Senior Frontend & Flutter Engineer (Mobile/Web)

United States Digital Space LLC; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

United States Digital Space LLC seeks a Senior Front-end Developer to lead a team in designing and building scalable mobile UI systems across websites and apps. You will bridge frontend and backend teams, ensuring accessible, performant experiences with robust testing and troubleshooting.

You will guide Flutter-based development, optimize the Flutter engine and framework, and shape reusable software components while mentoring junior engineers for quality delivery.

Qualifications

• Bachelor's degree in CS or related field.
• 4+ years of Android or iOS development experience.
• Strong knowledge of Flutter, Dart, and UI principles.

Responsibilities

• Develop and maintain core modules of mobile products with quality code and reviews.
• Optimize performance and user experience of mobile apps.
• Use Dart for multi‑platform development (Flutter).
• Contribute to Flutter engine/framework performance optimizations.
• Explore new technologies and monitor platform construction.
• Develop Flutter's basic library and associated tooling.

Skills

Dart

Flutter

Android development

iOS development

UI development

Education

Bachelor’s degree in Computer Science or related field

Job description

United States Digital Space LLC seeks a Senior Front-end Developer to lead a team in designing and building scalable mobile UI systems across websites and apps. You will bridge frontend and backend teams, ensuring accessible, performant experiences with robust testing and troubleshooting.

You will guide Flutter-based development, optimize the Flutter engine and framework, and shape reusable software components while mentoring junior engineers for quality delivery.