Jimmy Te-Chun Chao

Experience

Led the frontend architecture project using Webpacker, boosting Javascript code contributions by 30%
Developed the StreetEasy Expert matching program, one of the critical growth factors for StreetEasy.
Migrated Mobile notification system from AppBoy/Braze to Iterable, saving the cost for upcoming contract renewal.
Implemented Authorization microservice for StreetEasy and Zillow Group, create DSL to simplify complex object relation synchronization.
Worked on Seller and Rental manager performance Dashboard with GraphQL, React, Next.js and integrate with microservices.

Developed the Casebook platform for the Indiana State Child Welfare system, utilizing Rails, React.js, PostgreSQL, Redis, and Elasticsearch, enhancing system efficiency and user experience.
Led and build Casebook Mobile App, building the MVP for with React Native to improve the user experiment of field workers.
Proposed and host developer learning lunch to build developer culture in Casecommons.
Worked as import API team lead for Indiana State hotline system, migrated 6 million records from legacy system.
Improved server infrastructure by integrating new tool includes vagrant, chef kitchen and serverspecs with Devops team.
Worked under pair programming environment with test driven development and continuous integration.

Worked on Backbone.js single page application with python Django backend.
Improved SplingEngine, the spling url crawler that transfer url to image. Running on RabbitMq
Worked with Instagram, Flicker, Embedly and Bing api.
Created Spling widget, Embeded splingboard on 3rd party website.

Built RESTful api and backend with Ruby on Rails and Postgresql. Deploy service to Heroku and Amazon EC2.
Developed single page application with Backbone.js and bootstrap.
Published email parsing module as rubygem mail_parser.

Built Online Survey system for Taiwan Mobile, using ASP.NET MVC and Entity Framework.
Setup Continuous Integration Server, automated deployment and testing processes for team, shortened the development time and significantly reduced integration problems.

Rails source analysis and security report in Penetration Testing Course.
Built IndexBuilder, a custom search engine and parser, with Python in Web Search Engine Course.
Created Footpon, an Android application that combines pedometer and coupon, in Mobile Application Development course.