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Mobile Engineer - 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

Based in Tokyo, Japan, this hybrid Mobile Engineer position involves building the AI Neobank App across Android and iOS platforms. The role suits developers with solid mobile experience who enjoy creating intuitive financial applications and working in fast-paced environments.

Role Overview

The Mobile Engineer role at bjakcareer requires professionals to develop and launch features for Android and iOS devices. Based out of the Tokyo office with a hybrid schedule requiring attendance three days a week, the position focuses on shaping next-generation financial services.

Key Responsibilities

Develop and release mobile features for Android and iOS platforms.
Design straightforward mobile workflows covering insurance, payments, claims, renewals, and other financial services.
Collaborate with product, design, and backend groups to convert intricate user journeys into functional mobile products.
Integrate application programming interfaces while managing edge cases, error states, loading sequences, and live production issues.
Enhance overall application performance, stability, user experience, and decrease crash frequencies.
Facilitate rapid product releases, tests, and iterations throughout various mobile journeys.
Establish high benchmarks for mobile product quality across the entire application.

Requirements

Minimum of three years of mobile engineering background focusing on Android, iOS, or both platforms.
Proficiency in Kotlin and Swift languages.
Proven track record of deploying production applications utilized by actual consumers.
Solid product intuition paired with a focus on mobile user experience.
Capability to handle application programming interfaces, analytics, crash logs, and production feedback independently.

Skills and Tools

Android
iOS
Kotlin
Swift
APIs

About the Company

Bjakcareer operates as part of an insurance platform network that began in 2019 to help individuals manage, save, and grow finances. The organization features global teams spanning over twenty nationalities operating from offices and remote locations.

How to Apply

Interested candidates should visit the official bjakcareer careers page to submit an application.

Skills and tech stack

Questions candidates ask

Where is this job located?

This position is based in Tokyo, Japan, operating on a hybrid schedule requiring presence at the Japan office at least three days per week.

What programming languages are required?

The role requires proficiency in Kotlin and/or Swift.

How many years of experience are needed?

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

What is the primary working language?

English is the main working language, and strong English communication skills are required.

What does the interview process look like?

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

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site