At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.
OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.
Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.
OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.
You are deeply native in either iOS or Android, and confident contributing across both platforms leveraging AI coding tools to move fluidly between stacks. You care about engineering quality at the foundation level: architecture, performance, toolchain, and developer experience.
- Build and maintain mobile infrastructure, tooling, and shared frameworks that improve engineering efficiency and developer experience across the organisation.
- Analyse and optimise application code at the UI and infrastructure layer, including memory footprint, package size, startup time, and rendering performance.
- Design and develop reusable, scalable mobile components for use across iOS and Android platforms.
- Partner with product engineering teams to deliver infrastructure solutions, establish best practices, and drive technical standards.
- Drive architecture innovations that support world-class mobile app development at scale.
- Optimise project structure and engineering workflows to improve productivity, quality, and release velocity.
- Apply AI coding tools to accelerate infrastructure development, improve code quality, and cross-translate solutions across iOS and Android platforms.
- Stay current with mobile platform developments and emerging toolchain innovations, evaluating and adopting what moves the needle.
- 6+ years of native iOS or Android development experience, with a strong track record in infrastructure, platform, or architecture work.
- Deep expertise in either iOS (Swift/Objective-C/C++) or Android (Kotlin/Java, Jetpack), with confidence contributing across both platforms.
- Actively uses AI tools in your engineering workflow — including building AI-leveraged workflows, curating domain knowledge bases, and codifying repeatable agent skills so tools like Claude Code or Codex deliver reliably on real production work.
- Proven experience optimising app performance — memory, package size, startup time, and UI rendering — in production environments at scale.
- Deep understanding of design patterns, architectural principles, and the mobile SDK layer for building scalable, high-performance components.
- Working knowledge of remote APIs, concurrency, layouts, transitions, animations, client-side persistence, and mobile architectural patterns.
- Strong communication skills — comfortable collaborating across global teams and delivering large-scale engineering outcomes independently.
- Experience working in a dedicated mobile architecture or infrastructure team with deep platform specialisation.
- Hands-on experience across performance optimisation, toolchain engineering, automated testing frameworks, or design pattern standardisation.
- Experience working across both iOS and Android in a production infrastructure context.
- Familiarity with cross-platform frameworks such as React Native or Flutter.
- Experience in fintech, crypto, or other high-scale consumer app environments.
- 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!
- More that we love to tell you along the process!
#LI-ML1 #LI-ONS
Skills Required
- 6+ years of native iOS or Android development experience
- Deep expertise in iOS (Swift/Objective-C/C++) or Android (Kotlin/Java, Jetpack)
- Actively uses AI coding tools and builds AI-leveraged engineering workflows (e.g., Claude Code, Codex)
- Proven experience optimizing app performance in production (memory, package size, startup time, UI rendering)
- Deep understanding of design patterns, architectural principles, and mobile SDK layer
- Working knowledge of remote APIs, concurrency, layouts, transitions, animations, and client-side persistence
- Strong communication skills and ability to collaborate across global teams
- Experience in a dedicated mobile architecture or infrastructure team
- Hands-on experience with toolchain engineering, automated testing frameworks, or performance tooling
- Experience working across both iOS and Android in a production infrastructure context
- Familiarity with cross-platform frameworks such as React Native or Flutter
- Experience in fintech, crypto, or other high-scale consumer app environments
- Current right to work in Singapore or not requiring visa sponsorship (prioritized)
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.
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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.
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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.
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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.
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