Software Engineer - Mobile Development

re-zoo-me; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

YouTrip in Singapore is seeking an experienced Flutter mobile engineer to design, develop, and maintain cross‑platform apps for iOS and Android. You will collaborate with product, design, and backend teams to deliver high‑quality features and reliable user experiences.

The role requires 3+ years in Flutter/Dart with strong Swift or Kotlin knowledge, UI frameworks, and experience publishing to App Store and managing releases.

Qualifications

• 3+ years of professional experience in Flutter and Dart.
• Strong expertise in Swift or Kotlin (experience with both preferred).
• Experience with UIKit and/or SwiftUI.
• Experience publishing and maintaining apps on the Apple App Store (TestFlight, provisioning, certificates).
• Experience with iOS testing frameworks such as XCTest/UI testing.
• Solid understanding of RESTful APIs, analytics, and third‑party SDK integration.
• Strong debugging, problem‑solving, and communication skills.
• Ability to work effectively in cross‑functional and distributed teams.

Responsibilities

• Design, develop, and maintain Flutter apps for iOS and Android.
• Collaborate with designers, product managers, and backend developers to deliver features.
• Ensure app performance, quality, and responsiveness through profiling and reviews.
• Diagnose and resolve bugs and integration challenges with APIs and native modules.
• Develop and maintain automated tests (unit, widget, integration).
• Work on hybrid modules integrating Flutter with native iOS/Android components.
• Conduct peer reviews and mentor junior developers.
• Stay updated with Flutter, Dart, and mobile ecosystem advancements.

Skills

Flutter

Dart

Swift

Kotlin

UIKit/SwiftUI

RESTful APIs

Testing (unit/widget/integration)

Cross-functional collaboration

Performance optimization

Code debugging

Education

Bachelor's or Master's in Computer Science/Software Engineering

Tools

Xcode

TestFlight

App Store

CI/CD pipelines

Git

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.

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

Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
• 3+ years of professional experience in Flutter and Dart
• Strong expertise in Swift or Kotlin (experience with both is strongly preferred)
• Experience with UIKit and/or SwiftUI
• Deep understanding of iOS application architecture, lifecycle management, memory management, networking, security, and performance optimization
• Experience publishing and maintaining applications on the Apple App Store, including TestFlight, provisioning, certificates, and release management
• Experience with iOS testing frameworks such as XCTest and UI testing frameworks
• Strong understanding of software design patterns, clean architecture principles, and maintainable code practices
• Experience integrating RESTful APIs, authentication mechanisms, analytics platforms, and third-party SDKs
• Excellent debugging, problem-solving, and communication skills
• Ability to work effectively in cross-functional and distributed teams

Nice to Have

• Familiarity with Kotlin or Android development
• Experience with automated testing frameworks such as Appium, Espresso, or XCTest
• Experience with CI/CD pipelines and mobile release automation