{"id":3611412,"url":"https://alion.io/job/okx-seniorstaff-engineer-blockchain-parsing","title":"Senior/Staff Engineer - Blockchain Parsing","company":{"id":76,"name":"OKX","domain":"okx.com","url":"https://alion.io/company/okx","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":338,"ghost_share":0.112,"stale_share":0.003,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Web3","role_family":"Web3","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hong Kong"],"countries":["HK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"Cosmos","optional":false},{"name":"DeFi","optional":false},{"name":"ElasticSearch","optional":false},{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Move","optional":false},{"name":"MySQL","optional":false},{"name":"Redis","optional":false}],"status":"live","first_seen_at":"2026-11-02T11:46:48Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-11T23:37:11Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":8},"description":"Who We Are\nAt OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.\nOKX 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.\nAcross 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 Wallet, OKLink and more.\nAbout the Opportunity\nThe work of the blockchain parsing team involves structuring on-chain data. This means taking all the raw data from the blockchain and, through business modeling, computation, transformation, and other operations, converting it into the data required by various business applications (such as wallets, explorers, CeFi, etc.). This process involves parsing on-chain data from hundreds of blockchains with different architectures, including EVM, UTXO, Cosmos, Move, and more, as well as scheduling these operations. It also encompasses the management of complete historical data for each blockchain, reaching the scale of petabytes (PB) of data.\nWhat You’ll Be Doing\nResponsible for researching various blockchain architectures and on-chain data parsing.\nMaintain good communication with the team, provide rational suggestions for requirements, and ensure the development work progresses smoothly as planned; ensure the system meets performance, scalability, and security requirements.\nResponsible for database design, system design, API interface design, and external system integration.\nTroubleshoot and resolve issues across the entire pipeline; optimize and improve the availability and capacity of online services, and handle unexpected online issues.\nSelling point of the team\nGain exposure to the latest public blockchain technologies in the industry.\nWork with and manage the largest volume of on-chain data in the industry, which involves hundreds of blockchains.\nOur team is a core part of the company’s infrastructure. You’ll gain insight into how complex foundational services are built to support multiple business lines, including wallets, DeFi, CeFi, explorers, and tracking tools. Our approach is innovative and leading in the industry.\nWhat We Look For In You\nSolid foundation in Java, with extensive experience in Java multithreading, concurrency, and network communication, and good coding practices.\nFamiliar with common open-source projects or middleware (at least one or two), with source code experience being a plus, such as Kafka, RocketMQ, GRPC, Dubbo, Redis, MySQL, Elasticsearch (ES), caching mechanisms, Spring/SpringBoot, etc.\nProficient in mainstream open-source application frameworks such as SpringBoot, SpringMVC, MyBatis, SpringCloud, etc.\nExperience in developing and designing large-scale data platforms.\nStrong learning ability, teamwork, and communication skills; proactive in thinking and capable of independent analysis and problem-solving.\nUnderstanding of Web3, public blockchain business, and technology; relevant work experience is a plus.\nStrong sense of responsibility, ownership mindset, and an exploratory spirit.\nPerks & Benefits\nCompetitive total compensation package\n\nL&D programs and Education subsidy for employees' growth and development\n\nVarious team building programs and company events\n\nWellness and meal allowances \n\nComprehensive healthcare schemes for employees and dependants \n\nMore that we love to tell you along the process!\n\nNotice:\nAll official OKXvacancies are published on this website.While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.\nInformation collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.","description_format":"text","description_chars":4302,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Company events"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Cryptocurrencies","Web3 & dApps","Crypto Wallets"],"lifecycle":[{"event":"open","at":"2026-11-02T14:29:29Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":8,"expected_fill_days":90,"reasons":["conf:2","velocity","win:early","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":null,"html_url":"https://alion.io/job/okx-seniorstaff-engineer-blockchain-parsing","json_url":"https://alion.io/job/okx-seniorstaff-engineer-blockchain-parsing.json","meta":{"generated_at":"2026-11-12T04:46:56Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10423,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":76},"rest":"https://alion.io/mcp/rest/get_company?id=76"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fokx-seniorstaff-engineer-blockchain-parsing"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fokx-seniorstaff-engineer-blockchain-parsing"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fokx-seniorstaff-engineer-blockchain-parsing"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/okx-seniorstaff-engineer-blockchain-parsing\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fokx-seniorstaff-engineer-blockchain-parsing"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3611412}},{"tool":"search_jobs","arguments":{"company":"okx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3611412},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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