Data Scientist jobs in Chicago hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $198,789/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
paychex.com • HQ: Rochester, United States • Employer of Record & PEO • HR & Payroll Software • Payroll Services • 1001-5000 employees • Est. 1971 • NASDAQ: PAYX • Trust B • Hiring 390, 42 new
HQ: Rochester, United States • Employer of Record & PEO • HR & Payroll Software • Payroll Services • 1001-5000 employees • Est. 1971 • NASDAQ: PAYX • Trust B • Hiring 390, 42 new
Headquartered in Rochester, New York, Paychex is a leading provider of integrated human capital management solutions for payroll, human resources, employee benefits, and insurance services. The company offers technology-enabled software platforms and personalized consulting to streamline workforce administration, tax compliance, and talent management for small to medium-sized businesses. Serving hundreds of thousands of corporate clients across North America and Europe, the organization helps employers manage their workforce efficiently throughout the entire employee lifecycle.
headlandstech.com • HQ: New York, United States • Online Brokerage & Trading Platforms • Hedge Funds & Alternative Investments • 51-200 employees • Est. 2015 • Trust B • Hiring 7
HQ: New York, United States • Online Brokerage & Trading Platforms • Hedge Funds & Alternative Investments • 51-200 employees • Est. 2015 • Trust B • Hiring 7
Headlands Technologies is a New York quantitative trading firm founded in 2015 that builds its own low-latency systems. Its engineers and researchers develop the pricing models and execution infrastructure used to make markets across asset classes. The company operates trading technology offices in several financial centres.
transmarketgroup.com • HQ: Chicago, United States • Online Brokerage & Trading Platforms • Hedge Funds & Alternative Investments • 51-200 employees • Est. 1980 • Trust B • Hiring 7
HQ: Chicago, United States • Online Brokerage & Trading Platforms • Hedge Funds & Alternative Investments • 51-200 employees • Est. 1980 • Trust B • Hiring 7
0 GLOBAL PROPRIETARY TRADING About Us Founded in 1980 as Aardvark Financial, TransMarket Group ("TMG") is a privately held global markets proprietary trading firm. We trade successfully by using the unique talents we have been blessed with.
okta.com • HQ: San Francisco, United States • E-learning • Cybersecurity • Identity Management • 1001-5000 employees • Est. 2009 • Trust A • Hiring 372, 22 new
HQ: San Francisco, United States • E-learning • Cybersecurity • Identity Management • 1001-5000 employees • Est. 2009 • Trust A • Hiring 372, 22 new
Okta is an American identity company founded in 2009 that manages who can log in to what across an organisation's applications, and it built its position by being neutral between the cloud vendors rather than tied to any one of them. Its workforce identity products handle single sign-on, multi-factor authentication and lifecycle management for employees, while Auth0, acquired in 2021, provides the same capability for developers building customer-facing applications. Headquartered in San Francisco and listed on Nasdaq, it suffered a serious support-system breach in 2023 that put its own security practices under scrutiny in a category built entirely on trust.
$160k – $220k per year • Senior • 4+ years exp • In office (Bellevue, New York, San Francisco, Chicago, Washington, United States) • Nationals only • Senior
united.com • HQ: Chicago, United States • Commercial Aviation • Air Transport • 501-1000 employees • Est. 1926 • Trust A • Hiring 81, 9 new
HQ: Chicago, United States • Commercial Aviation • Air Transport • 501-1000 employees • Est. 1926 • Trust A • Hiring 81, 9 new
United Airlines is a major American passenger and cargo airline headquartered in Chicago, Illinois, operating an extensive domestic and international route network to destinations on six continents. It runs hubs including Chicago, Denver, Houston, Newark, San Francisco, Los Angeles and Washington, provides regional service through United Express partner carriers, and was one of the five founding members of the Star Alliance, with a technology and business services centre in Gurgaon, India. It hires aircraft maintenance supervisors, ramp and customer service staff, flight operations analysts, IT developers and architects, DevOps and AI engineers, and interns.
radixtrading.com • HQ: Chicago, United States • Hedge Funds & Alternative Investments • Trust B • Hiring 7
HQ: Chicago, United States • Hedge Funds & Alternative Investments • Trust B • Hiring 7
Radix Trading is a quantitative trading firm that describes itself as a research firm powered by technology. It hires quantitative researchers and quantitative technologists, including FPGA, DevOps, systems and C++ engineers, across Chicago, New York and Amsterdam. The company is headquartered in Chicago, Illinois, United States.
aquatic.com • HQ: Chicago, United States • Research Institutes • 51-200 employees • Trust C • Hiring 12, 1 new
HQ: Chicago, United States • Research Institutes • 51-200 employees • Trust C • Hiring 12, 1 new
Creating a Leading-Edge Research & Development Company. Driven by a passion for applied scientific research and a deep commitment to a culture of innovation, Jonathan Graham founded Aquatic to provide a home for exceptional talent.
permute.ai • HQ: Chicago, United States • Data Engineering & Migration Services • AI Agents • Startup • Hiring 4
HQ: Chicago, United States • Data Engineering & Migration Services • AI Agents • Startup • Hiring 4
Permute integrates your data, gives AI the right business context, and helps you control data access. Build trusted reporting, analytics, and AI agents.
cgsfederal.com • HQ: Washington, United States • Intelligence • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Est. 2017 • Trust D • Hiring 1044
HQ: Washington, United States • Intelligence • IT Consulting & Digital Transformation • Digital Government • 5000+ employees • Est. 2017 • Trust D • Hiring 1044
Contact Government Services (CGS) is a federal government contractor based in the United States that provides IT infrastructure, software development, cloud, data processing, eDiscovery, legal document review, consulting and staffing services to government agencies. Its current work includes intelligence and mission support contracts for defense customers, with postings in locations such as Arlington, Virginia, and Fort Liberty, North Carolina. Its openings are mostly for HUMINT and OSINT analysts, intelligence collection managers, targeting specialists, foreign disclosure representatives, financial investigators, paralegals and billing staff.
tavernresearch.com • HQ: Chicago, United States • Market Research • 11-50 employees • Est. 2024 • Startup • Hiring 4
HQ: Chicago, United States • Market Research • 11-50 employees • Est. 2024 • Startup • Hiring 4
Tavern Research specializes in opinion research, AI-powered content creation, message testing, and strategic insights to inform campaigns and influence public opinion effectively.
accordion.sg • HQ: New York, United States • Management Consulting • Financial Advisory, Valuation & Restructuring • 501-1000 employees • Trust A • Hiring 44, 1 new
HQ: New York, United States • Management Consulting • Financial Advisory, Valuation & Restructuring • 501-1000 employees • Trust A • Hiring 44, 1 new
Accordion is a New York-headquartered financial consulting firm that works with private equity sponsors and the CFOs of their portfolio companies on finance transformation, data and analytics, CFO technology and AI. Backed by private equity investors, it employs more than 1,600 finance and technology specialists across 11 offices worldwide and advises portfolio companies in sectors such as retail, consumer goods, healthcare, media, technology and logistics. Its openings range from associates to directors and vice presidents in finance transformation, working capital, data architecture, CPM and ERP systems, AI solutions, Salesforce alliances and AI product management.
≈ $114k – $207k per year (Estimated) • Senior • 5+ years exp • New York • San Francisco • Los Angeles • Chicago • Atlanta • Remote (United States) • Bachelor's Degree • Senior
drivewealth.com • HQ: Chatham, New York, United States • Online Brokerage & Trading Platforms • Financial Software & Embedded Finance • 201-500 employees • Est. 2012 • Trust A • Hiring 20, 4 new
HQ: Chatham, New York, United States • Online Brokerage & Trading Platforms • Financial Software & Embedded Finance • 201-500 employees • Est. 2012 • Trust A • Hiring 20, 4 new
DriveWealth provides brokerage infrastructure that lets partners embed investing into their apps. Its API supports fractional share trading, account opening and clearing across borders. Banks and fintech firms worldwide use it to offer United States equities.
point72.com • HQ: Stamford, United States • Venture Capital • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 2014 • Trust B • Hiring 174, 7 new
HQ: Stamford, United States • Venture Capital • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 2014 • Trust B • Hiring 174, 7 new
Point72 is an American investment firm founded in 2014 when Steven Cohen converted his former hedge fund SAC Capital into a family office, before reopening to outside capital in 2018. It runs a multi-strategy business dominated by discretionary long and short equity teams organised as independent portfolio managers, alongside macro, systematic and quantitative strategies that rely heavily on alternative data and machine learning. Headquartered in Stamford, Connecticut with offices across North America, Europe and Asia, it also operates Point72 Ventures as a venture capital arm and runs a well-known academy programme that trains analysts from outside finance.
doordash.com • HQ: San Francisco, United States • Marketplaces • Delivery • 5000+ employees • Est. 2013 • NASDAQ: DASH • Trust B • Hiring 379, 27 new
HQ: San Francisco, United States • Marketplaces • Delivery • 5000+ employees • Est. 2013 • NASDAQ: DASH • Trust B • Hiring 379, 27 new
DoorDash is an American delivery company founded in 2013 that started with restaurant orders in suburban markets the incumbents had ignored, and now holds the largest share of United States food delivery. It has extended the same courier network into grocery, convenience, alcohol and retail delivery, sells a white-label fulfilment service to merchants who want deliveries from their own apps, and operates an advertising business selling placement to restaurants and brands. Headquartered in San Francisco and listed on Nasdaq, it acquired the European platform Deliveroo and the hospitality software firm SevenRooms in 2025.
$124k – $183k per year • Equity • Senior • 2+ years exp • In office (San Francisco, New York, Los Angeles, Chicago, Washington, United States) • PhD • Senior
mavensecurities.com • HQ: London, United Kingdom • Hedge Funds & Alternative Investments • Online Brokerage & Trading Platforms • Trust C • Hiring 32
HQ: London, United Kingdom • Hedge Funds & Alternative Investments • Online Brokerage & Trading Platforms • Trust C • Hiring 32
Maven Securities is a proprietary trading firm deploying its own capital across discretionary, systematic and market-making strategies in global listed derivatives. It hires traders, compliance analysts and technology staff and runs spring week programs, with offices in London, Chicago, Hong Kong and Amsterdam. The firm is headquartered in London, United Kingdom.
perscholas.org • HQ: New York, United States • Nonprofits & Foundations • IT Training & Certification • 51-200 employees • Est. 1995 • Trust B • Hiring 32, 2 new
HQ: New York, United States • Nonprofits & Foundations • IT Training & Certification • 51-200 employees • Est. 1995 • Trust B • Hiring 32, 2 new
Per Scholas is a US non-profit headquartered in the Bronx, New York, that provides no-cost technology training in IT support, cybersecurity, cloud, data engineering and software engineering and connects graduates with employers. Founded in 1995 to refurbish computers in the Bronx, it now runs campuses in more than 20 cities plus national remote programmes, has trained over 30,000 people, works with more than 850 employer partners and sells talent solutions to companies. It hires technical and cybersecurity instructors, recruitment and admissions staff, talent solutions and business development managers, compliance and government contracts managers and regional managing directors.
worldquant.com • HQ: Old Greenwich, United States • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 2007 • Trust B • Hiring 84
HQ: Old Greenwich, United States • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 2007 • Trust B • Hiring 84
Headquartered in Old Greenwich, Connecticut, WorldQuant is a global quantitative investment management firm and hedge fund. The company develops and deploys systematic trading strategies, predictive algorithmic signals ("alphas"), and data-driven portfolio management models across global equity and financial markets. By combining advanced machine learning, massive financial datasets, and a distributed international network of quantitative researchers, it systematically identifies market inefficiencies to generate consistent, risk-adjusted investment returns.
