Client Full-Stack Engineer — IM Chat Platform, Android Focus

About This Opportunity

Our talent team is representing a confidential blockchain technology organization seeking a Client Full-Stack Engineer with Android focus to build their instant messaging platform. This is a remote opportunity based in the APAC region.

We're looking for engineers who can take ownership of client-side development for a real-time communication product serving millions of users globally. You'll work on core messaging functionality while leveraging AI-powered development tools to contribute across multiple client platforms.

Responsibilities

• Design, develop, and maintain client-side applications for an instant messaging platform, with Android as the primary focus
• Build core messaging features: real-time chat, group chat, media messaging, message sync, offline messaging, and push notifications
• Participate in client-side architecture design, ensuring consistent user experience across Android, iOS, and Web platforms
• Use AI-powered tools (Cursor, GitHub Copilot, ChatGPT, Claude, or similar) to support cross-stack frontend development — read, debug, and modify iOS/Web codebases
• Integrate RESTful APIs and WebSocket/MQTT/gRPC real-time communication protocols
• Handle local storage, offline-first experience, message state management, and cross-platform sync logic
• Optimize client performance: startup speed, memory usage, battery consumption, network efficiency, and UI responsiveness
• Collaborate with backend teams on API design, integration, and production issue investigation
• For senior level: mentor junior engineers and contribute to technical design decisions

What We're Looking For

Required Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or related discipline
• Engineer level: 1-3+ years of experience; Senior Engineer: 3-5+ years
• Solid production experience in Android development using Kotlin and/or Java
• Strong understanding of Android SDK, Jetpack components, asynchronous programming, and modern client-side architecture
• Demonstrated ability to use AI-powered development tools (Cursor, GitHub Copilot, ChatGPT, Claude, or similar) for cross-stack frontend development
• Able to read, understand, debug, and make reasonable changes in iOS or Web codebases with AI tool support
• Familiarity with WebSocket, MQTT, gRPC, or similar real-time communication protocols
• Understanding of messaging concepts: message delivery, read status, sync, local persistence, offline support, and push notifications
• Strong grasp of client-side performance optimization, memory management, multithreading, and security best practices
• Experience with Git, CI/CD pipelines, automated testing, and Agile processes
• Excellent debugging, problem-solving, ownership, and communication skills

Preferred Qualifications:

• Experience building instant messaging products or communication platforms
• iOS development experience (Swift, SwiftUI, Objective-C)
• Web frontend experience (TypeScript, React, Vue, Next.js)
• Cross-platform client or mobile full-stack development experience
• End-to-end encryption, message security, or cryptographic protocols experience
• Voice/video calling or RTC technologies experience
• Large-scale distributed messaging infrastructure experience
• Fintech, payments, or Web3 applications experience
• Open-source contributions or published apps on Google Play/App Store

How We Work With You

When you apply through Get A Job.ai, one of our recruiters will screen your application and contact qualified candidates directly. We'll prepare you for the process and submit your profile to our client on your behalf. Please do not attempt to contact the client directly, as all applications must go through our recruiting team to be considered.

This is a work-from-home arrangement. The specific working arrangement may vary depending on team requirements.

Pay

Compensation details will be discussed with qualified candidates during the screening process. Our client offers competitive salary and benefits.

Equal Opportunity: Get A Job.ai is committed to fostering an inclusive recruitment process. We welcome applications from candidates of all backgrounds and work with clients who share our commitment to diversity and equal opportunity employment.