Senior Flutter Engineer

Senior Flutter Engineer / Flutter Technical Expert

About the Role

We are seeking an experienced Flutter Engineer to join our engineering team in Singapore.

You will be responsible for building and optimizing high-performance mobile applications that support real-time financial data, trading workflows, portfolio management, and mission-critical business operations.

The ideal candidate has strong experience developing scalable mobile applications in high-concurrency environments and is passionate about delivering exceptional user experiences for demanding financial services products.

Responsibilities

• Design, develop, and maintain cross-platform mobile applications using Flutter.

• Build highly responsive, low-latency user interfaces for real-time financial and trading systems.

• Collaborate with Product Managers, Backend Engineers, QA Engineers, and Designers to deliver high-quality products.

• Optimize application performance, stability, and scalability across Android and iOS platforms.

• Integrate with complex backend APIs, WebSocket services, and real-time data streams.

• Participate in technical architecture design and code reviews.

• Troubleshoot and resolve production issues to ensure system reliability.

• Continuously improve engineering practices, development processes, and application quality.

• Mentor junior engineers and contribute to team technical growth.

Requirements

Must Have

• Bachelor's degree in Computer Science, Software Engineering, or related field.

• 5+ years of software development experience.

• 3+ years of hands-on Flutter development experience.

• Strong proficiency in Dart programming language.

• Solid understanding of Flutter architecture, state management, and performance optimization.

• Experience publishing and maintaining applications on both App Store and Google Play.

• Experience integrating RESTful APIs and WebSocket-based services.

• Strong understanding of mobile security, application lifecycle management, and performance tuning.

• Familiarity with Git, CI/CD pipelines, and automated testing frameworks.

Preferred

• Experience in financial services, trading platforms, banking systems, securities, wealth management, payment systems, or capital markets.

• Experience developing high-concurrency, high-availability systems supporting large-scale user traffic.

• Experience working with real-time market data, streaming systems, or low-latency applications.

• Familiarity with microservices architectures and distributed systems.

• Knowledge of mobile observability, monitoring, and performance analytics.

• Experience leading technical projects or mentoring engineers.