Mobile Development · Full-time
FinTech — Mobile App Developer (iOS + Android)
Top Priority
| Category | Mobile Development |
|---|---|
| Location | Tokyo（On-site） |
| Employment | Full-time |
| Salary | Negotiable |
| Posted | Jul 8, 2026 |
Overview
Mobile engineer building iOS & Android apps for fintech and digital-asset platforms (JLPT N2+).
Responsibilities
- Develop and maintain iOS and Android mobile applications for financial/digital asset platforms
- Participate in requirement analysis and technical solution design for FinTech/Digital Asset apps
- Write high-quality code, optimize performance, and enhance user experience
- Handle app testing, release, and ongoing maintenance iterations
- Collaborate with backend teams to complete API integration and data exchange
- Track emerging mobile technologies and continuously optimize product architecture
Requirements
- Japanese N2 or above, capable of daily technical communication and documentation
- 3+ years of mobile development experience, proficient in iOS (Swift/Objective-C) and Android (Kotlin/Java)
- Experience in financial, digital asset, or cryptocurrency app development
- Familiar with mobile security standards, data encryption, and privacy protection
- Cross-platform development experience (Flutter/React Native) is a plus
- Experience with Japanese enterprise projects or FinTech background preferred
Skills
iOS / SwiftAndroid / KotlinFlutterReact NativeFinTech