We are looking for talented, impact-driven Mobile Engineers to join our engineering organization in Hong Kong. In this role, you will build and scale high-performance, resilient native mobile applications that power OKX’s core product ecosystems—ranging from high-concurrency payment and trading engines to user acquisition, engagement, and product growth systems. You will work on cross-functional engineering challenges at global scale, partnering closely with product design, backend architecture, security, and regional teams.
- Build & Scale Native Mobile Apps: Design, develop, and maintain modular, reliable native mobile features (iOS or Android) used by millions of global users.
- Architect Core Systems: Drive technical decision-making on mobile architecture, API design, performance optimization, and offline/network resiliency.
- Collaborate Cross-Functionally: Partner closely with Product Management, Design, and Backend Engineering to translate complex user and commercial requirements into intuitive, reliable mobile experiences.
- Ensure Quality & Rigor: Write clean, testable, and maintainable code while maintaining high engineering standards for code reviews, testing, security, and monitoring.
- Integrate AI Workflows: Apply AI coding tools actively in your workflow—not only for code generation, but also to build and maintain repeatable personal AI development workflows.
- Modernize Engineering Tooling: Leverage modern development tools, automated CI/CD pipelines, and productivity workflows to maintain rapid iteration speeds.
- Solid software engineering fundamentals with hands-on experience building, shipping, or maintaining production native mobile applications (iOS with Swift/Objective-C or Android 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 continuously optimize personal engineering productivity.
- Problem-solving mindset with the ability to take ownership of end-to-end features and drive execution independently.
- Experience in fintech, crypto, digital payments, high-concurrency consumer apps, or growth systems.
- Familiarity with mobile architecture patterns, CI/CD pipelines, experimentation frameworks, or attribution tools.
- Competitive total compensation package
- L&D programs and Education subsidy for employees' growth and development
- Various team building programs and company events
- Wellness and meal allowances
- Comprehensive healthcare schemes for employees and dependants
- More that we love to tell you along the process!
Skills Required
- Hands-on experience building, shipping, or maintaining production native mobile applications
- Experience with iOS development using Swift or Objective-C, or Android development using Kotlin or Java
- Strong understanding of mobile system design and clean architecture
- Knowledge of memory management, testing, and performance tuning
- Ability to actively apply AI coding tools and optimize engineering productivity
- Ability to take ownership of end-to-end features and drive execution independently
- Experience in fintech, crypto, digital payments, high-concurrency consumer applications, or growth systems
- Familiarity with mobile architecture patterns, CI/CD pipelines, experimentation frameworks, or attribution tools
- Current right to work in Hong Kong without requiring employer visa sponsorship
OKX Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about OKX and has not been reviewed or approved by OKX.
-
Fair & Transparent Compensation — Pay is considered competitive or above market, especially in engineering, product, and legal roles across major hubs. This positioning is consistently cited as a major attraction for candidates.
-
Healthcare Strength — Role descriptions indicate comprehensive medical, dental, vision, life, and disability coverage, with employer-paid premiums in some cases. Health coverage is highlighted alongside core benefits like PTO and parental leave.
-
Wellbeing & Lifestyle Benefits — Allowances for education and fitness, meal perks and snacks, team-building budgets, and structured learning programs are described across locations. These extras enhance the total rewards package beyond base pay.
OKX Insights
What We Do
Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX’s vision is a world of financial access backed by blockchain and the power of decentralized finance.
