Penn-defined networks - Juniper-comcast sdn throwdown

Wide area network control and analytics platform

• Competed against 9 other teams from 8 universities in US and Europe and won 3rd Place in the SDN hackathon challenge.
• Built a network management platform atop Juniper NorthStar. It can automatically reroute LSPs around failures, and operators can analyze and visualize network data using SQL.
• Rendered a real-time network topology, SQL queries, and network statistics, using React, Rest API, Ace.js and Google Maps API.
• Built a query parser using Python in the backend, which projects network telemetry streams onto a uniform timeline using interpolation.

• Source Code: GitHub
• Date: Feb 2016
• Demo: PPT, Live Demos on YouTube
• Technologies Used: Flask, React, Python, Rest API, Juniper NorthStar, HTML/CSS/JS, SQLite, C3.js, Google Maps API, Ace.js, Bootstrap

Calmly - Pennapps xiii hackathon

App for managing stress and anxiety in social situations

• Built an app that allows users to view their real-time and historical heart rate detected by the Android wear’s sensor in the background, and get notification when they are under stress (heart rate exceeds the pre-calibrated excited heart rate).
• Managed communication between phone and smart watch.
• Integrated Parse database to authenticate user and store data.

• Source Code: GitHub
• Date: Jan 2016
• Demo: Download APK, Live Demo on YouTube
• Technologies Used: Java, Android SDK (Phone & Wear), Parse

Movie Fans Social Network

Movie-themed SNS based on TMDB data

• Developed a web app where users can mark/rate/review movies, like movie stars/directors, follow each other, and share activities.
• Integrated Facebook API to allow logins with both emails and Facebook. Fuzzy search of website contents. Customized recommendations.
• Built with Node.js framework. Integrated with MySQL and MongoDB at the backend and Bootstrap at the frontend.
• Deployed on cloud services (AWS RDS + AWS EC2 + MongoLab).

• Source Code: GitHub
• Date: Sep - Dec 2015
• Demo: View Site
• Technologies Used: Node.js, Facebook API, MySQL, MongoDB, Java, HTML/CSS/JS, Bootstrap, AWS RDS, AWS EC2, MongoLab

Funds With Friends App

Group-friendly Mobile Payment App

• Built an app that allows users to add/delete/edit friend groups, and pay/charge group members.
• Integrated with Venmo API to import friends and process payments.
• Used MySQL and Node.js as backend for storing and synchronizing data (deployed on AWS RDS and AWS EC2.
• Worked with project manager to build user stories, detect code smells, refactor code, fix bugs, and implement new features.

• Source Code: GitHub (private)
• Date: Sep - Dec 2015
• Demo: Download APK
• Technologies Used: Java, Android SDK, Venmo API, MySQL, Node.js, AWS EC2, AWS RDS

Instanote - Pennapps xii hackathon

Mobile Notetaking App based on OCR

• Developed an app that allows users to take notes without typing. Swipe-selected text in images will be transformed into a plaintext note.
• Implemented five activities enabling users to sort, add, edit, favorite, delete, and share notes. Integrated with Google maps to associate locations with notes.
• Applied and customized Tess-Two open source OCR library. Integrated SQLite database to store notes and other metadata.
• Applied Android material design at the frontend. Implemented UI elements such as floating action buttons, data/time picker, and swipe-to-delete.

• Source Code: GitHub
• Date: Sep 2015
• Demo: NA
• Technologies Used: Java, Android SDK, Tess-Two, SQLite

Connect Four Ai Agent

• Developed heuristics for winning “Connect Four” game.
• Victory rate is 94.4% ~ 100% in 4000 games against multiple agents.

• Source Code: GitHub
• Date: Jan 2015
• Demo: NA
• Technologies Used: Java