Software Engineer - Mobile App Development

YouTrip; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

YouTrip is seeking a passionate Mobile App Developer to design, build and maintain high-performance applications using Flutter, delivering exceptional experience across iOS and Android. You’ll collaborate with product managers and backend engineers to scale with our growth.

The ideal candidate has 6+ years of mobile development experience, strong Dart, Swift and Kotlin skills, and a solid grasp of architectures like MVVM and BLoC. Experience with automated testing and RESTful APIs is a plus.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• Minimum of 6 years of professional experience in mobile app development.
• Proven experience in developing mobile applications using Flutter.
• Strong proficiency in Dart, with proven experience in Swift and/or Kotlin for native iOS/Android development.
• Solid understanding of mobile architectures, hybrid integration, and design patterns (e.g., BLoC, Provider, MVVM).
• Experience with automated testing frameworks such as Appium, Espresso, or XCTest is a plus.
• Familiarity with RESTful APIs, secure data storage, analytics, and performance tuning.
• Strong problem-solving and debugging skills, with attention to clean, maintainable code.
• Excellent communication and collaboration skills, working effectively in cross-functional teams.

Responsibilities

• Design, develop, and maintain mobile applications using Flutter that perform seamlessly across both iOS and Android platforms.
• Collaborate with designers, product managers, and backend developers to deliver high-quality features and user experiences.
• Ensure app performance, quality, and responsiveness of applications through optimization, profiling, and code reviews.
• Diagnose and resolve bugs, performance issues, and integration challenges with APIs and native modules.
• Develop and maintain automated tests (unit, widget, and integration) to ensure app reliability and stable releases.
• Work on hybrid modules that integrate Flutter with native iOS (Swift) and Android (Kotlin) components.
• Conduct peer reviews and mentor junior developers, promoting best practices and technical growth.
• Stay updated with latest Flutter, Dart, and mobile ecosystem advancements, adopting improvements into the app architecture.

Skills

Mobile development

Flutter

Dart

Swift

Kotlin

RESTful APIs

Automated testing concepts

Education

Bachelor’s or Master’s degree in Computer Science/Software Engineering

Tools

Flutter

Dart

Swift

Kotlin

Appium

Espresso

XCTest

Job description

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: Software Engineer- Mobile App Development

We are looking for a passionate Mobile Developer to design, build and maintain high-performance applications using Flutter, delivering exceptional experience across both iOS and Android. You’ll collaborate closely with product managers, and backend engineers to build features that delight users and scale with our growth.

Key Responsibilities

• Design, develop, and maintain mobile applications using Flutter that perform seamlessly across both iOS and Android platforms.

• Collaborate with designers, product managers, and backend developers to deliver high-quality features and user experiences.

• Ensure app performance, quality, and responsiveness of applications through optimization, profiling, and code reviews.

• Diagnose and resolve bugs, performance issues, and integration challenges with APIs and native modules.

• Develop and maintain automated tests (unit, widget, and integration) to ensure app reliability and stable releases.

• Work on hybrid modules that integrate Flutter with native iOS (Swift) and Android (Kotlin) components.

• Conduct peer reviews and mentor junior developers, promoting best practices and technical growth.

• Stay updated with latest Flutter, Dart, and mobile ecosystem advancements, adopting improvements into the app architecture.

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

• Minimum of 6 years of professional experience in mobile app development.

• Proven experience in developing mobile applications using Flutter.

• Strong proficiency in Dart, with proven experience in Swift and/or Kotlin for native iOS/Android development.

• Solid understanding of mobile architectures, hybrid integration, and design patterns (e.g., BLoC, Provider, MVVM).

• Experience with automated testing frameworks such as Appium, Espresso, or XCTest is a plus.

• Familiarity with RESTful APIs, secure data storage, analytics, and performance tuning.

• Strong problem-solving and debugging skills, with attention to clean, maintainable code.

• Excellent communication and collaboration skills, working effectively in cross-functional teams.