Mobile Engineer (iOS / Android)

TOKENINSIGHT SG PTE. LTD.; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

TOKENINSIGHT SG PTE. LTD. is seeking a Mobile Engineer (iOS / Android) to build and maintain high-quality mobile applications across iOS and Android platforms.

You will work closely with Product, Design, Backend, and Web Engineering teams to deliver reliable, high-performance mobile experiences. This role is ideal for engineers who enjoy solving technical challenges, improving performance, and contributing to scalable mobile architecture.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related discipline.
• Experience with React Native and native modules for iOS/Android.
• Strong problem-solving and analytical skills; ability to diagnose issues.

Responsibilities

• Develop and maintain cross-platform mobile apps using React Native, with native modules when needed.
• Design, test, and improve mobile features for performance and UX.
• Optimize memory usage, startup time, rendering, and responsiveness.
• Troubleshoot builds, packaging, device compatibility, debugging, and incidents.
• Participate in architectural discussions for scalable mobile systems.
• Collaborate with Product, Design, Backend, QA, and Web Engineering teams throughout the lifecycle.
• Conduct code reviews and maintain coding standards; drive engineering improvements.
• Support releases and monitor production performance to ensure reliability.
• Stay current with mobile tech and propose tooling/framework improvements.

Skills

React Native

Java/Kotlin (Android)

Swift/Objective-C (iOS)

Cross-platform development

Analytical/problem-solving

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Expo

CI/CD pipelines

Automated testing

Mobile build/release

Job description

About the Role

We are looking for a Mobile Engineer (iOS / Android) to build and maintain high-quality mobile applications across iOS and Android platforms. You will work closely with Product, Design, Backend, and Web Engineering teams to deliver reliable, high-performance mobile experiences. This role is ideal for engineers who enjoy solving technical challenges, optimizing application performance, and contributing to scalable mobile architecture.

Key Responsibilities

• Develop and maintain cross-platform mobile applications using React Native, while building and optimizing native modules for iOS and Android where required.
• Design, develop, test, and enhance mobile application features to ensure high performance, stability, compatibility, and an excellent user experience.
• Optimize application performance, including memory usage, startup time, rendering performance, and overall responsiveness.
• Troubleshoot and resolve technical issues related to builds, packaging, device compatibility, debugging, and production incidents.
• Participate in technical design discussions and contribute to scalable, maintainable, and reusable mobile architecture.
• Collaborate closely with Product Managers, Designers, Backend Engineers, QA, and Web Engineers throughout the software development lifecycle.
• Conduct code reviews, maintain coding standards, and contribute to continuous improvements in engineering practices.
• Support application releases, monitor production performance, and resolve issues to ensure reliable application operation.
• Stay up to date with emerging mobile technologies and recommend improvements to development tools, frameworks, and engineering processes.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related discipline is preferred.
• Strong foundation in computer science fundamentals, including data structures, algorithms, operating systems, computer networks, and software design principles.
• Proficient in Java/Kotlin (Android) or Swift/Objective-C (iOS).
• Experience developing native mobile applications for either iOS or Android.
• Strong problem-solving and analytical skills, with the ability to independently diagnose and resolve technical issues.
• Experience designing or contributing to the technical architecture of at least one end-to-end mobile application.
• Familiarity with modular architecture, component-based development, and software engineering best practices.
• Strong communication and communication skills, with the ability to work effectively in cross-functional teams.
• Self-driven, detail-oriented, and able to take ownership of projects from design through delivery.

Preferred Qualifications

• Experience developing applications using React Native.
• Experience with cross-platform mobile application development.
• Familiarity with Expo, CI/CD pipelines, automated testing, and mobile build and release processes.
• Experience developing large-scale consumer-facing mobile applications.
• Experience with application performance optimization, monitoring, and debugging tools.
• Familiarity with Agile development methodologies and modern DevOps practices.