Lead React Native Developer

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• Position Title: Lead React Native Developer • Division: Software Development • Location: Singapore/Vietnam  • Employment Type: Full-Time, Permanent • Reports To: Director (R&D) or Senior Manager (Software Development) • Seniority Level: Staff / Team Lead   About BRT Systems BRT Systems Pte Ltd is a Singapore-based technology company specialising in smart building and home automation solutions. Our flagship platform, PanL Smart Living (PSL), powers a growing suite of Intelligent Building Management System (iBMS) products covering Lighting Management, Space Management, Restroom Management, Air Quality Management, and Digital Twin visualisation. Our mobile applications are a critical customer touchpoint — putting building intelligence directly into the hands of facility managers, occupants, and operations teams on both iOS and Android. Required Qualifications & Experience React Native & JavaScript Ecosystem Minimum 10 years of mobile development experience, with at least 5 years dedicated to React Native in production environments. Minimum 5 years of formal team lead or staff engineer experience with direct mentoring responsibility for mid-senior engineers. Demonstrable experience leading a team through a significant technology transition (platform migration, framework adoption, or language re-platforming). Expert-level proficiency in TypeScript; strong understanding of JavaScript runtime behaviour, event loop, and async patterns. Deep knowledge of React Native internals, proven experience with state management, mastery of React Navigation and complex nested navigation architectures. Proficiency with react-native-cli, managed and bare workflows; ability to evaluate trade-offs and choose appropriately per project. Solid understanding of native iOS development (Swift, Objective-C, UIKit, SwiftUI) sufficient to author and debug React Native native modules and bridges. Solid understanding of native Android development (Kotlin, Java, Jetpack) sufficient to author and debug React Native native modules and bridges. Ability to read and navigate existing native codebases for accurate migration planning and risk assessment. Demonstrated track record of publishing multiple mobile applications to the Apple App Store and Google Play Store — Include links or names of published apps in your application. Experience writing and maintaining Jest unit tests, React Native Testing Library integration tests, and Detox E2E tests. Strong written and verbal communication skills in

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