Senior React Native Engineer - Cross-Platform Mobile Apps

Aleph-Labs; Jakarta Pusat; On-site; IDR 420,000,000 - 660,000,000; Full time

Job summary

Aleph Labs in Jakarta is expanding its Talent Pool for Senior React Native Developers to drive high-impact digital initiatives. You will build, scale, and deliver high-performance cross-platform mobile apps using React Native and TypeScript, targeting iOS and Android.

You will collaborate with Agile teams, integrate REST APIs and GraphQL, and maintain clean architecture while advancing CI/CD and automated testing. On-site at Gatot Subroto, Jakarta Selatan, English communication required.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 3–5+ years of experience building cross-platform mobile apps using React Native, JavaScript (ES6+), and TypeScript.
• Strong understanding of ReactJS, state management, REST APIs/GraphQL, and offline storage.
• Familiarity with native build tools (Xcode, Android Studio/Gradle) and integration of native APIs.
• Fluent in English with strong confidence to communicate directly with stakeholders.
• Willingness to work On-Site (WFO) in Gatot Subroto, Jakarta Selatan.

Responsibilities

• Core React Native Development: Architect, build, and optimize high-availability cross-platform apps (iOS & Android) using React Native and TypeScript.
• Client & Team Collaboration: Partner with cross-functional Agile/Scrum teams and communicate effectively in English with both local and regional stakeholders.
• System Integration & Quality: Integrate REST APIs, GraphQL, and native modules. Diagnose bugs, optimize performance to feel native, and maintain clean codebase architecture.
• Modern Tooling & Practice: Experience with CI/CD tools, automated testing, and transitioning web apps to React Native is a great plus.

Skills

React Native

TypeScript

JavaScript (ES6+)

ReactJS

REST APIs

GraphQL

CI/CD

Automated testing

Mobile app development

English communication

Education

Bachelor's degree in Computer Science/IT

Tools

Xcode

Android Studio/Gradle

Job description

Aleph Labs in Jakarta is expanding its Talent Pool for Senior React Native Developers to drive high-impact digital initiatives. You will build, scale, and deliver high-performance cross-platform mobile apps using React Native and TypeScript, targeting iOS and Android.

You will collaborate with Agile teams, integrate REST APIs and GraphQL, and maintain clean architecture while advancing CI/CD and automated testing. On-site at Gatot Subroto, Jakarta Selatan, English communication required.