Being a collaborator (committer) of ReactiveCocoa (https://github.com/ReactiveCocoa/ReactiveCocoa) from January 2014. It is a famous open source product (library) for FRP (Functional Reactive Programming) written in Objective-C language, which is starred over 8,700 at GitHub.- Development of an photo-communication iOS app: Pictlink (https://itunes.apple.com/jp/app/pikutorinku/id446747531). The app is written in Swift language and ReactiveCocoa v3 of reactive programming library is… Show more Being a collaborator (committer) of ReactiveCocoa (https://github.com/ReactiveCocoa/ReactiveCocoa) from January 2014. It is a famous open source product (library) for FRP (Functional Reactive Programming) written in Objective-C language, which is starred over 8,700 at GitHub.- Development of an photo-communication iOS app: Pictlink (https://itunes.apple.com/jp/app/pikutorinku/id446747531). The app is written in Swift language and ReactiveCocoa v3 of reactive programming library is heavily used in it.- Development of an Android app which is client for an E-commerce service.- Development of some iPhone applications which intercommunicate with a car navigation system. They use the platform's ExternalAccessory.framework and Wi-Fi for means of communication. Also maintaing and new features development of the middleware for them. Show less

- iPhone app development for subscription to paid mail magazines which uses IAP (In App Purchase) and its auto-renewable subscriptions feature. Also setting up the backend system using WordPress.- HTML coding (including CSS, JavaScript).- CMS formulation using WordPress, baser CMS.- Making simple Flash contents, maintenance for an existing Flash project.

- Development of periodical reports publishing web system for datacenter operation at a securities company.- Development of data interfaces between a SaaS application and the company's internal existing system in the project of restructuring of analyst reports publishing system at a securities company.