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BJAK

Mobile Developer – AI Neobank App

BJAK

Mobile Developer building BJAK's AI Neobank App for Android and iOS. Collaborate with product and design teams to create intuitive mobile experiences.

Posted 7/14/2026full-timeTokyo • 🇯🇵 JapanMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in mobile development for Android and iOS, with a strong focus on user experience, app performance, and integration of APIs. Proven ability to deliver high-quality mobile products through collaboration with cross-functional teams and a strong product sense.

Highest-signal resume keywords
Mobile Development ExperienceKotlin ProficiencySwift ProficiencyAPI IntegrationUser Experience Focus

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Mobile DevelopmentKotlinSwiftAPI IntegrationApp Performance OptimizationCrash Log AnalysisProduction Feedback HandlingUser Experience DesignMobile Product Quality AssuranceFast Product Launches
Soft Skills
Attention to DetailCollaborationOwnershipAdaptabilityProblem-Solving
Tools & Technologies
GitHubAnalytics ToolsCrash Reporting ToolsMobile Development FrameworksDesign Tools
Industry Keywords
Mobile FeaturesInsurancePaymentsClaimsFinancial Services

Tech Stack

Tools & technologies
AndroidiOSKotlinSwift

About the role

Key responsibilities & impact
  • 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

What you’ll need
  • 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.
  • Able to work with APIs, analytics, crash logs and production feedback.
  • Fast, practical and comfortable owning work with limited handholding.
  • App links, GitHub, screenshots or examples of shipped work are a strong advantage.

Benefits

Comp & perks
  • Flexible work arrangements
  • Professional development opportunities