Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 3
1,900 Total Employees
Year Founded: 2002

Articles about Citadel Securities

Featured Articles

Photo: Citadel Securities
Olivia McClure Olivia McClure
Published on September 25, 2025

How Citadel Securities' Early Careers Technology Program Unlocks Growth, Impact and Career Paths

Learn how the program at the market maker allows early-career technologists to jumpstart their professional growth journeys and make an immediate impact.

Olivia McClure Olivia McClure
Updated on December 31, 2025

Engineering the Future: Inside Citadel Securities’ Early Adoption of C++26

Technical Fellow Herb Sutter explains how the newest version of C++ is driving efficiency, reliability and resiliency in global trading.

Citadel
Cathleen Draper Cathleen Draper
Updated on April 10, 2025

32 NYC Companies to Watch This Spring

What makes these NYC tech companies stand out from the crowd? Built In NYC highlights the perks and culture of 32 flourishing companies this spring.

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All Articles

Olivia McClure Olivia McClure
Updated on September 25, 2025

How Citadel Securities' Early Careers Technology Program Unlocks Growth, Impact and Career Paths

Learn how the program at the market maker allows early-career technologists to jumpstart their professional growth journeys and make an immediate impact.

Photo: Citadel Securities
Brand Studio Logo
Cathleen Draper Cathleen Draper
Updated on April 10, 2025

32 NYC Companies to Watch This Spring

What makes these NYC tech companies stand out from the crowd? Built In NYC highlights the perks and culture of 32 flourishing companies this spring.

Article image
Brand Studio Logo
Olivia McClure Olivia McClure
Updated on December 31, 2025

Engineering the Future: Inside Citadel Securities’ Early Adoption of C++26

Technical Fellow Herb Sutter explains how the newest version of C++ is driving efficiency, reliability and resiliency in global trading.

Citadel
YesterdaySaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
The Senior Software Engineer will design, build, and maintain high-performance data services, ensure production reliability, and collaborate with stakeholders to meet data needs.
YesterdaySaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services • Quantitative Trading
As a Software Engineer in Test, you'll build Python frameworks and C++ hooks to verify system correctness, accelerate CI/CD, and manage performance testing across equities.
2 Days AgoSaved
In-Office
3 Locations
Information Technology • Software • Financial Services • Quantitative Trading
Join an analyst program providing training and mentorship to support Fixed Income Sales. Assist with voice and electronic trade execution, deliver market color and trade ideas, collaborate with trading and internal teams, and help drive client acquisition and business analysis to strengthen client relationships.