Senior Mobile Engineer Card Payment
OKX is a leading global cryptocurrency exchange offering a wide range of trading services, including spot and derivatives trading, as well as Web3 solutions.
Maintainer signals as of 8/12/2026
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About OKX
OKX is a global cryptocurrency exchange known for its trading services and financial products. The platform offers a wide range of features, including spot and derivatives trading, staking services, and a user-friendly interface suitable for both beginners and experienced traders.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You own and improve the global card issuance process from eligibility and application through creation, activation, provisioning, and servicing. You design reliable mobile features, translate business and regulatory requirements into architecture and delivery plans, use AI coding tools, review code, mentor teammates, and contribute to hiring and engineering practices.
Requirements
- B.S. or M.S. in Computer Science or equivalent practical experience
- Proven experience shipping and operating production-quality mobile applications
- Deep expertise in iOS or Android
- Strong proficiency in Swift, Kotlin, or Rust
- Willingness to learn unfamiliar languages and technology stacks
- Regular use of AI coding tools with measurable impact
- Exceptional ownership and self-direction
- Professional proficiency in English and Mandarin Chinese
Responsibilities
- Own the end-to-end global card issuance process
- Improve the card issuance experience as it expands into new markets
- Translate business, user, payment, and regulatory requirements into architecture and delivery plans
- Own features from discovery through production
- Maintain security, reliability, observability, maintainability, documentation, and test coverage
- Drive ambiguous cross-functional initiatives to completion
- Build with Swift, Kotlin, or Rust
- Use AI coding tools throughout the development lifecycle
- Build and maintain reusable AI workflows, engineering harnesses, and technical knowledge bases
- Review code and mentor teammates
- Contribute to hiring and onboarding
- Improve team practices
Benefits
- L&D programs
- Education subsidy
- Team building programs
- Company events
- Wellness allowances
- Meal allowances
- Comprehensive healthcare schemes for employees and dependants
- Performance bonus
- Long-term incentives
- Medical benefits
- Financial benefits