Mobile Engineer - (Public Sector)

Location: Singapore, Singapore, Singapore

Department: Development

Workplace: on_site

Employment Type: contract

Description

Being a Mobile Engineer at Xtremax means building applications that deliver smooth, secure, and engaging experiences for users on the go. You’ll work with both native and cross-platform technologies, apply modern development practices, and collaborate with different teams to bring ideas to life. Candidates with public sector experience are preferred, as this role supports IT projects for government agencies.

Responsibility:

Feature Development & Delivery

• Work with Business Analysts and Product Managers to translate requirements into mobile solutions.
• Build, maintain, and optimize mobile applications with strong performance and user experience.
• Apply secure coding practices and ensure apps meet security standards.

• Optimize apps for performance, battery efficiency, and offline capabilities.

Quality Assurance & Testing

• Collaborate with QA engineers to ensure proper test coverage.
• Proactively fix issues and contribute to improving software quality.

Deployment & Operations

• Partner with DevOps teams to support mobile app build, deployment, and release processes.
• Document technical decisions and share mobile development best practices with the team.

Requirements

Must Have

• Degree/Diploma in Computer Science, IT, Engineering, or related fields.
• Must have 2–5 years of relevant experience.
• Experience in native mobile development (Swift/Objective-C for iOS, Kotlin/Java for Android).
• Experience with cross-platform frameworks (React Native or Flutter).
• Strong knowledge of mobile UI/UX principles and platform guidelines.
• Experience integrating APIs (REST, GraphQL, WebSockets).
• Familiarity with mobile databases and state management solutions.
• Knowledge of Git and branching workflows.
• Experience with CI/CD tools for mobile apps (Fastlane, Bitrise, GitHub Actions, etc.).

Good to Have

• Experience with Singapore Government Project will be advantageous.
• Familiarity with mobile testing frameworks (Appium, Espresso, XCUITest, Detox).
• Knowledge of cloud services for mobile integration (Firebase, AWS, Google Cloud).
• Experience with hybrid apps (JavaScript/HTML/CSS).
• Understanding of app distribution and release management (App Store, Google Play).
• Experience with PWAs or mobile web optimizations.
• Knowledge of authentication mechanisms (OAuth, JWT, biometrics).
• Interest in AR/VR development (ARKit, ARCore, Unity).

Certificate Preferred:

• Certified Scrum Developer (CSD) / Professional Scrum Developer (PSD)
• ScrumMaster (CSM) / Professional Scrum Master (PSM)

Benefits

By submitting your resume/CV, you consent and agree to allow the information provided to be used and processed by or on behalf of Xtremax Pte Ltd for purposes related to your registration of interest in current or future employment with us and for the processing of your application for employment.

You also represent to us that you have obtained the consent of your referees when you disclose to us their personal data for the purpose of conducting reference checks.

The personal data held by us relating to your application will be kept strictly confidential and in accordance with the PDPA. You may also refer to our Privacy Policy for more details here: 

We regret to inform you that should you not consent to providing the necessary data required for us to process your application, your application will be considered void.