Daiki Sato's Portfolio

React Native Developer

My Personal Project

I develop and manage two apps. These are using React Native. The source code is published on GitHub.

  • Manga Quizzes

    Very difficult Japanese manga quizzes app

  • LangJournal

    LangJournal is a free, language-learning app for English learners

  • Github

    The source code of these two apps is open to the public

Work Experience

These are the projects I have worked on as a freelance programmer. All using React Native.



A survey service where you can get points just by answering simple questions that can be answered in a few seconds with one tap.



Joint purchase type cross-border e-commerce that delivers good Japanese products to overseas consumers at a great price.



Reservation management system that can be used on smartphones and tablets.



A ski media app that provides ski videos and the latest course conditions.



Bridal app (out of service)

Other Key Skills

  • Japanese

    I am native Japanese

  • English

    I am an upper intermediate-level English speaker

  • React

    3 years of React experience

  • C# / .Net

    6 years of C# and .Net experience

  • SQL

    10 years of SQL experience


  • The website I was making as part of my studies during my time as an office worker became a hit, and since then I have been addicted to developing apps and websites on my own. I became a freelancer at the age of 25, and since then I have been making my own apps and creating apps for clients. The language I mainly use is React Native.


Contact Form

Please get in touch with me if you have any requests for React Native development or mentors