Sr. Software Engineer, Machine Learning & Data Infrastructure

<div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxuseysYUio6Qia64JLLAwE7dh"> <div data-page-id="doxusokjWsaOkSCIjzixAfRM3sd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxusaUYeCmu82WSkkm5KDd00db"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxuseysYUio6Qia64JLLAwE7dh"> <div data-page-id="doxusokjWsaOkSCIjzixAfRM3sd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxusaUYeCmu82WSkkm5KDd00db"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxuseysYUio6Qia64JLLAwE7dh"> <div data-page-id="doxusokjWsaOkSCIjzixAfRM3sd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxusaUYeCmu82WSkkm5KDd00db"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxuseysYUio6Qia64JLLAwE7dh"> <div data-page-id="doxusokjWsaOkSCIjzixAfRM3sd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxusaUYeCmu82WSkkm5KDd00db"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxuseysYUio6Qia64JLLAwE7dh"> <div data-page-id="doxusokjWsaOkSCIjzixAfRM3sd" data-docx-has-block-data="false"> <div class="ace-line ace-line old-record-id-doxusaUYeCmu82WSkkm5KDd00db"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <div data-page-id="AEW3d0Y2noLuIcxROuFubTLpsZd" data-docx-has-block-data="false"> <h2 class="heading-2 ace-line old-record-id-doxlgi7FyistIlaN3rUs7YDQxmf"><strong>Who We Are</strong></h2> <div class="ace-line ace-line old-record-id-doxlgWQdxH2pcomHIO5BiZC2OIf">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.</div> <h2 class="heading-2 ace-line old-record-id-doxlgrPmDd66244T5nhjwdXWJHh"><strong>About the Opportunity</strong></h2> <div class="ace-line ace-line old-record-id-ZyMcdteh3oRtiXx4HMSlM2Bjglf"> <div data-lark-html-role="root"> <div class="rich-text-paragraph" data-eleid="19"><span class="text-only" data-eleid="20"><span class="text-only">We are looking for a seasoned engineer to build and improve the </span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">ML</span><span class="text-only"> and data </span></span><span class="text-only" data-eleid="22"><span class="text-only">infrastructure behind our risk and </span><span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">fraud</span><span class="text-only"> prevention systems. You will work </span></span><span class="text-only" data-eleid="24"><span class="text-only">hands-on to move models from experimentation into reliable production services, </span></span><span class="text-only" data-eleid="26"><span class="text-only">improve model execution performance, and develop data pipelines that support </span></span><span class="text-only" data-eleid="28"><span class="text-only">training, evaluation, and real-time decisions. You will take ownership of your </span></span><span class="text-only" data-eleid="30"><span class="text-only">work, identify improvements proactively, and deliver with limited guidance</span></span></div> </div> </div> <h2 class="heading-2 ace-line old-record-id-doxlgOCn9LN8kn5FL0kRPOzOcgb"><strong>What You’ll Be Doing </strong></h2> <div data-lark-html-role="root"> <div class="rich-text-paragraph" data-eleid="34"> <ul> <li><span class="text-only" data-eleid="35"><span class="text-only">Improve model inference latency, throughput, resource utilization, and cost. </span></span>Profile the prediction path—from feature retrieval and preprocessing to model execution—and implement measurable improvements while preserving model quality.</li> <li>Build and maintain infrastructure for model packaging, versioning, deployment, serving, monitoring, and&nbsp;<span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">rollback</span><span class="text-only"> across cloud platforms and regions.</span></li> <li>Develop and optimize offline data pipelines using Databricks, Apache <span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">Spark</span><span class="text-only">, and </span>warehouse or lakehouse technologies. Address data modeling, partitioning, joins, shuffles, skew, incremental processing, and cost.</li> <li>Work on offline and online feature pipelines, supporting point-in-time correctness, consistent feature definitions, freshness, lineage, and reproducible backfills.</li> <li>Build and maintain reliable feature services and data integrations for risk models and decision systems.</li> <li>Take ownership of projects and operational issues, communicate progress and tradeoffs, and collaborate with ML, data engineering, cloud infrastructure, security, and product teams.</li> <li>Contribute to technical discussions, share knowledge, and help teammates through code reviews and collaboration.</li> </ul> </div> </div> <div class="ace-line ace-line old-record-id-doxlgKIaH2uIFTfF5YVHiYGFZnf">&nbsp;</div> <h2 class="heading-2 ace-line old-record-id-doxlgkhKdh5WINFTfunamfzh84c"><strong>What We Look For In You </strong></h2> <div data-lark-html-role="root"> <div class="rich-text-paragraph" data-eleid="73"> <ul> <li><span class="text-only" data-eleid="74"><span class="text-only">Experience building and operating distributed systems, ML infrastructure, or </span></span>data platforms, with ownership of meaningful production components.</li> <li>Hands-on experience improving production model performance, such as latency, throughput, resource utilization, or cost.</li> <li>Strong experience with Databricks and Spark, or comparable offline data platforms, including execution plans, distributed query optimization, storage layouts, data correctness, and workload cost management.</li> <li>Experience with the model lifecycle, including training and serving integration, validation, deployment, observability, and rollback.</li> <li>Strong Python and&nbsp;<span class="text-only text-with-abbreviation text-with-abbreviation-bottomline">SQL</span><span class="text-only"> skills, plus proficiency in at least one backend or </span>systems language such as Java, Scala, Go, or C++.</li> <li>Ability to work independently through loosely defined problems, make sound implementation decisions, and deliver maintainable systems with limited guidance.</li> </ul> </div> </div> <div class="ace-line ace-line old-record-id-WoSwdJQtfoj1ddxJ11mluMvagqf">&nbsp;</div> <h2 class="heading-2 ace-line old-record-id-I2o6d1B07oaOozxQOIJlP9JfgNh"><strong>Nice to Haves</strong></h2> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-WS5ZduVE1o8ESNxcpyUlgFC2gOc" data-list="bullet"> <div>SageMaker, Alibaba Cloud PAI/EAS, or comparable ML platforms.</div> </li> <li class="ace-line ace-line old-record-id-BFMAdYymkoBO88xYmVilkWDXgoh" data-list="bullet"> <div>Inference optimization using tools such as ONNX Runtime, TensorRT, or Triton.</div> </li> <li class="ace-line ace-line old-record-id-DdeTdII4Mo2ftnxQIKnl9aM1g6d" data-list="bullet"> <div>Delta Lake, MLflow, feature stores, Kafka, Flink, and low-latency data stores.</div> </li> <li class="ace-line ace-line old-record-id-V3nFdp8BDoWhIYxL1cEla25SgXW" data-list="bullet"> <div>Fraud detection or financial risk systems.</div> </li> <li class="ace-line ace-line old-record-id-T3iFdlcpHoPEp1xUw4glpDZ5g2d" data-list="bullet"> <div>Fluency in Mandarin</div> </li> </ul> <div class="ace-line ace-line old-record-id-doxlgR6RYWVAz2BFnoFDkTAD7Rj">&nbsp;</div> <h2 class="heading-2 ace-line old-record-id-doxlgZF51RuWkkzvuZKmdoHl2Eg"><strong>Perks &amp; Benefits </strong></h2> <ul class="list-bullet1"> <li class="ace-line ace-line old-record-id-UEjMd1j75oYjmHxq2p3lDnh9g4f" data-list="bullet"> <div>Competitive total compensation package</div> </li> <li class="ace-line ace-line old-record-id-LJA8dxtz9osFglxBb9rljNltgPd" data-list="bullet"> <div>L&amp;D programs for employees' growth and development</div> </li> <li class="ace-line ace-line old-record-id-D8sVd6K5top29Hx4fAWlSc4Sgqc" data-list="bullet"> <div>Various team building programs and company events</div> </li> <li class="ace-line ace-line old-record-id-Xqrmdlbieo5Z9Sxuy3jliqfyg3g" data-list="bullet"> <div>Wellness and meal allowances</div> </li> <li class="ace-line ace-line old-record-id-AlYodjQWFo1nDyxx7XUlwadlg3K" data-list="bullet"> <div>Comprehensive healthcare schemes for employees and dependants</div> </li> <li class="ace-line ace-line old-record-id-doxlgHJyaPw64bcPAZjbuZJBIDp" data-list="bullet"> <div>More that we love to tell you along the process!</div> </li> </ul> <div class="ace-line ace-line old-record-id-doxlg1zXixXvW9OruN2CqPcbkyd">&nbsp;</div> <div class="ace-line ace-line old-record-id-EDUJdTRsgoqSW4xMBsSljrlWgwg"><strong>OKX</strong><strong> Statement:</strong></div> <div class="ace-line ace-line old-record-id-WD4jdUrpsoPRr9xheU8lcyk2g5g">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-XDNmdPyyIoPxDbxkvp8lzM39gyf">&nbsp;</div> <div class="ace-line ace-line old-record-id-KErudNva1o8Z76xhrsRlf84qgIf">The salary range for this position is $178,888 to $268,333</div> <div class="ace-line ace-line old-record-id-FI2SdVptVoeclGxkz8klEcL2g5o">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.<br><br><br><span style="color: rgb(255, 255, 255);">#LI-SK1</span><br><span style="color: rgb(255, 255, 255);">#LI-HYBRID</span></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </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>