Designer

  • Tokyo
  • Partial Remote
  • Full-time
  • June 13, 2025
Conditions
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¥5M ~ ¥9M /yr
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Apply from Japan Only
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No relocation to Japan
(No visa sponsorship from overseas)
Requirements
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Language Requirements
Japanese: Fluent
English: Conversational
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Minimum Experience
Mid-level or above

Overview:

Join PostPrime as a UX/UI Designer and collaborate with engineers, PdMs, PMs, and fellow designers to develop new features and improve existing ones, always placing user experience at the core. You’ll take on exciting challenges to deliver a new kind of SNS experience to end users.

 

You will:

  • Utilize analytics tools, A/B test results, and experiments to identify issues and propose improvements
  • Create UX flows and UI designs based on clear concepts and user insights
  • Design end-to-end UX/UI across the PostPrime platform
  • Work closely with engineers, PdMs, and PMs from ideation to final design

 

You may be fit for this role if you:

  • 3–5+ years of hands-on experience in UX/UI design for web and/or mobile apps
  • Strong working knowledge of Figma
  • Experience in product release, performance analysis, and iterative improvement
  • Experienced with social media, trading, or investment platforms. Able to do market/function/competitor research to contribute to the product roadmap

 

Preferred Qualifications:

  • Practical experience applying design thinking
  • Experience managing or contributing to in-house services
  • Comfortable reading/writing English and working with a global team

 

業務内容:

  • PostPrime 各プラットフォームのUX/UIデザインを一貫して担当
  • コンセプトに基づいたUXフロー、UI設計の実施
  • 分析ツールやABテスト、実験結果を用いた改善提案
  • エンジニア、PdM、PMと密に連携し、UX設計からUIデザインまでを推進

 

このポジションに適している方:

  • Web/モバイルアプリのUX/UIデザインに関する3〜5年以上の実務経験
  • Figmaを使用したデザイン経験
  • プロダクトのリリース、効果測定、改善経験
  • SNSやトレーディング・投資プラットフォームに関する職務経験を有し、市場調査・機能調査・競合調査などを通じて、プロダクトのロードマップ策定に貢献できる方

 

歓迎要件:

  • デザイン思考の実践経験
  • 自社サービスの運営経験
  • 英語の読み書きができ、外国人と一緒に仕事をすることに抵抗がない方

PostPrime is a platform that emphasizes content regarding money, investing, economy, and other topics.

On PostPrime, users can learn from experts through live streams, video, audio, and other types of content. They can also use key functions that are built to help them increase their wealth.

PostPrime provides notifications, chart/sentiment indicators and various machine learning AI tools that assist users in navigating the market through data-driven insights.

Expanding on their vision, TakaTrade was established in October 2024 as a wholly owned subsidiary of PostPrime.

TakaTrade is set to deliver a next-generation platform for commodity futures trading in Japan.

As one of the first companies to emerge from a social media origin and enter the regulated financial space, TakaTrade combines advanced technology, intuitive design, and trusted regulatory compliance to empower both individuals and institutions with access to new trading opportunities.

View PostPrime's company page

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