (Swift, Node.js/Sails.js and MySQL) • Designed and implemented backend RESTful web services using Sails.js/Node.js, Waterline (ORM) and MySQL database. https://github.com/n2iw/Shaban_server • Designed and implemented course management MVC web application with Sails.js, HTML, CSS and Bootstrap.• Designed and implemented iOS mobile app with Swift 2. Provided offline usage support by using Core Data to store data locally. https://github.com/n2iw/Shaban_iOS • Designed and Implemented live chat feature on server side and in mobile app, using Socket.io/WebSocket.

• Designed and implemented Ham Scheduler - a reservation management system. (PHP, MySQL, JQuery) https://github.com/n2iw/Ham-scheduler• Finished first working prototype in 3 days, deployed first beta version in 2 weeks.• Set up over 30 instances (one for each club), served over 5000 users in the first year. • Recommended by American Radio Relay League (ARRL) http://www.arrl.org/contests/update/?issue=2017-08-23

Shenzhen, Guangdong, Cn

• Implemented Caller ID function for DMC-1900 telephone exchange.• Implemented GPS clock synchronization function, reduced time difference from over 10s to under 500ms.• Fixed all known bugs in call handling and wireless protocol module, improved reliability to 99.9%.

Master Of Science - Ms, Computer Science

Bachelor Of Engineering (Beng), Electrical Engineering