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Mobile Developer - AI Finance Agent

bjakcareerTokyo, JapanEngineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Mid · 3+ yrs
Posted
1 Oct 2026
Status
Open · checked 7d ago

About this role

Mobile Developer - AI Finance Agent is a hybrid role at bjakcareer in Tokyo, Japan, that suits experienced mobile engineers skilled in Android, iOS, Kotlin, or Swift. The position involves building the AI Neobank App and shaping financial tools for users.

Role Overview

The Mobile Developer - AI Finance Agent position at bjakcareer requires building the mobile-first AI Neobank App across Android and iOS platforms. Professionals in this hybrid position operate from the Japan office at least three days per week, utilizing English as the primary working language.

Key Responsibilities

Build and ship mobile features for Android and/or iOS.
Create simple mobile flows for insurance, payments, claims, renewals and financial services.
Work with product, design and backend teams to turn complex journeys into usable mobile products.
Integrate APIs and handle edge cases, loading states, errors and production issues.
Improve app performance, reliability, crash rate and user experience.
Support fast product launches, experiments and iterations across mobile journeys.
Help set high standards for mobile product quality across the app.

Requirements

Minimum of 3 years of mobile development experience in Android, iOS or both.
Strong experience with Kotlin and/or Swift.
Experience shipping production apps used by real users.
Strong product sense and attention to mobile UX.
Ability to work with APIs, analytics, crash logs and production feedback.
Proficiency in English communication.

Skills and Tools

Android
iOS
Kotlin
Swift
APIs

About the Company

bjakcareer started in 2019 by building a mobile-first insurance platform, growing into a leading insurance provider in Southeast Asia. The organization employs teams around the world with over 20 nationalities working from offices and remotely, focusing on financial applications that include spending, saving, investing, exchanging, and travelling.

How to Apply

Apply on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is the job located?

This role is based in Tokyo, Japan, and operates as a hybrid position where staff work from the Japan office at least 3 days per week.

What languages are used in this role?

English is the main working language across global teams, and strong English communication is required. Technical languages include Kotlin and/or Swift.

How many years of experience are required?

Candidates need 3+ years of mobile development experience in Android, iOS, or both.

What is the interview process like?

The process includes an online assessment or practical task, a technical interview, and a CEO or final round.

Is visa sponsorship available?

Visa sponsorship is not mentioned in the posting.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site