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Who We Are
Overview
Our Culture
Leadership Team
Civic Leadership
Office Locations
What We Do
Overview
Equities
Overview
Designated Market Maker
Options
Fixed Income & FX
What is a Market Maker?
Corporate Solutions
News & Insights
Overview
In the Media
Market Insights
Policy Positions
Careers
Overview
Markets & Trading
Quantitative Research
Engineering
Internships
Programs & Events
Overview
Conference Travel Grant
Datathons
Discover Citadel Securities
Citadel Securities Quant Invitational
Ignite Women's Trading Program
PhD Summit
Terminal
Trading Invitational
Campus Sponsorships
Career Perspectives
Open Opportunities
Overview
Positions for Professionals
Positions for Students:
Internships
Full Time
Engineering
A Day with Ryan, a Quantitative Developer Intern at Citadel Securities
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What We Look for in Experienced Engineers
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What to Expect at an Engineering Onsite
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Experienced Professionals: Engineering Interview Process
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How C++26 Helps Prevent Performance Regressions in Low Latency Systems
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How C++26 Contracts Improve Correctness Without Sacrificing Performance
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