{"id":1643606,"url":"https://alion.io/job/aqr-capital-management-data-scientist-machine-learning","title":"Data Scientist, Machine Learning","company":{"id":58438,"name":"AQR Capital Management","domain":"aqr.com","url":"https://alion.io/company/aqr-capital-management","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":70,"open_postings":28,"ghost_share":0.5,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Greenwich, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Knowledge Graph","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"NumPy","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Amazon S3","optional":true},{"name":"AWS","optional":true},{"name":"AWS Bedrock","optional":true},{"name":"Claude Code","optional":true},{"name":"PyTorch","optional":true},{"name":"Scikit-learn","optional":true}],"status":"live","first_seen_at":"2026-08-31T13:48:47Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-10-13T14:01:27Z","board_verified":true,"closed_at":null,"days_open":43,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":42},"description":"About AQR Capital Management\nAQR is a global investment management firm built at the intersection of financial theory and practical application. We strive to deliver superior, long-term results for our clients by seeking to filter out market noise to identify and isolate what matters most, and by developing ideas that stand up to rigorous testing. Underpinning this philosophy is an unrelenting commitment to excellence in technology - powering our insights and analysis. This unique combination has made us leaders in alternative and traditional strategies since 1998.\nAQR takes a systematic, research-driven approach, applying quantitative tools to process fundamental information and manage risk. Our clients include institutional investors, such as pension funds, insurance companies, endowments, foundations and sovereign wealth funds, as well as financial advisors.\nYour Role:\nYou will serve as a bridge between data engineering and quantitative research. Working directly with researchers, you will also be responsible for ensuring research datasets are accurate, traceable, and ready for machine learning by developing robust data preparation and quality workflows. Your responsibility is to deliver clean, reliable, project-specific datasets and features to the researcher. \nWhat You'll Do:\nPartner directly with quantitative researchers to understand the needs of a specific machine learning project and collaboratively produce data that best fits the model and project\nTransform raw structured and unstructured data into project-specific, research-ready datasets\nPerform feature generation and deliver prepared datasets and features to the researcher for modeling and productionization\nResolve tagging, entity-matching, and linkage issues across signals, textual data, and securities\nBuild data quality assurance, quality monitoring, and profiling workflows through programmatic checks, LLM reviews where appropriate, targeted manual inspection, and feedback-driven iterative refinement\nBuild point-in-time mappings and knowledge graphs for mergers and acquisitions, bankruptcies, IPOs, and other corporate events\nExamine and onboard alternative datasets\nEnsure datasets are clean, traceable, and reliable for trading strategies\nWork across different researchers and potentially concurrent projects as priorities and the scope of the role evolve\nCommunicate clearly with researchers and engineering partners\nWhat You'll Bring:\n4+ years of relevant work experience\nStrong Python programming skills, including hands-on experience with pandas and NumPy\nStrong SQL skills and practical experience with PostgreSQL\nExperience working with both structured data and unstructured or textual data\nExperience with data quality, validation, monitoring, and profiling\nExperience with Git, PyTest, CI/CD, and API development\nAbility to reason carefully through edge cases, protect data integrity, and maintain clear documentation of data definitions, transformations, and quality checks\nAbility to work independently, communicate clearly with technical and non-technical stakeholders, and manage work across multiple concurrent initiatives\nStrong visualization skills\nPreferred Qualifications:\nExperience with scikit-learn, statistics, or advanced modeling techniques\nExperience with entity resolution, entity matching, or knowledge graphs\nExperience designing prompts and using LLM APIs for batched or large-scale investigation, validation, feature generation, and iterative refinement\nExperience building LLM-based featurization workflows, including iterative refinement, validation, and automated testing\nExperience with Claude Code, Codex, or AWS Bedrock\nExperience with AWS, including S3 and Batch\nExperience with distributed computing and large-scale data processing\nExposure to data governance, data cataloging, or related best practices\nStrong Math and statistics skills\nExperience with Pytorch\nPrior experience in financial services, trading, quantitative research, or another research-driven environment\n Who You Are:\nRigorous, thorough, and highly attentive to detail\nCollaborative and able to communicate effectively with researchers and engineering partners\nComfortable working in an evolving role and taking on a broad range of responsibilities\nAQR is an Equal Opportunity Employer. EEO/VET/DISABILITY\nThe salary range for this role is expected to be $180,000 to $200,000. This is the range that we in good faith believe is accurate for this role at the time of this posting. We may ultimately pay more or less than the posted range, depending upon factors such as skills, experience, location, or other business and organizational needs. This wage range may also be modified in the future.\nThis job is also eligible for an annual discretionary bonus.\nWe offer comprehensive package of benefits including paid time off, medical/dental/vision insurance, 401(k), and any other benefits to eligible employees.\nNote: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.","description_format":"text","description_chars":5336,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Asset Management & Funds","Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-01T22:43:15Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 42 · green card filings: 10","filings_12m":42,"filings_prev_12m":33,"green_card_filings_12m":10,"median_offered_wage_usd":178846,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":1}],"liveness":{"score":26,"band":"fade","label":"Fading","p_open":1,"p_active":0.48,"p_room":0.55,"age_days":42,"expected_fill_days":30,"reasons":["conf:2","stale_co","velocity","win:tail"],"computed_at":"2026-10-13T05:45:00Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":true},"html_url":"https://alion.io/job/aqr-capital-management-data-scientist-machine-learning","json_url":"https://alion.io/job/aqr-capital-management-data-scientist-machine-learning.json","meta":{"generated_at":"2026-10-13T16:05:55Z","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":24467,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":58438},"rest":"https://alion.io/mcp/rest/get_company?id=58438"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faqr-capital-management-data-scientist-machine-learning"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Faqr-capital-management-data-scientist-machine-learning"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Faqr-capital-management-data-scientist-machine-learning"},{"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/aqr-capital-management-data-scientist-machine-learning\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faqr-capital-management-data-scientist-machine-learning"}]}