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Senior Mobile Application Developer (Flutter / iOS)

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This job is for a Senior Mobile Application Developer who will create and enhance apps using Flutter and iOS. You might like this job because you'll build reliable products that impact real users and mentor junior programmers along the way!

RM 5500 - RM 7500

KL Trillion, Kuala Lumpur

Job Description

We’re looking for a Senior Mobile Developer who takes ownership of their work, writes clean code, and enjoys building reliable mobile products used in real-world, production environments.

Responsibilities

  • Develop, maintain, and enhance mobile applications using Flutter.
  • Build and manage iOS applications, including TestFlight distribution and App Store release workflows.
  • Collaborate closely with backend and product teams to deliver production-ready mobile solutions.
  • Write clean, maintainable, and well-tested code.
  • Debug, troubleshoot, and optimise mobile application performance.
  • Participate in code reviews and contribute to improving engineering standards.
  • Support and mentor junior developers when needed.

Why Join Us

  • Work on real-world systems where reliability and correctness matter.
  • Build products operating in complex, high-stakes environments.
  • Develop transactional, user-facing applications used in live production.
  • Gain exposure to systems requiring scalability and long-term maintainability.
  • Work in an environment that values engineering judgement, not just speed.
  • Take real ownership — your work directly shapes the product.

How to Apply

Please include your resume, GitHub or portfolio link, and a short introduction about your experience.


Job Requirements

  • 4+ years of experience in mobile application development.
  • Strong hands-on experience with Flutter.
  • Solid understanding of iOS development, including App Store submission processes.
  • Experience working with REST APIs, Firebase, and push notifications.
  • Good knowledge of mobile app architecture and best practices.
  • Experience using Git and version control workflows.
  • Strong problem-solving skills and clear communication.
  • Self-managed and able to take ownership of end-to-end delivery.

We work fast, expect quality, and appreciate developers who think before they execute.

Bonus Skills

  • Experience with cross-platform deployment.
  • Knowledge of CI/CD pipelines for mobile applications.

Skills

Mobile Application Development
Flutter (Software)
IOS Development

Company Benefits

Flexible Work Arrangements

We provide flexible work arrangements to accommodate your personal and professional needs, ensuring a supportive and adaptable environment.

Young & Dynamic Workplace & Culture

Join a vibrant and energetic team in a workplace that fosters innovation and creativity.

Progressive Career Prospects

We offer clear career advancement opportunities and are committed to supporting your professional development through training, and projects.

Well Rewarding Project Contribution

We recognise and reward contributions with competitive compensation, performance bonuses, and exciting project incentives.


Additional Info

Company Activity

Last active - few hours ago

Career Level

Senior Executive

Job Specialisation


Company Profile

SandBox Innovation Sdn Bhd (1581053-D)-logo-image

SandBox Innovation Sdn Bhd (1581053-D)

Sandbox Innovation is a cutting-edge IT firm specializing in software solutions for the financial industry. We are a dynamic FinTech company headquartered in Australia, now expanding our footprint to Malaysia.  As a dynamic software house, we deliver comprehensive and scalable technologies that empower financial institutions and businesses. Our core services include developing accounting software, money exchange...