Mobile Engineer (Sales AI Agent)

Exawizards Minato-ku, Tokyo April 4 2026
  • 💴 ¥6.5M ~ ¥10.1M annually
  • 🏡
    Partially remote
  • 🗾 Japan residents only
  • 💬
    Business Japanese
    No English required
  • 🧪
    Intermediate level
    3+ years experience required
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About Exawizards

Exawizards Minato-ku, Tokyo

Exawizards is a technology company focused on addressing societal challenges through artificial intelligence. By developing AI platforms and products, we target both industry-specific problems and broader societal issues, such as those posed by an aging population.

Key benefits

  • Cutting-edge AI technologies
  • Fast-paced setting

About the position

You will be responsible for mobile development for a newly developed AI agent–related product. You will collaborate closely with PdMs, machine learning engineers, designers, and full-stack engineers.

Tech Stack

  • Mobile: Kotlin, Swift
  • Frontend: TypeScript
  • Backend: TypeScript
  • Infrastructure: AWS

Responsibilities

  • Lead the foundation building and development of mobile applications
  • Design architecture, state management, navigation, CI/CD and release processes, and analytics
  • Design and develop mobile applications
  • Improve code quality through code reviews, coding standards, and unit testing

Requirements

  • Experience developing iOS applications in Swift or Android applications in Kotlin
  • Experience designing mobile application architecture as a Tech Lead
  • Experience working in an agile development environment
  • Business-level Japanese proficiency (equivalent to JLPT N1)

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Knowledge of backend, frontend, or cloud infrastructure
  • Knowledge of machine learning or LLMs
  • Broader mobile application development experience

Compensation

¥6,480,000 ~ ¥10,080,000 annually.

Hiring Process

  1. 1

    CV Screening

  2. 2

    Coding Test

  3. 3

    First Interview

  4. 4

    Second Interview

  5. 5

    Final Interview

APPLY FOR THIS POSITION
DO YOU NEED MORE INFO?
ASK A QUESTION

Meet Exawizards's Developers

Hsiang-Hao Yu describes how his small team developed ExaWizards’s enterprise AI product, and what kind of developers he wants to work with now.

Read their story...

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