Senior Mobile Engineer (Card & Payment)

<div data-page-id="HGpydMG7copXARxmdcxlU0hHggd" data-lark-html-role="root" data-docx-has-block-data="false"> <h3 class="heading-3 ace-line old-record-id-T8H5dxcnRodqE8xfvvdlQVKmguc"><strong>Who We Are</strong></h3> <div class="ace-line ace-line old-record-id-OObndQnqAofJoNxWiTRl7dt3gUh">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: <em>We Before Me</em>, <em>Do the Right Thing</em>, and <em>Get Things Done</em>. 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.</div> <h3 class="heading-3 ace-line old-record-id-W5IZdcRXNohDXaxWwzalriL7g5f"><strong>About the Opportunity</strong></h3> <div class="ace-line ace-line old-record-id-ArZVdsd5dosVSVx5kDyl4XAEggd">Our Card and Payment engineering team builds reliable, intuitive experiences at the intersection of cards, payments, crypto, and global financial infrastructure. We partner closely with product, design, backend, risk, compliance, and business teams to make card and payment products accessible to users around the world.</div> <div class="ace-line ace-line old-record-id-DhcYdIYrNowuqLxkzeRlFLGGgGe">As a Senior Mobile Engineer on the Card and Payment team, your primary responsibility will be to own and improve the global card issuance process. You will work mainly with product and engineering partners in the US, while meeting regularly with teams in Asia to understand requirements and align delivery. We are looking for someone who is highly self-driven, takes real ownership, collaborates well, and is eager to learn the card issuing and payment businesses in depth.</div> <h3 class="heading-3 ace-line old-record-id-EvefdqQqSoe8Dbxf2UflYA9NgKe"><strong>What You’ll Be Doing </strong></h3> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-UuZJdS2IzoyGhgx30DglaFNLg6c" data-list="bullet"> <div>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.</div> </li> <li class="ace-line ace-line old-record-id-SUpbdLGbqoQj4CxKEYHlhsvbgYd" data-list="bullet"> <div>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.</div> </li> <li class="ace-line ace-line old-record-id-RvfUdlJycojGU4xZUXxl6eK4gPg" data-list="bullet"> <div>Own features from discovery through production, with a strong focus on security, reliability, observability, maintainability, documentation, and test coverage.</div> </li> <li class="ace-line ace-line old-record-id-E0TAd5zfPoZrD6xmrvqlUV4Qgbf" data-list="bullet"> <div>Drive ambiguous, cross-functional initiatives to completion with a high degree of ownership, self-direction, and sound judgment.</div> </li> <li class="ace-line ace-line old-record-id-U9vbdbdjAoFItsxQ5F8lgnuAgCh" data-list="bullet"> <div>Collaborate primarily with product and engineering teams in the US, while joining regular discussions with Asia teams to discover, clarify, and align requirements.</div> </li> <li class="ace-line ace-line old-record-id-J8ewdAlCaoQAlOxgsDMl4UCvg51" data-list="bullet"> <div>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.</div> </li> <li class="ace-line ace-line old-record-id-L9Madj6s9o1bJVxWjPOlR01Cgob" data-list="bullet"> <div>Use AI coding tools throughout the development lifecycle—from exploration and implementation to testing, review, and documentation—while maintaining strong engineering judgment and accountability.</div> </li> <li class="ace-line ace-line old-record-id-YC2FdqHdioGdiHx3Dk9l2Abzgmh" data-list="bullet"> <div>Build and maintain reusable AI workflows, engineering harnesses, and technical knowledge bases that improve the entire team’s speed and quality.</div> </li> <li class="ace-line ace-line old-record-id-D1dCd4Nc2oCm0wxISzrlv03MgWf" data-list="bullet"> <div>Review code, share context openly, mentor teammates, and make decisions that improve both engineering quality and overall team outcomes.</div> </li> <li class="ace-line ace-line old-record-id-Jd9rdBVDLoqGf6xXyWrlInBVg3X" data-list="bullet"> <div>Contribute to hiring, onboarding, and the continuous improvement of team practices.</div> </li> </ul> <h3 class="heading-3 ace-line old-record-id-DgcMdSpSKoy1bMx9GQOlJ4kdgJg"><strong>What We Look For In You</strong></h3> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-Vs5sd1RTdoqTZxxys9AlHRRkgFm" data-list="bullet"> <div>B.S. or M.S. in Computer Science, or equivalent practical experience.</div> </li> <li class="ace-line ace-line old-record-id-ATBNdvNQNogPF4xC7Q6lJV4ngid" data-list="bullet"> <div>Proven experience shipping and operating production-quality mobile applications, with deep expertise in iOS or Android.</div> </li> <li class="ace-line ace-line old-record-id-ZgIEdtHr6oXBldxKaFIl4stXg7g" data-list="bullet"> <div>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.</div> </li> <li class="ace-line ace-line old-record-id-KkwPddI7ToP7bKxrMhslkvILgfd" data-list="bullet"> <div>Exceptional ownership and self-direction, with the judgment to make pragmatic decisions and drive ambiguous work to completion.</div> </li> <li class="ace-line ace-line old-record-id-YAEBdoqXPo7T0Ixc68olvDvygrg" data-list="bullet"> <div>Demonstrated, regular use of AI coding tools with measurable impact on delivery speed, code quality, or engineering effectiveness.</div> </li> <li class="ace-line ace-line old-record-id-ZZI7dwk16oRQehxQkOQlM3nTgVf" data-list="bullet"> <div>A team-first mindset: you communicate openly, share knowledge, support peers, and align technical decisions around the best outcome for the team and product.</div> </li> <li class="ace-line ace-line old-record-id-GhEmdseKSo9uI8xlbVYlcC1YgLZ" data-list="bullet"> <div>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.</div> </li> </ul> <h3 class="heading-3 ace-line old-record-id-FslGdXrDYoj5k1xCzE8lMY0hgUP"><strong>Nice to Haves</strong></h3> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-Z8bYdsnVjo39HKxWl5qlR0ywgid" data-list="bullet"> <div>Hands-on experience with global card issuance flows, card processing, payments, fintech, crypto, or other high-trust financial products.</div> </li> <li class="ace-line ace-line old-record-id-UUcNdXLoUoQKI3x8PfalhMGSgVh" data-list="bullet"> <div>Experience launching products across multiple countries or regulatory environments.</div> </li> <li class="ace-line ace-line old-record-id-FZRzdo4diokTrDx4m3el1uaggBc" data-list="bullet"> <div>Knowledge of mobile security, payment authentication, risk controls, or transaction lifecycle design.</div> </li> <li class="ace-line ace-line old-record-id-FECOdVEG2oSIyexzqwUlRvvSgNd" data-list="bullet"> <div>Experience improving mobile architecture, shared components, developer tooling, or engineering productivity at team scale.</div> </li> <li class="ace-line ace-line old-record-id-DzFMdMpI9oVat9xmvZklkVcNg2g" data-list="bullet"> <div>Experience mentoring engineers or leading cross-functional technical initiatives.</div> </li> </ul> <div class="ace-line ace-line old-record-id-Ar22dU2mHoapTcxE12rlHadqg4f"><strong>Perks &amp; Benefits </strong></div> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-GUV6dmFkJouTO4xf7fvlFGMrghd" data-list="bullet"> <div>Competitive total compensation package</div> </li> <li class="ace-line ace-line old-record-id-RvqJdp0floKE84xhpLFlnkRigLd" data-list="bullet"> <div>L&amp;D programs and Education subsidy for employees' growth and development</div> </li> <li class="ace-line ace-line old-record-id-ThbidCF2Lo0elpxaDnJlkwyygqh" data-list="bullet"> <div>Various team building programs and company events</div> </li> <li class="ace-line ace-line old-record-id-QoIOd7ZTjoGKe7x4kzplJ4wnggc" data-list="bullet"> <div>Wellness and meal allowances</div> </li> <li class="ace-line ace-line old-record-id-G7CQdy5X8ovIqfxDj3ElmmQTgXf" data-list="bullet"> <div>Comprehensive healthcare schemes for employees and dependants</div> </li> <li class="ace-line ace-line old-record-id-Cx8Gd7rndojigexHGOFligilgn8" data-list="bullet"> <div>More that we love to tell you along the process!</div> </li> </ul> <h3 class="heading-3 ace-line old-record-id-NruJdLzykoaDglxm9ZZl3IvVgYe">OKX Statement</h3> <div class="ace-line ace-line old-record-id-YFPqdk00Lo3RO8x2jWblMJYZgIh">OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.</div> <div class="ace-line ace-line old-record-id-LjTAdGt30obuD6xVjbSlytM7geF">The salary range for this position is $178,888 to $268,333.</div> <div class="ace-line ace-line old-record-id-XZ8bdv4WXoqdYrxGYtEloyY0gjT">The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via OKX internal or external careers site.</div> </div><div class="content-conclusion"><div data-lark-html-role="root"><span class="text-only" data-eleid="18"><span class="text-only"><span class="text-only" data-eleid="6">Notice:<br></span></span></span> <div data-lark-html-role="root"><span class="text-only" data-eleid="26"><span class="text-only">All official </span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">OKX</span><span class="text-only"> vacancies are published on this website.</span></span> <span class="text-only" data-eleid="28"><span class="text-only">While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. </span></span><strong><span class="text-only" data-eleid="29"><span class="text-only">If in doubt, please apply directly through our official careers website.</span></span></strong></div> </div> <div data-lark-html-role="root"><span class="text-only" data-eleid="18"><span class="text-only">Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to&nbsp;</span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">OKX</span><span class="text-only">'s </span></span><a class="link rich-text-anchor __anchor-intercept-flag__ text-content-link" href="https://www.okx.com/en-eu/help/okx-candidate-privacy-notice" target="_blank" data-eleid="19" data-lark-is-custom="true" data-lark-link="true">Candidate Privacy Notice</a><span class="text-only" data-eleid="20"><span class="text-only">.</span></span></div></div>