Responsibilities
- Build and maintain mobile infrastructure, tooling, and shared frameworks that improve engineering efficiency and developer experience.
- Analyze and optimize application code at the UI and infrastructure layers, including memory, package size, startup time, and rendering performance.
- Design and develop reusable, scalable mobile components for iOS and Android.
- Partner with product engineering teams on infrastructure solutions, best practices, and technical standards.
- Drive architecture innovations for large-scale mobile application development.
- Optimize project structures and engineering workflows to improve productivity, quality, and release velocity.
- Apply AI coding tools to accelerate infrastructure development, improve code quality, and translate solutions across mobile platforms.
- Evaluate and adopt relevant mobile platform and toolchain innovations.
Requirements
- At least 6 years of native iOS or Android development experience with infrastructure, platform, or architecture work.
- Deep expertise in iOS or Android, including Swift, Objective-C, and C++ or Kotlin, Java, and Jetpack, with confidence contributing across both platforms.
- Active use of AI engineering tools and experience building AI-leveraged workflows, knowledge bases, and repeatable agent skills.
- Production experience optimizing memory footprint, package size, startup time, and UI rendering performance at scale.
- Deep understanding of design patterns, architectural principles, and the mobile SDK layer.
- Working knowledge of remote APIs, concurrency, layouts, transitions, animations, client-side persistence, and mobile architectural patterns.
- Strong communication and independent delivery skills across global teams.
- Preferred experience includes mobile architecture or infrastructure teams, performance optimization, toolchain engineering, automated testing frameworks, design pattern standardization, both iOS and Android, React Native or Flutter, and fintech, crypto, or high-scale consumer applications.
Benefits
- L&D programs and an education subsidy
- Team-building programs and company events
- Wellness and meal allowances
- Comprehensive healthcare schemes for employees and dependants
About OKX
At OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have developed one of the most connected Web3 wallets used by millions to access decentralized crypto applications (dApps). OKX is a trusted brand by hundreds of large institutions seeking access to crypto markets on a reliable platform that seamlessly connects with global banking and payments. In the last year, OKX has expanded into new markets including Australia, Brazil, Netherlands, Singapore and Turkey, with plans to launch in the US, Belgium and the UAE. We are deeply committed to shaping a fairer, more transparent and accessible society through blockchain technology. This is why we publish proof of reserves monthly, and continue to ship new innovative security features. We believe in good sportmanship and the pursuit to be better. You may see our OKX logo neatly fitted on the McLaren F1 cars, Manchester City FC team shirts, or at the Tribeca Film Festival celebrating artists and creators. Wherever you may find us, you will notice our pursuit of making our world more efficient, transparent, and connected. To learn more about OKX, download our app or visit: www.okx.com UK users follow: https://www.linkedin.com/company/okxuk/ Learn more about working at OKG, the business group developing OKX, our Digital Assets Exchange, our Web3 portal and blockchain ecosystems: bit.ly/WorkingatOKG