Wait, What Do You Do?

<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="font-claude-response-body break-words whitespace-normal"><strong>Who We Are</strong></h2> <p class="font-claude-response-body break-words whitespace-normal">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: We Before Me, Do the Right Thing, and Get Things Done. 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 Pay, OKX Wallet, OKLink and more.</p> <h2 class="font-claude-response-body break-words whitespace-normal"><strong>Responsibilities</strong></h2> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Platform Architecture:</strong> Own the architecture, development, and optimization of our big data platform, supporting large-scale collection, processing, and analysis of on-chain data, trading behavior, and user profiles.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>On-Chain Data Pipelines:</strong> Design and build real-time/batch data pipelines for on-chain data — blockchain transactions, smart contract events, wallet address behavior.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Data Warehouse & Lake:</strong> Build and maintain the data warehouse/lake, define data-layering standards, and ensure data quality, consistency, and timeliness.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>AI-Driven Data Applications:</strong> Combine big data with LLM capabilities to build intelligent applications — on-chain anomaly/fraud detection, smart risk models, user behavior prediction, and natural-language data querying (Text2SQL).</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>AI Infrastructure:</strong> Build data infrastructure for AI use cases — vector databases, feature platforms, and Embedding pipelines supporting RAG retrieval and Agent data supply.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Cross-Team Collaboration:</strong> Partner with Algorithm/AI teams on large-scale data processing and pipelines for model training data and feature engineering; partner with Product, Risk, and Growth teams on data needs for trading analytics, anti-fraud, growth, and operations.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Performance & Reliability:</strong> Optimize performance and resource efficiency of big data jobs, ensuring stability and SLAs on core pipelines.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Technical Direction:</strong> Track industry developments in big data, Web3 data infrastructure, and AI, driving technology selection and architecture evolution.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Global Collaboration:</strong> Communicate and document in English with overseas colleagues and partners (exchanges, public chain teams, etc.).</li> </ul> <h2 class="font-claude-response-body break-words whitespace-normal"><strong>Requirements</strong></h2> <h4 class="font-claude-response-body break-words whitespace-normal"><em>Big Data Engineering</em></h4> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Bachelor's degree or above in Computer Science, Software Engineering, or related field; 7+ years of big data development experience.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Proficiency with Hadoop, Spark, and Flink, with experience building batch/real-time data warehouses.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Familiarity with Hive, Kafka, HBase, ClickHouse, and Doris, with large-scale cluster tuning experience.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Strong big data development skills in Java/Scala/Python, with solid SQL tuning ability.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience with data governance, data quality monitoring, or metadata management is a plus.</li> </ul> <h4 class="font-claude-response-body break-words whitespace-normal"><em>AI Capabilities</em></h4> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Understanding of LLM fundamentals and application patterns, with hands-on experience in prompt engineering and RAG.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience with vector databases (e.g. Milvus, Pinecone, Weaviate, pgvector) or Embedding data processing.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Familiarity with emerging AI application architectures such as AI Agents or MCP (Model Context Protocol) is a plus.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience connecting big data platforms with AI/ML training and inference pipelines (e.g. feature platforms, real-time feature serving).</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience using LLMs to accelerate data engineering (automated data quality checks, intelligent ETL generation, Text2SQL) is a plus.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Basic ML/deep learning knowledge and ability to collaborate effectively with algorithm teams is a plus.</li> </ul> <h4 class="font-claude-response-body break-words whitespace-normal"><em>Web3 Industry Knowledge</em></h4> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Understanding of blockchain fundamentals (account model/UTXO, consensus mechanisms, gas mechanics).</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Understanding of on-chain data structures for major public chains (Ethereum, BSC, Solana, Bitcoin, etc.) — blocks, transactions, event logs, token transfers (ERC-20/ERC-721).</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience with on-chain data collection/parsing is a plus — e.g. building or integrating with The Graph, Dune, Etherscan API, or node RPCs.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Understanding of DeFi, NFT, or cross-chain bridge business models and their data characteristics is a plus.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Data engineering experience at an exchange, wallet, DeFi protocol, or on-chain analytics company is a plus.</li> </ul> <h4 class="font-claude-response-body break-words whitespace-normal"><em>Language & Soft Skills</em></h4> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Fluent English reading/writing; able to independently read English technical documentation (e.g. Ethereum Yellow Paper, RFCs/EIPs, AI papers) and write technical proposals and weekly reports in English.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Able to communicate in English with overseas teams, communities, or partners, with strong cross-cultural communication skills.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Clear logical thinking, strong problem decomposition and troubleshooting ability, and a strong appetite for learning new AI technology.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Strong team player, able to deliver consistently in a fast-paced, high-uncertainty Web3 environment.</li> </ul> <h2 class="font-claude-response-body break-words whitespace-normal"><strong>Nice-to-Haves</strong></h2> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Basic smart contract knowledge (Solidity); able to read contract code logic.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Contribution experience in open-source big data / blockchain data / AI infrastructure projects.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Relevant technical certifications (e.g. AWS/GCP big data or AI certifications).</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience using AI coding agents (e.g. Claude Code) to improve data engineering efficiency.</li> </ul> <h2 class="font-claude-response-body break-words whitespace-normal"><strong>Perks & Benefits</strong></h2> <ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Competitive total compensation</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Comprehensive insurance coverage for employees and their dependants</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">More that we love to tell you along the process!</li> </ul> </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 </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>

Staff/Senior Staff Web3 Big Data Engineer