Senior Cross-Platform Mobile Engineer: Flutter, Angular, Ionic

Hexa Business; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Hexa Business in Kuala Lumpur is seeking a Senior Mobile Application Engineer with hands-on experience across Flutter, Angular, and Ionic. You will own features across native, hybrid, and web components, delivering cohesive user experiences.

The role emphasizes MVVM state management in Flutter, strong TypeScript skills, and the ability to drive end-to-end mobile delivery, including CI/CD, provisioning, and secure storage strategies. Join a cross-functional team and ship robust apps.

Qualifications

• 4+ years of mobile app engineering with Flutter / Dart.
• Hands-on Angular / TypeScript app development.
• Experience with Ionic or hybrid frameworks.
• MVVM state management in Flutter (Stacked/Riverpod/BLoC).
• Flutter codegen with build_runner and freezed.
• Android/iOS build config, multi-flavor releases, signing.
• Firebase SDKs: Crashlytics, Remote Config, Analytics, App Distribution.
• REST API integration and mobile API contracts.
• Secure storage, tokens, biometrics, OTP/TOTP flows.
• Able to work across mobile, hybrid, and web teams.

Responsibilities

• Build and maintain mobile application features across Flutter, Angular / TypeScript, and Ionic where required
• Develop Flutter screens and flows following MVVM-style patterns such as Stacked, Riverpod, or BLoC
• Contribute to Angular-based modules, TypeScript services, routing, reusable components, and responsive interface flows
• Support Ionic-based hybrid application development and WebView-integrated customer journeys
• Manage multi-flavor builds across SIT, UAT, PreProd, and Prod for Android and iOS
• Support mobile CI/CD automation, including Android signing, iOS provisioning profiles, TestFlight, and Xcode build pipelines
• Integrate REST APIs consistently across mobile, hybrid, and web-facing application components
• Manage secure on-device storage, TOTP-based MFA, PIN authentication, biometric authentication, and auth token handling
• Implement and maintain Firebase Remote Config, Crashlytics, Analytics, App Distribution, and Sentry monitoring

Skills

Flutter

Angular

Ionic

TypeScript

MVVM

Flutter Codegen

Android/iOS Build

Firebase

REST APIs

Security / MFA

Tools

Flutter / Dart

Angular / TypeScript

Ionic Framework

MVVM / State mgmt

build_runner / freezed

Android signing

Provisioning profiles

Firebase (Crashlytics, Remote Config, Analytics)

REST API integration

Sentry monitoring

Job description

Hexa Business in Kuala Lumpur is seeking a Senior Mobile Application Engineer with hands-on experience across Flutter, Angular, and Ionic. You will own features across native, hybrid, and web components, delivering cohesive user experiences.

The role emphasizes MVVM state management in Flutter, strong TypeScript skills, and the ability to drive end-to-end mobile delivery, including CI/CD, provisioning, and secure storage strategies. Join a cross-functional team and ship robust apps.