Senior Mobile & Cross-Platform Engineer

SMEC (an SJ Group company); Mandaluyong; On-site; PHP 1,200,000 - 1,800,000; Full time

Job summary

SMEC (an SJ Group company) is seeking an expert Mobile Developer to deliver features across iOS, Android and Flutter for global projects. You will collaborate with cross-functional teams to drive quality mobile experiences and scalable solutions.

The role emphasizes independent feature development, code reviews, performance awareness, and secure authentication practices across devices and platforms. Join a world‑class team in Manila.

Qualifications

• At least 10 years in mobile/cross-platform development.
• At least 8 years Flutter and/or native iOS/Android in production.
• Able to independently execute feature developments, perform code reviews, and collaborate with teammates of varying expertise and experience.
• React Native familiarity is expected; deeper RN experience is a plus.

Responsibilities

• Deliver new features for mobile applications to meet project, client and unit requirements
• Maintain and extend existing applications across supported devices and OS versions
• Integrate applications with the unit's backend services and external data sources
• Implement secure login and session handling, on-device credential storage and multi-factor verification / authentication
• Deliver location-based features including site presence checks and permission handling
• Support app information capture, transfer and synchronisation over unreliable connections
• Build screens presenting integration-backed content - documents, data summaries, spatial and near-real-time sensor data
• Maintain offline app feature capabilities and local caching for use without connectivity
• Own application structure and patterns for environments, retries and sync/error handling
• Work with backend and web teams on interface contracts, versioning and device metadata
• Manage builds and store releases so live changes are tested, auditable and reversible
• Maintain code quality, documentation, peer review and code tests
• Resolve faults across applications, device features, uploads and connected services

Skills

Mobile development

Flutter

iOS

Android

React Native

Tools

Git

CI/CD

TestFlight / Play Console

Job description

SMEC (an SJ Group company) is seeking an expert Mobile Developer to deliver features across iOS, Android and Flutter for global projects. You will collaborate with cross-functional teams to drive quality mobile experiences and scalable solutions.

The role emphasizes independent feature development, code reviews, performance awareness, and secure authentication practices across devices and platforms. Join a world‑class team in Manila.