Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 7
1,900 Total Employees
Year Founded: 2002
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Articles about Citadel Securities

Featured Articles

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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.

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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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

Recently posted jobs

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Citadel Securities

Software Engineer in Test (SDET)

YesterdaySaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services
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.
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Citadel Securities

Quantitative Research Engineer - PhD Intern (US)

2 Days AgoSaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services
As a PhD Intern, you will design, develop, and implement software solutions for automated trading systems, collaborating with quantitative researchers.
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Citadel Securities

Senior Platform Infrastructure Engineer

2 Days AgoSaved
In-Office
New York, NY, USA
Information Technology • Software • Financial Services
The Senior Platform Infrastructure Engineer will design and maintain crucial infrastructure software, collaborate with teams globally, troubleshoot issues, and improve SDLC processes.
see all jobs at Citadel Securities