Mobile App Developer
Btab Group
Sydney, NSW
Posted
Jan 5, 2026
Job Type
Remote
Work Mode
On-site
Salary
Salary negotiable
Job Description
We are seeking a strong mobile app developer who thrives on both engineering and maintenance tasks. The primary focus will be implementing new user interfaces and features alongside automated unit and integration tests.
You’ll work with a collaborative team, providing expertise in application architecture and the latest mobile technologies. Your code should be clean, organized, and high-quality, while ensuring solid performance and excellent user experience.
Responsibilities
- Develop new features and user interfaces from wireframe models.
- Ensure optimal performance and user experience across mobile applications.
- Identify and fix bugs and performance issues.
- Write clean, readable, and testable code.
- Collaborate with back-end developers, designers, and other team members to deliver high-quality, well-architected solutions.
Ideal Profile / Skills
- Extensive knowledge of mobile app development from first line of code to store publishing.
- Deep expertise in Android (Kotlin/Java), iOS (Swift/Objective-C), or cross-platform frameworks.
- Proficiency in writing automated tests (e.g., JUnit, Espresso, XCTest, Mocha, Jest, Enzyme).
- Familiarity with RESTful APIs and mobile networking libraries (e.g., Retrofit, Axios, Alamofire).
- Strong understanding of JSON format and data handling.
- Experience in profiling and debugging mobile applications.
- Knowledge of architectural patterns: MVP, MVC, MVVM, Clean Architecture.
- Familiarity with Git version control.
- Experience implementing push notifications.
- Understanding of mobile design guidelines for each platform and their differences.
- Proficiency in relevant languages for the app: Kotlin, Java, Swift, Objective-C, JavaScript, C#.
This role is ideal for a proactive, detail-oriented developer who wants to deliver high-quality mobile experiences and actively contribute to architecture decisions and app maintenance.
