Middle / Senior Mobile Developer (React Native/ Swift / Kotlin / ReactJS) at Hitachidigitalservices

Hitachidigitalservices

Ho Chi Minh, Viet nam·5h ago

SeniorFull-timeJavaScriptTypeScriptJavaRustReactAWSAzureGitGoAPI

Salary Range

$132,600 - $179,400 /year

Estimated

This salary is estimated based on similar roles. The actual salary may vary.

About the Role

We are looking for a Mobile Developer with strong experience in Android native development and React Native to build high-performance mobile applications for both prototype and production use cases.

Key Responsibilities

→Develop, enhance, and maintain mobile applications using Native Android (Kotlin/Java) and React Native (JavaScript/TypeScript)
→Build modules to acquire Android device sensor data and process them efficiently
→Integrate mapping solutions and visualize real-time data on the map
→Implement cross-platform UI components and business logic in React Native
→Integrate push notifications using Azure or AWS services
→Apply modern architectural patterns (MVP, MVVM, Clean Architecture)
→Design reusable components and write clean, maintainable, testable code
→Participate in code reviews and advocate for engineering best practices
→Optimize sensor sampling, app performance, and battery usage
→Ensure proper handling of device permissions, background execution, and thread management
→Troubleshoot and debug performance bottlenecks, crashes, and UI/UX issues
→Work with PM/BA/UIUX to refine requirements and propose technical solutions
→Prepare and maintain technical documentation
→Support continuous integration and deployment workflows

Requirements

✓A Bachelor’s degree in Computer Science, Information Technology, or equivalent
✓At least 3 years of experience in React Native development
✓Hands-on experience with React Native, JavaScript/ES6+, React Hooks, HTML/CSS/JS fundamentals
✓Experience with push notification services on Azure or AWS
✓Strong experience in Native Android development: Android Studio / SDK, Java, at least 1 year of experience in Kotlin
✓Solid understanding of Object-Oriented Programming (OOP), Functional Programming, Design Patterns, MVP, MVVM, or Clean Architecture
✓Strong problem-solving skills and analytical thinking
✓Ability to work independently and collaborate in cross-functional teams
✓Good communication skills in English
✓Having Japanese Languages is a big plus
✓Willing to go onsite customer's office in HCMC