{"id":4311996,"url":"https://alion.io/job/okx-sr-software-engineer-machine-learning-data-infrastructure","title":"Sr. Software Engineer, Machine Learning & Data Infrastructure","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":87,"open_postings":357,"ghost_share":0.129,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-11-14T05:58:10Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Jose, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":178888,"max":268333,"currency":"USD","period":"year","gross":null,"usd_annual":268333},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Databricks","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Scala","optional":false},{"name":"Spark","optional":false},{"name":"Amazon SageMaker","optional":true},{"name":"Apache Kafka","optional":true},{"name":"Delta Lake","optional":true},{"name":"Feature Store","optional":true},{"name":"Flink","optional":true},{"name":"MLFlow","optional":true},{"name":"ONNX Runtime","optional":true},{"name":"TensorRT","optional":true},{"name":"Triton","optional":true}],"status":"live","first_seen_at":"2026-11-14T05:47:31Z","employer_posted_date":"2026-11-14","last_verified_at":"2026-11-14T12:38:27Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Who We Are\nAt 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.\nAbout the Opportunity\nWe are looking for a seasoned engineer to build and improve the MLand data infrastructure behind our risk and fraudprevention systems. You will work hands-on to move models from experimentation into reliable production services, improve model execution performance, and develop data pipelines that support training, evaluation, and real-time decisions. You will take ownership of your work, identify improvements proactively, and deliver with limited guidance\nWhat You’ll Be Doing\nImprove model inference latency, throughput, resource utilization, and cost. Profile the prediction path-from feature retrieval and preprocessing to model execution-and implement measurable improvements while preserving model quality.\nBuild and maintain infrastructure for model packaging, versioning, deployment, serving, monitoring, and rollbackacross cloud platforms and regions.\nDevelop and optimize offline data pipelines using Databricks, Apache Spark, and warehouse or lakehouse technologies. Address data modeling, partitioning, joins, shuffles, skew, incremental processing, and cost.\nWork on offline and online feature pipelines, supporting point-in-time correctness, consistent feature definitions, freshness, lineage, and reproducible backfills.\nBuild and maintain reliable feature services and data integrations for risk models and decision systems.\nTake ownership of projects and operational issues, communicate progress and tradeoffs, and collaborate with ML, data engineering, cloud infrastructure, security, and product teams.\nContribute to technical discussions, share knowledge, and help teammates through code reviews and collaboration.\nWhat We Look For In You\nExperience building and operating distributed systems, ML infrastructure, or data platforms, with ownership of meaningful production components.\nHands-on experience improving production model performance, such as latency, throughput, resource utilization, or cost.\nStrong experience with Databricks and Spark, or comparable offline data platforms, including execution plans, distributed query optimization, storage layouts, data correctness, and workload cost management.\nExperience with the model lifecycle, including training and serving integration, validation, deployment, observability, and rollback.\nStrong Python and SQLskills, plus proficiency in at least one backend or systems language such as Java, Scala, Go, or C++.\nAbility to work independently through loosely defined problems, make sound implementation decisions, and deliver maintainable systems with limited guidance.\nNice to Haves\nSageMaker, Alibaba Cloud PAI/EAS, or comparable ML platforms.\n\nInference optimization using tools such as ONNX Runtime, TensorRT, or Triton.\n\nDelta Lake, MLflow, feature stores, Kafka, Flink, and low-latency data stores.\n\nFraud detection or financial risk systems.\n\nFluency in Mandarin\n\nPerks & Benefits\nCompetitive total compensation package\n\nL&D programs 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\nOKXStatement:\nOKX 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.\nThe salary range for this position is $178,888 to $268,333\nThe 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.\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":5247,"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","Crypto Exchanges","Crypto Wallets"],"lifecycle":[{"event":"open","at":"2026-11-14T12:38:27Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 4","filings_12m":4,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":182500,"route":null,"cap_exempt":false,"checked_at":"2026-11-14T07:33:33+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":2}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":90,"reasons":["conf:0","win:early","comp:brand"],"computed_at":"2026-11-14T13:36:13Z"},"pay":{"stated_usd_annual":268333,"is_top_pay":true},"html_url":"https://alion.io/job/okx-sr-software-engineer-machine-learning-data-infrastructure","json_url":"https://alion.io/job/okx-sr-software-engineer-machine-learning-data-infrastructure.json","meta":{"generated_at":"2026-11-14T13:36:13Z","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":13963,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"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-sr-software-engineer-machine-learning-data-infrastructure"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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-sr-software-engineer-machine-learning-data-infrastructure"},{"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-sr-software-engineer-machine-learning-data-infrastructure"},{"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-sr-software-engineer-machine-learning-data-infrastructure\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fokx-sr-software-engineer-machine-learning-data-infrastructure"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4311996}},{"tool":"search_jobs","arguments":{"company":"okx.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4311996},"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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