Sumiya Ushiro
HashCloak. Inc / Freelance frontend engineer/UI/UX designerJapan
Sumiya Ushiro
HashCloak. Inc / Freelance frontend engineer/UI/UX designer
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HashCloak. Inc3 years
Freelance frontend engineer/UI/UX designerPresent
- Present
HashCloak is an independent research lab focused on blockchain communities integrating a privacy-first approach into their processes. ・Manage and develop websites for the company from scratch. ・Design and implement user-friendly UI/UXs for Web and App.
- Prototype of Meson wallet
Prototype designed and created on Figma
- Meson wallet
Crypt wallet desktop app built with React.js.
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Appier Japan株式会社1 year
Technical Support Engineer
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・Responsible for daily customer care and administration of Appier’s products as a bridge between customers and developers. ・Investigated and troubleshoot technical issues and questions related to the Appier’s SDK for Web and mobile app raised by customers.