Senior Mobile Engineer

We’re looking for a highly capable Senior Mobile Engineer to join our growing engineering team and help build high-quality mobile applications.

This role is ideal for engineers who enjoy solving complex mobile challenges, taking ownership of production systems, and working across the full mobile lifecycle — from development and architecture discussions to release management, production monitoring, and continuous improvement.

You’ll collaborate closely with cross-functional teams to deliver stable, scalable, and user-focused mobile solutions while driving engineering excellence and product quality.

What You’ll Do

Mobile Development & Product Delivery

• Develop and maintain high-quality mobile applications for Android platforms using Java
• Contribute to cross-platform/mobile modernization initiatives using technologies such as React Native or Flutter when applicable
• Collaborate with backend engineers to integrate RESTful APIs and backend services
• Participate in technical design discussions and contribute to scalable mobile architecture decisions
• Write clean, maintainable, and production-ready code following engineering best practices
• Optimize application performance, stability, and overall user experience

Production Ownership

• Monitor live production applications and troubleshoot reported issues
• Handle hotfixes, bug fixes, and urgent production incidents when needed
• Manage mobile release processes for Google Play
• Troubleshoot app submission/rejection issues and coordinate resubmissions

Technical Operations & Maintenance

• Maintain and upgrade mobile dependencies, libraries, and SDKs
• Monitor Android OS compatibility updates and platform policy changes
• Manage environment configurations, app signing, and release configurations
• Troubleshoot authentication flows, API integrations, and token/SSO-related issues

Engineering Excellence

• Participate in code reviews and technical discussions
• Contribute to improving engineering standards, scalability, and development best practices
• Work closely with product managers, designers, QA engineers, and cross-functional teams to deliver high-quality products

Who We’re Looking For

• 5+ years of experience in mobile application development
• Strong hands-on experience in native Android development using Java
• Solid understanding of Android SDK, Android Studio, Gradle, and modern Android architecture components
• Experience building and maintaining production Android applications published on Google Play
• Strong knowledge of RESTful APIs and JSON-based integrations
• Experience working with background services, push notifications, and mobile app performance optimization
• Strong debugging, troubleshooting, and problem-solving skills
• Experience handling production incidents, hotfixes, and application monitoring
• Familiarity with version control systems such as Git
• Good understanding of mobile UI/UX principles and responsive design for Android devices
• Good communication skills in English

Nice to Have

• Experience with Kotlin
• Big plus if the candidate has recently worked with cross-platform/hybrid mobile technologies such as React Native or Flutter
• Experience integrating Firebase services (FCM, Analytics, Crashlytics, etc.)
• Experience with offline-first/mobile synchronization solutions
• Experience with CI/CD tools such as Fastlane, Jenkins, GitHub Actions, or Azure DevOps
• Experience handling Google Play review/rejection and resubmission processes
• Experience working with PHP backend systems
• Unit testing experience (JUnit, Espresso, Mockito, or similar)
• Experience building healthcare, field-service, or scheduling/calendar-based applications
• Familiarity with Clean Architecture, MVVM, or other scalable mobile architectures

What We Offer

• Attractive and competitive performance-based compensation package.
• Full gross salary during probation.
• Generous 13-month salary and dedication bonus.
• Comprehensive healthcare insurance package and annual health check-ups.
• Flexible check-in time before 10:00 AM on weekdays.
• Hybrid mode working, 2-days remote work per week.
• 12 annual leave days, 5 sick leave days, 11 public holidays as required by Vietnamese Labor Law, plus one extra day off for Christmas.
• Opportunity to work on global projects, collaborate with international teams
• Daily breakfast, Happy hours gatherings to connect with colleagues.
• Active sport clubs such as badminton, running, football, music clubs.
• Teambuilding activities, annual company trips, and year end party.
• Continuous learning opportunities through technical & soft skills training, English classes, and internal communities.
• Financial assistance for important life events, including marriage, childbirth, and bereavement, ensuring support at every stage of life.

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