We are building a Notion integration that helps Notion users transform their Notion pages and databases into those in a better and suitable format

(Moved from San Francisco in August, 2020)- Designed and released the core engagement UI/UX by incorporating the world-class recommendation system into the next-generation design system to deliver the best news consumption experience- Introduced the global search experience along with the trend ranking and the SmartNews account system that enabled the app to bring in new ways for readers to interact within the SmartNews apps

- Introduced the first personalized news content experience in SmartNews iOS/Android apps working with engineers, designers and other product managers in Tokyo and San Francisco- Enhanced the architecture of how the ads are allocated in the app to increase ARPU with an iOS engineer based in San Francisco while managing the engineer as an interim EM- Optimized the onboarding experience and first user experience to increase the retention rate working with other product managers and engineers in Tokyo

- Developed 360° video player for our video ads in SmartNews iOS app- Integrated Facebook Audience Network SDK into SmartNews iOS app and started making revenue from the US product for the first time

- Software Engineering (Backend and iOS app)- Technical Consulting- Photography

- Designed and implemented Tweet anatomy related features and experiments in Twitter for iOS. e.g. Quote Tweet experience, "Swipe to dismiss" image viewer experience.- Implemented features and experiences which focus on Japan Growth as iOS and backend(Scala) engineer. Invented and built News feature on iOS from scratch and released it to Japan Market.- Analyzed the experiment data with Scalding.

Worked as a playing manager for a small team which has done various analytics work for International/Pro users team.

Worked on mobile/international team and mobile web application for Japanese users who use features phones(Keitai). And working on the data analytics around International features.

Build the backend of Mobage platform for iPhone/Android game development

- Implemented new SDK for social games for iPhone and created dedicated iPhone application- Managed the team for developing the SDK associated with iOS and Android

Improved the client-side codes of OpenFeint that is now growing up rapidly as iPhone game social platform.

Created some functions in MobaMingle http://mobamingle.com/

Created some functions in Moba-ge-town

Created some web services and apps by using * Python and Django * Facebook application

Implement websites for customers and support them afterwards.

I worked on * Investigating new business * building new web sites * Integrating their sites with other web services