San Jose, California, United States•San Jose, United States (US)
Remote
Senior
Full Time
about 24 hours ago
💰$178,888 - $268,333
mobileseniorswiftkotlinrustai toolscard paymentscrypto
Requirements
- •B.S. or M.S. in Computer Science, or equivalent practical experience.
- •Proven experience shipping and operating production-quality mobile applications, with deep expertise in iOS or Android.
- •Strong proficiency in at least one of Swift, Kotlin, or Rust, with a demonstrated willingness to learn and contribute in unfamiliar languages and technology stacks.
- •Exceptional ownership and self-direction, with the judgment to make pragmatic decisions and drive ambiguous work to completion.
- •Demonstrated, regular use of AI coding tools with measurable impact on delivery speed, code quality, or engineering effectiveness.
- •A team-first mindset: you communicate openly, share knowledge, support peers, and align technical decisions around the best outcome for the team and product.
- •Genuine curiosity about card issuing and payment businesses, plus the ability to communicate technical decisions clearly with partners across the US and Asia.
- •Professional proficiency in English and Mandarin Chinese is required.
What You'll Do
- •Own the end-to-end global card issuance process—from eligibility and application through card creation, activation, provisioning, and lifecycle servicing—and improve the experience as OKX expands into new markets.
- •Learn the card issuing and payment domains deeply, and translate business, user, payment, and regulatory requirements into sound architecture, clear trade-offs, and executable delivery plans.
- •Own features from discovery through production, with a strong focus on security, reliability, observability, maintainability, documentation, and test coverage.
- •Drive ambiguous, cross-functional initiatives to completion with a high degree of ownership, self-direction, and sound judgment.
- •Collaborate primarily with product and engineering teams in the US, while joining regular discussions with Asia teams to discover, clarify, and align requirements.
- •Build with Swift, Kotlin, or Rust depending on the problem, and actively learn and adopt new languages, platforms, and tools rather than being limited to a single technology stack.
- •Use AI coding tools throughout the development lifecycle—from exploration and implementation to testing, review, and documentation—while maintaining strong engineering judgment and accountability.
- •Build and maintain reusable AI workflows, engineering harnesses, and technical knowledge bases that improve the entire team’s speed and quality.
- •Review code, share context openly, mentor teammates, and make decisions that improve both engineering quality and overall team outcomes.
- •Contribute to hiring, onboarding, and the continuous improvement of team practices.
Nice to Have
- •Hands-on experience with global card issuance flows, card processing, payments, fintech, crypto, or other high-trust financial products.
- •Experience launching products across multiple countries or regulatory environments.
- •Knowledge of mobile security, payment authentication, risk controls, or transaction lifecycle design.
- •Experience improving mobile architecture, shared components, developer tooling, or engineering productivity at team scale.
- •Experience mentoring engineers or leading cross-functional technical initiatives.
Benefits
- •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!
About OKX
OKX is the second largest global crypto exchange by trading volume and a leading Web3 ecosystem.
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