Principal/Senior Software Engineer, Mobile, CEX

<div class="ace-line ace-line old-record-id-doxus3bYvV5DS6icDHnquWbEcNb"> <div class="ace-line ace-line old-record-id-doxus3bYvV5DS6icDHnquWbEcNb">OKX will be prioritising applicants who have a current right to work in Hong Kong, and do not require OKX's sponsorship of a visa.</div> <div class="ace-line ace-line old-record-id-doxussQumjJyp0pDHcFh7Y3bH0b">&nbsp;</div> <div data-page-id="OvVyd3xPZo5hNhxbppju7P8isgg" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-Avh0dL0UvoHyoFxymwmuPqtAsWe"> <div data-page-id="PNNZdiw4Yo1ZOmx8btbucw8qsLG" data-lark-html-role="root" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-SeyrdixubojqOkxotwguoGKpsN2"> <h2 class="heading-2 ace-line old-record-id-doxusl2cgB8vs7Q3ent4HKPgocd"><strong>Who We Are</strong></h2> <div data-page-id="Kpucdjv7JoAcSZxSf7PuRl5Yscb" data-lark-html-role="root" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.</div> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">&nbsp;</div> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">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.&nbsp;</div> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">&nbsp;</div> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">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.</div> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">&nbsp;</div> <div class="ace-line ace-line old-record-id-Cfb8dvi9voxFkWxhNcmuJX50sZb">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.<br><br></div> </div> <div data-page-id="OvVyd3xPZo5hNhxbppju7P8isgg" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-CzjQdI1IWofbWMxmIahu6dAMsjc"> <div data-page-id="Q5McdBHqRos9a1xglGGuWZx7sgc" data-docx-has-block-data="false"> <h2 class="heading-2 ace-line old-record-id-doxusl2cgB8vs7Q3ent4HKPgocd"><strong>About The Team</strong></h2> <div class="ace-line ace-line old-record-id-doxusJZ5t4Jnk2dRFRKdHIJXMmb"> <div data-lark-html-role="root"><span class="text-only" data-eleid="5"><span class="text-only">The CEX Trading Mobile Team sits at the heart of </span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">OKX</span><span class="text-only">'s flagship exchange product, owning the trading experience for millions of users worldwide. We build and scale the real-time market data infrastructure that powers the OKX App — from live quotes and K-line charting to the full suite of trading scenarios that traders rely on every day. As a team, we care deeply about engineering quality: we hold high standards for technical architecture, move fast without cutting corners on stability or performance, and invest consistently in growing our craft through knowledge-sharing and technical training. We're now at an exciting inflection point, actively integrating AI into our product and engineering workflows — exploring how large language models, on-device inference, and intelligent agents can reshape the trading experience. If you're energized by solving hard technical problems at scale, working in a fast-moving market that never sleeps, and driving real innovation in one of the world's leading crypto platforms, this is the team to be on.</span></span></div> <div data-lark-html-role="root">&nbsp;</div> </div> <h2 class="heading-2 ace-line old-record-id-doxusl2cgB8vs7Q3ent4HKPgocd"><strong>What You'll Be Doing</strong></h2> <ul> <li> <div data-lark-html-role="root"><span class="text-only" data-eleid="6"><span class="text-only">Owning the technical design and delivery of trading market data features for the </span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">OKX</span><span class="text-only"> App — including real-time quotes, K-line charts, and related scenarios: Leading the team through product development, optimization, and ongoing maintenance.</span></span></div> </li> <li> <div data-lark-html-role="root"><span class="text-only">Participate in product requirement discussions, define well-reasoned technical solutions, and safeguard product performance, stability, and user experience.</span></div> </li> <li> <div data-lark-html-role="root"><span class="text-only">Stay deeply informed on industry trends, continuously refine the technical architecture, and drive the growth of the team's engineering capabilities.</span></div> </li> <li> <div data-lark-html-role="root"><span class="text-only">Organize and take part in technical training and knowledge-sharing sessions to elevate the team's overall technical proficiency.</span></div> </li> <li> <div data-lark-html-role="root"><span class="text-only">Coordinate cross-functional resources to keep projects on track and on quality, ensuring smooth, high-quality feature launches.</span></div> </li> <li> <div data-lark-html-role="root"><span class="text-only">Continuously improve the user experience, performance, and architecture of the modules under your ownership.</span></div> </li> <li> <div data-lark-html-role="root"><span class="text-only">Lead the team in exploring the integration of AI into business scenarios, driving product and technology innovation.</span></div> </li> </ul> <p>&nbsp;</p> <h2 class="heading-2 ace-line old-record-id-doxusJHbXag5ngXLLiXggj1zhBg"><strong>What We Look For In You</strong></h2> <div data-page-id="R1MMdOP7Jor8rJxZjvEuEmM9s6b" data-docx-has-block-data="false"> <div data-page-id="EJEWdyXsfojXT9xHKfDuSPpSswb" data-docx-has-block-data="false"> <div data-page-id="IwA0dvhKMo2zqdxUm6sux6uxsbb" data-lark-html-role="root" data-docx-has-block-data="false"> <ul> <li> <div data-lark-html-role="root"><strong><span class="text-only" data-eleid="9"><span class="text-only">Hands-on AI engineering/pipeline development experience</span></span></strong><span class="text-only" data-eleid="10"><span class="text-only"> — Solid understanding of </span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">LLM</span><span class="text-only"> fundamentals, Prompt Engineering, RAG, and core Agent concepts; proven practical experience delivering AI engineering solutions, including building complete AI workflows/pipelines from the ground up.</span></span></div> </li> <li> <div data-lark-html-role="root"><strong><span class="text-only" data-eleid="12"><span class="text-only">Track record of leading mid-to-large-scale projects end-to-end</span></span></strong><span class="text-only" data-eleid="13"><span class="text-only"> — High standards for technical architecture and engineering quality.</span></span></div> </li> <li> <div data-lark-html-role="root"><strong><span class="text-only" data-eleid="15"><span class="text-only">Trading business background</span></span></strong><span class="text-only" data-eleid="16"><span class="text-only"> — Client-side development experience at a crypto exchange, brokerage, or fintech app; familiarity with core domains such as order matching, market data display, and asset management.</span></span></div> </li> </ul> <p>&nbsp;</p> </div> </div> </div> <h2 class="heading-2 ace-line old-record-id-doxusKUjfoqh7QZ5RVAXhjX7gig"><strong>Nice-To-Haves</strong></h2> <div data-page-id="EJEWdyXsfojXT9xHKfDuSPpSswb" data-docx-has-block-data="false"> <div data-page-id="IwA0dvhKMo2zqdxUm6sux6uxsbb" data-lark-html-role="root" data-docx-has-block-data="false"> <div data-page-id="IwA0dvhKMo2zqdxUm6sux6uxsbb" data-lark-html-role="root" data-docx-has-block-data="false"> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-U5bfdzzYRoDOB4xXi1KusWRLsch" data-list="bullet"> <div data-lark-html-role="root"><strong><span class="text-only" data-eleid="21"><span class="text-only">Native iOS or Android development background</span></span></strong><span class="text-only" data-eleid="22"><span class="text-only"> — Solid mobile engineering foundation with knowledge of mainstream platform architecture, performance optimization, and release processes.</span></span></div> </li> <li class="ace-line ace-line old-record-id-U5bfdzzYRoDOB4xXi1KusWRLsch" data-list="bullet"> <div data-lark-html-role="root"><strong><span class="text-only" data-eleid="24"><span class="text-only">Client-side team management experience</span></span></strong><span class="text-only" data-eleid="25"><span class="text-only"> — Has led a client-side team of 5 or more; capable of mentoring, cross-team collaboration, and technical review.</span></span></div> </li> <li class="ace-line ace-line old-record-id-U5bfdzzYRoDOB4xXi1KusWRLsch" data-list="bullet"> <div data-lark-html-role="root"><strong><span class="text-only" data-eleid="27"><span class="text-only">On-device AI or cross-platform experience</span></span></strong><span class="text-only" data-eleid="28"><span class="text-only"> — involve on-device AI inference, multimodal client features, or cross-platform architecture with Flutter / React Native.</span></span></div> </li> </ul> <p>&nbsp;</p> </div> </div> </div> </div> </div> <div class="ace-line ace-line old-record-id-Avh0dL0UvoHyoFxymwmuPqtAsWe"> <h2 class="heading-2 ace-line old-record-id-doxusxvzyTH4iZpRPTygm6sKzcf"><strong>Perks &amp; Benefits</strong></h2> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-doxus9Bu8Z2VOqDK5F51723OA8g" data-list="bullet"> <div>Competitive total compensation package</div> </li> <li class="ace-line ace-line old-record-id-doxusB7tdGuv2SmCPjgmCN3Jb1c" 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-doxusZTvzFyB7VKd89mBtiKL9ob" data-list="bullet"> <div>Various team building programs and company events</div> </li> <li class="ace-line ace-line old-record-id-doxus4VLa66AV1kBqr1XQp7CFec" data-list="bullet"> <div>Wellness and meal allowances</div> </li> <li class="ace-line ace-line old-record-id-doxusktLuOm7fBzEDlSg6b719qf" data-list="bullet"> <div>Comprehensive healthcare schemes for employees and dependants</div> </li> <li class="ace-line ace-line old-record-id-doxusXaQ6LYBcrJKsuq40ykOyNr" data-list="bullet"> <div>More that we love to tell you along the process!</div> </li> </ul> </div> </div> </div> <div class="ace-line ace-line old-record-id-SeyrdixubojqOkxotwguoGKpsN2"> <div data-page-id="PNNZdiw4Yo1ZOmx8btbucw8qsLG" data-lark-html-role="root" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-SeyrdixubojqOkxotwguoGKpsN2"><em>Please note that Hong Kong is a group-level service hub, and </em><em>OKX</em><em> does not carry on</em><em> a business of</em><em> operating a virtual asset trading platform in Hong Kong.</em></div> </div> </div> </div> </div> </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>