Mobile Developer - AI Finance Agent
Bjak · Remote · Tokyo, Japan ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Hybrid (Japan)
- Android & iOS
- Kotlin / Swift
- 3+ years exp
- English required
Join BJAK, Southeast Asia's leading insurance platform, as it expands into neobanking services. You will build clean, reliable mobile experiences for insurance, payments, and investments, working closely with product and design teams to turn complex journeys into usable apps.
This position is ideal for developers who think like product builders and care deeply about user experience, performance, and reliability. You will own features end-to-end, from API integration to handling edge cases, ensuring high standards across the application.
What you'll do
- Build and ship mobile features for Android and/or iOS platforms
- Create simple flows for insurance, payments, claims and renewals
- Collaborate with product and design to simplify complex user journeys
- Integrate APIs and manage loading states, errors and edge cases
- Improve app performance, reliability and crash rates
- Support fast product launches and iterative experiments
What you'll need
- 3+ years of mobile development experience in Android, iOS or both
- Strong proficiency in Kotlin and/or Swift
- Proven track record of shipping production apps to real users
- Strong product sense and attention to mobile UX details
- Ability to work with APIs, analytics and crash logs
- Self-directed worker comfortable with limited handholding
- Strong English communication skills for global collaboration
Nice to have
- Portfolio with app links, GitHub repos or screenshots of shipped work
- Experience working in high-growth environments with ambiguity
Stack
- Kotlin
- Swift
- Android
- iOS
How you'll work
- Based in Japan
- Hybrid model: office work at least 3 days per week
- English is the main working language
Hiring process
- Online assessment or practical task
- Technical interview
- Final round with CEO
- Targeting offer within 1 week for strong candidates