Android Software Engineer – Finance Super App

BJAK

Android Software Engineer building mobile applications for finance at BJAK. Collaborating with global teams to deliver reliable and scalable mobile systems.

Posted 7/3/2026full-timeRemote • 🇯🇵 JapanMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AndroidKotlin

About the role

Key responsibilities & impact

Build and ship Android features using Kotlin.
Create clean mobile flows for insurance, payments, claims, renewals and financial services.
Work with product and design to simplify complex user journeys.
Integrate backend APIs and ensure mobile flows are stable and reliable.
Improve performance, crash rate, loading states, responsiveness and memory usage.
Use analytics, user behaviour and production issues to improve the product.
Build AI-assisted mobile experiences only where they genuinely improve the user journey.

Requirements

What you’ll need

3+ years of Android development experience using Kotlin.
Strong Android fundamentals and experience shipping production apps.
Good knowledge of Jetpack, Coroutines, Flow and modern Android architecture.
Strong sense of mobile UX, usability, edge cases and user flows.
Experience integrating REST APIs and debugging production issues.
Fast execution, high ownership and strong attention to product quality.
App links, GitHub, screenshots or examples of shipped work are a strong advantage.

Benefits

Comp & perks

Flexible work arrangements
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Android DevelopmentKotlin ProgrammingREST API IntegrationJetpackCoroutinesFlowMobile UXDebuggingPerformance OptimizationProduction App Shipping

Soft Skills

Attention to DetailFast ExecutionHigh Ownership