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Software Engineer, Mobile

OKX

Hong Kong, Hong Kong SAR · Hong Kong · Onsite · Posted Sep 24, 2026

At a glance

Workplace
Onsite
Location
Hong Kong, Hong Kong SAR · Hong Kong

About the role

  • OKX is seeking impact-driven Mobile Engineers to build and scale high-performance native mobile applications in Hong Kong.
  • The role involves working on core product ecosystems, including high-concurrency trading engines and user growth systems, while collaborating with cross-functional teams.

Responsibilities

  • Design, develop, and maintain modular, reliable native mobile features for iOS or Android.
  • Drive technical decision-making on mobile architecture, API design, performance optimization, and network resiliency.
  • Partner with Product Management, Design, and Backend Engineering to translate requirements into mobile experiences.
  • Write clean, testable, and maintainable code while upholding standards for code reviews, testing, and security.
  • Actively apply AI coding tools to build and maintain repeatable personal AI development workflows.
  • Leverage modern development tools and automated CI/CD pipelines to maintain rapid iteration speeds.

Requirements

  • Solid software engineering fundamentals with hands-on experience building, shipping, or maintaining production native mobile applications.
  • Proficiency in iOS development with Swift/Objective-C or Android development with Kotlin/Java.
  • Strong understanding of mobile system design, clean architecture, memory management, testing, and performance tuning.
  • Ability to actively apply AI coding tools in your workflow and optimize personal engineering productivity.
  • Problem-solving mindset with the ability to take ownership of end-to-end features and drive execution independently.

Benefits

  • Competitive total compensation package
  • L&D programs and Education subsidy
  • Team building programs and company events
  • Wellness and meal allowances
  • Comprehensive healthcare schemes for employees and dependants

Skills

  • iOS
  • Android
  • Swift
  • Objective-C
  • Kotlin
  • Java
  • CI/CD
  • API Design

OKX

Software Engineer, Mobile

Apply now