Principal Engineer, Agent Infrastructure & Memory Architecture at OKX

<h2 class="heading-2 ace-line old-record-id-doxusd6NtLTrM8e4ysmP03OKuHd"><strong>Who We Are</strong></h2> <p>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:&nbsp;<em>We Before Me</em>,&nbsp;<em>Do the Right Thing</em>, and&nbsp;<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.</p> <h2 class="heading-2 ace-line old-record-id-doxusl417D129Ked7hp9WBVv9lg"><strong>About the Opportunity</strong></h2> <div data-page-id="YnvfdojQpornTcxhh7FlZ37ugze" data-lark-html-role="root" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-Foo4dvQATotKkuxbUEglUO6sg2J"> <p data-start="170" data-end="482">We are seeking an&nbsp;<strong>AI Infrastructure Engineer</strong>&nbsp;to design and build the foundational systems that power next-generation AI agents. This role sits at the intersection of research and production engineering, focusing on scalable&nbsp;<strong>long-term memory</strong>,&nbsp;<strong>knowledge graph infrastructure</strong>, and robust&nbsp;<strong>context management systems</strong>.</p> <p data-start="484" data-end="704">You will transform cutting-edge research concepts (e.g., Context Graphs, GraphRAG, agent memory architectures) into auditable, maintainable, and production-grade infrastructure that enables reliable, stateful AI systems.</p> <p data-start="484" data-end="704">&nbsp;</p> </div> </div> <h2 class="heading-2 ace-line old-record-id-doxusI2RkaIWtuQsGjyJjA6hybg"><strong>What You’ll Be Doing&nbsp;</strong></h2> <div data-page-id="YnvfdojQpornTcxhh7FlZ37ugze" data-lark-html-role="root" data-docx-has-block-data="false"> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-JLKOdU6cwoyIjbxLKZxlEttugxc" data-list="bullet"> <div><strong data-start="114" data-end="187">Architect and implement long-term memory infrastructure for AI agents</strong>, including auditable, versioned, and rollback-capable middleware that supports persistent, stateful reasoning.</div> </li> <li class="ace-line ace-line old-record-id-AFvSdoB44oXpewxukzelPublgCe" data-list="bullet"><strong data-start="302" data-end="370">Design and own end-to-end GraphRAG and knowledge graph pipelines</strong>, from ingestion and schema design to graph indexing, retrieval optimization, and integration with LLM-based reasoning systems.</li> <li class="ace-line ace-line old-record-id-JXHrdNTcUoZBvWxvj1HlVENig3d" data-list="bullet"><strong data-start="501" data-end="553">Build scalable context management infrastructure</strong>, elevating context from prompt-level techniques to structured, maintainable systems such as Context Graphs that enable long-horizon and cross-session reasoning.</li> <li class="ace-line ace-line old-record-id-WnzhdfL28oLSntxM2KilxZrBgCg" data-list="bullet"><strong data-start="718" data-end="785">Translate advanced agent research into production-grade systems</strong>, prototyping emerging architectures and establishing best practices for memory, retrieval, and infrastructure reliability.</li> <li class="ace-line ace-line old-record-id-PKU2dkSMhoPMEuxuUiclXKKAgmg" data-list="bullet"><strong data-start="912" data-end="989">Ensure reliability, observability, and governance of agent infrastructure</strong>, including traceable memory operations, evaluation frameworks, and safeguards against drift and degradation.</li> </ul> </div> <h2 class="heading-2 ace-line old-record-id-doxusA9TF9jUkqvydDVZ26era1g"><strong>What We Look For In You&nbsp;</strong></h2> <div data-page-id="YnvfdojQpornTcxhh7FlZ37ugze" data-lark-html-role="root" data-docx-has-block-data="false"> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-KJNudcXf2oSMFRxU5dUl5tcxgsf" data-list="bullet"> <div data-page-id="YnvfdojQpornTcxhh7FlZ37ugze" data-lark-html-role="root" data-docx-has-block-data="false"> <p>PhD or Master's in Computer Science, AI, Machine Learning, Robotics or related field with at least&nbsp;<strong>10 years of industry experience</strong>.</p> </div> </li> <li class="ace-line ace-line old-record-id-KJNudcXf2oSMFRxU5dUl5tcxgsf" data-list="bullet"> <div>Possess a deep expertise in at least one of the following areas:&nbsp;<strong>long-term memory</strong>,&nbsp;<strong>knowledge graphs</strong>, or&nbsp;<strong>context management</strong>.</div> </li> </ul> </div> <h2 class="heading-2 ace-line old-record-id-doxusvnFLHEcrU3EZSqi1qdAlRh"><strong>Nice to Haves</strong></h2> <div data-page-id="YnvfdojQpornTcxhh7FlZ37ugze" data-lark-html-role="root" data-docx-has-block-data="false"> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-VoBZdvOhNomtYkxWILjl8wUVgQ1" data-list="bullet"> <div>Experience in top-tier AI labs or Tech industry leaders</div> </li> <li class="ace-line ace-line old-record-id-Q4K1dT1Ynof7ttxDIHVln7Wjg1c" data-list="bullet"> <div>Experience in high-frequency trading, fintech, Web3, or crypto platforms is a strong advantage</div> </li> <li class="ace-line ace-line old-record-id-OIrUdcJaCo83dfx32OflI47Sgnc" data-list="bullet"> <div>Startups or research-intensive environments preferred; must be comfortable operating with ambiguity and speed</div> </li> </ul> </div> <h2 class="heading-2 ace-line old-record-id-doxusXHTxE1ng5NXSR8cKaY4vhf"><strong>Perks &amp; Benefits</strong></h2> <ul> <li>Competitive total compensation package</li> <li>L&amp;D programs and Education subsidy for employees' growth and development</li> <li>Various team building programs and company events</li> <li>Wellness and meal allowances</li> <li>Comprehensive healthcare schemes for employees and dependants</li> <li>More that we love to tell you along the process!</li> </ul> <p><br><em><span class="text-only text-font-italic" data-eleid="32"><span class="text-only">Please note that Hong Kong is a group-level service hub, and&nbsp;</span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">OKX</span><span class="text-only">&nbsp;does not carry on a business of operating a virtual asset trading platform in Hong Kong.</span></span></em><br><br><br></p><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>