- Product: https://itunes.apple.com/jp/app/wantedly-visit-zhuan-zhini/id804727886?mt=8 - Maintained iOS application involving both of client side and server side. - Introduced an A/B system to iOS application in order to grow service. - Introduced Swift into Objective-C-only project - Developed Apple Watch app using geo-location information - Analytics and visualization using TreasureData, DOMO - Skills: Objective-C, Swift, Ruby on Rails, AngularJS, TreasureData, DOMO 2015-08 -
- Real-time business cards recognition / management iOS application - Have been involved until now since prototype phase and service launch - Developed business cards recognition interface using computer vision knowledge - Developed other functions of app using reactive programming - Developed notification function, implementing both of client side and server side - Analytics and visualization using BigQuery, TreasureData, DOMO - Skills: Swift, Rx, Objective-C, C++, OpenCV, Ruby on Rails, Go, BigQuery, TreasureData, DOMO
2016-8 - 2017-4
Infrastructure construction for multiple services and monitoring systems in DeNA
- Services: Mangabox, MyAnimeList, Showroom, etc. - Maintained existing services as an operation engineer - Maintained a real-time streaming service - Analyzed service performance and eliminated bottlenecks - Automated infrastructure construction processes for new web services using Chef - Skills: Perl, MySQL, Ruby, fluentd, Chef, AWS, Apache, nginx, Nagios, etc.