Mobile Developer: Android & React Native (Kotlin/Java)

GenesisNet Technology Limited; Hong Kong; On-site; HKD 180,000 - 300,000; Full time

Benefits offered by this job

5-day work week

Bank Holidays

Family Medical Scheme

Job summary

GenesisNet Technology Limited seeks a mobile developer to design, build, and maintain high-quality Android apps using Kotlin/Java, and to ship cross-platform apps with React Native. You will collaborate with UI/UX designers to deliver pixel-perfect interfaces and robust experiences across devices.

The role requires 1–3 years of Android/React Native experience, familiarity with MVVM/MVP/Clean Architecture, and strong English/Cantonese communication.

Qualifications

• High Diploma / Degree in Computer Science, Software Engineering or IT related disciplines.
• 1 - 3 years of Android native and/or React Native development; fresh grads with strong portfolios considered.
• Solid experience in Android app development using Kotlin and/or Java.
• Hands-on experience with React Native ecosystem (Redux, React Navigation, etc.).
• Familiarity with RESTful APIs, JSON, and third-party library integration.
• Knowledge of MVVM, MVP, or Clean Architecture patterns.
• Experience with Git version control.
• Understanding of mobile UI/UX design principles and guidelines (Material Design).
• Experience with Google Play distribution is a plus.
• Strong communication in English and Cantonese.

Responsibilities

• Design, develop and maintain high-quality Android applications using Kotlin and Java.
• Build and ship cross-platform mobile apps using React Native for iOS and Android.
• Collaborate with UI/UX designers to implement pixel-perfect interfaces and smooth UX.
• Integrate RESTful APIs and third-party libraries into mobile apps.
• Participate in full SDLC from requirements to deployment and maintenance.
• Optimize performance, responsiveness and reliability across devices and OS versions.
• Write clean, maintainable code with good documentation.
• Troubleshoot bugs and performance bottlenecks.
• Stay up-to-date with mobile development trends and tools.

Skills

Kotlin/Java Android

React Native

UI/UX design

RESTful APIs

App architecture patterns

Git

English & Cantonese

Problem solving

Teamwork

Education

High Diploma / Degree in Computer Science or IT

Tools

Redux

React Navigation

Git

Job description

GenesisNet Technology Limited seeks a mobile developer to design, build, and maintain high-quality Android apps using Kotlin/Java, and to ship cross-platform apps with React Native. You will collaborate with UI/UX designers to deliver pixel-perfect interfaces and robust experiences across devices.

The role requires 1–3 years of Android/React Native experience, familiarity with MVVM/MVP/Clean Architecture, and strong English/Cantonese communication.