Mobile Engineer - (Public Sector)

Xtremax; Singapore; On-site; SGD 50,000 - 70,000; Full time

Job summary

A technology solutions company in Singapore is seeking a Mobile Engineer to develop applications that engage users. The role involves working with both native and cross-platform technologies, collaborating with various teams, and ensuring security standards. Candidates with public sector experience are preferred, along with a strong background in mobile UI/UX and API integration.

Qualifications

• 2–5 years of relevant experience in mobile development.
• Experience in integrating APIs and mobile databases.
• Strong understanding of mobile UI/UX principles.

Responsibilities

• Translate requirements into mobile solutions and deliver optimized apps.
• Collaborate with QA and DevOps teams for testing and deployment.
• Document technical decisions and share development best practices.

Skills

Native mobile development (Swift/Objective-C for iOS, Kotlin/Java for Android)

Cross-platform frameworks experience (React Native or Flutter)

Mobile UI/UX principles knowledge

API integration experience (REST, GraphQL, WebSockets)

Familiarity with CI/CD tools for mobile apps

Git and branching workflows

Education

Degree/Diploma in Computer Science, IT, Engineering, or related fields

Tools

CI/CD tools for mobile apps (Fastlane, Bitrise, GitHub Actions)

Job 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.

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.

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)

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