Staff Mobile Engineer

YouTrip; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

YouTrip is seeking a Staff Mobile Engineer in Singapore to lead Flutter/Dart mobile development and drive replatforming across iOS and Android. You will mentor engineers, ensure performance and maintainability, and collaborate with cross-functional teams to deliver scalable, high-quality mobile experiences.

The role emphasizes architecture, reliability, and continuous improvement of the mobile stack while aligning with business goals and market needs.

Qualifications

• Minimum 7 years of mobile app development experience.
• 3+ years of Flutter and Dart experience.
• Proficiency in Swift or Kotlin (prefer both).
• Demonstrated experience designing scalable mobile architectures.
• Strong problem-solving and communication skills.
• Experience with CI/CD and automated testing.

Responsibilities

• Lead Flutter/Dart mobile development across platforms.
• Architect robust, maintainable mobile solutions with platform-specific enhancements.
• Own app deployment accounts and certificates.
• Handle crash/incident triage and hotfix decisions.
• Modernize mobile tech stack using Swift/Kotlin where needed.
• Collaborate with cross-functional teams to implement scalable solutions.
• Identify and implement efficiency improvements in development workflow.
• Mentor junior/mid-level engineers to raise team standards.
• Stay updated on mobile development trends and apply relevant advances.

Skills

Flutter

Dart

Swift

Kotlin

Architectural Thinking

CI/CD

Testing Automation

State Management

Collaboration

Education

Bachelor's or Master's in CS/Software Eng

Tools

App Store Connect

Google Play

Firebase

Job description

We Are

YouTrip is the leading and fastest-growing multi-currency payment platform in Asia Pacific. In 2018, we pioneered the region's first multi-currency digital wallet. Now, YouTrip is the #1 multi-currency digital wallet trusted by millions across the region, processing over US$15 billion in total payment value annually.

Our consumer and business propositions – YouTrip and YouBiz – empower individuals and businesses with inclusive, accessible, and affordable financial solutions. YouTrip has raised over US$110 million to date, including its recent Series B round led by global venture capital firm Lightspeed Venture Partners—underscoring strong investor confidence in its mission to transform digital financial services across the Asia Pacific.

Recognised as World Economic Forum’s Global Innovator 2025, CNBC’s World’s Top Fintech Companies (2025, 2024), and LinkedIn’s Top Startup (2024, 2023), YouTrip is dedicated to creating the next generation of digital finance services for consumers and businesses.

Valuing an entrepreneurial culture of diversity and inclusion, we are seeking driven individuals to join our fast-growing regional team as we push the boundaries of innovative fintech solutions.

Job Description - Staff Mobile Engineer

We are seeking a highly experienced and motivated Staff Mobile Engineer to join our team in Singapore. The ideal candidate will have deep expertise in Flutter development and a solid background in iOS or Android native app development (preferably both). As a Staff Mobile Engineer, you will play a pivotal role in designing and replatforming our mobile applications, ensuring stability, maintainability, and top-notch user experiences. Your focus will include driving efficiencies, improving processes, and mentoring team members to elevate our mobile engineering capabilities.

You Will:

• Lead the development of our mobile applications using Flutter and Dart, integrating best practices for performance and maintainability.
• Architect robust and maintainable solutions, incorporating platform-specific enhancements with Swift or Kotlin where necessary.
• Ownership of app store access and deployment accounts (App Store Connect, Google Play, Firebase) across all the markets, including Apple certificates, provisioning profiles, and code signing repositories.
• Crash/incident triage — Crashlytics thresholds, hotfix decisions, being the escalation point.
• Drive the modernization of the mobile tech stack by leveraging Swift or Kotlin, or both, to ensure platform-specific enhancements where needed.
• Collaborate with cross-functional teams to design, architect, and implement scalable solutions aligned with business goals.
• Identify opportunities for efficiency improvements in the development process and implement solutions to enhance productivity.
• Champion an improvement mindset by consistently evaluating and enhancing app performance, usability, and code quality.
• Provide technical guidance and mentorship to junior and mid-level mobile engineers to foster growth and maintain high team standards.
• Stay up-to-date with the latest trends in mobile development and advocate for incorporating relevant advancements into the tech stack.

You Are:

• Education: Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Experience: Minimum of 7 years of professional experience in mobile app development, with 3+ years of experience in Flutter and Dart.
• Platform Expertise: Proficiency in either Swift or Kotlin (experience with both is strongly preferred).
• Architectural Thinking: Demonstrated experience designing scalable and maintainable mobile application architectures.
• Problem-Solving Skills: Strong analytical and critical thinking skills with a proven track record of resolving complex technical challenges.
• Efficiency Mindset: Passion for driving efficiency and continuous improvement across the mobile engineering process.
• Collaboration: Excellent communication and interpersonal skills, with experience working in cross-functional teams.
• Tools and Practices: Familiarity with state management solutions (e.g., Provider, Riverpod, Bloc), CI/CD pipelines, and automated testing frameworks.