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Information Technology • Software • Financial Services
The Market Data Software Engineer will design, build, and optimize systems for processing real-time market data, focusing on performance, reliability, and system integration.
Top Skills:
C++Linux
Information Technology • Software • Financial Services
As a Software Engineering Intern, you will develop platforms and build web frameworks, working with senior team members on trading technologies.
Top Skills:
Distributed ComputingMachine LearningNatural Language ProcessingProgramming
Information Technology • Software • Financial Services
Manage the algo product roadmap for US equity trading, collaborate with multiple teams to deliver algos and features, and analyze trading performance.
Top Skills:
KdbPythonQSQLTableau
Job Description
Team Overview:
CitadelX is a group of elite engineers who partner with different areas across the firm to address their most pressing challenges. Scalable infrastructure, massive data sets, low-latency computing-the solutions and systems we build are essential to generating revenue and keeping Citadel at the front of the financial pack.
Role Overview:
At Citadel, Production Engineers play a vital role in building, operating, and evolving the high-performance systems that power our investment strategies worldwide. We design and maintain resilient, scalable, and latency-sensitive infrastructure that enables our researchers and investment professionals to pursue ideas at speed and scale.
Production Engineers at Citadel have deep technical expertise - they continuously refine and optimize systems, automate wherever possible, and apply creativity to develop robust solutions to evolving challenges.
We believe in empowering engineering teams to own the performance and reliability of their systems in production. In this role, you'll collaborate closely with developers and engineers, shaping system design with scalability and resiliency in mind. You'll share responsibility for diagnosing, resolving, and preventing issues in production-ensuring that Citadel's infrastructure remains a competitive advantage in global markets.
Primary Responsibilities:
We are looking to addto our current production engineeringteam in London and NY. In this role you will have the opportunity to:
In accordance with applicable law, the base salary range for this role is $150,000 to $300,000.
In addition, the employee who fills this role will be eligible to participate in a discretionary incentive compensation program, as well as a wide array of benefit programs, such as medical and life insurance, retirement and tax-free savings plans, and access to other healthcare programs.
Required Skills
Qualifications:
Education:
About Citadel Securities
Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market's most critical challenges, turning big ideas into real-world outcomes.
Team Overview:
CitadelX is a group of elite engineers who partner with different areas across the firm to address their most pressing challenges. Scalable infrastructure, massive data sets, low-latency computing-the solutions and systems we build are essential to generating revenue and keeping Citadel at the front of the financial pack.
Role Overview:
At Citadel, Production Engineers play a vital role in building, operating, and evolving the high-performance systems that power our investment strategies worldwide. We design and maintain resilient, scalable, and latency-sensitive infrastructure that enables our researchers and investment professionals to pursue ideas at speed and scale.
Production Engineers at Citadel have deep technical expertise - they continuously refine and optimize systems, automate wherever possible, and apply creativity to develop robust solutions to evolving challenges.
We believe in empowering engineering teams to own the performance and reliability of their systems in production. In this role, you'll collaborate closely with developers and engineers, shaping system design with scalability and resiliency in mind. You'll share responsibility for diagnosing, resolving, and preventing issues in production-ensuring that Citadel's infrastructure remains a competitive advantage in global markets.
Primary Responsibilities:
We are looking to addto our current production engineeringteam in London and NY. In this role you will have the opportunity to:
- Build, operate, and maintain critical production infrastructure that supports trading and research systems.
- Partner with engineering teams to design systems that are scalable, resilient, and observable from the ground up.
- Troubleshoot complex issues across the technology stack-application, systems, networks, and storage-under time-sensitive conditions.
- Develop automation to reduce manual effort, improve reliability, and accelerate incident response and recovery.
- Continuously monitor performance, reliability, and capacity, proactively identifying opportunities for improvement.
- Establish best practices for deployment, change management, incident management, and operational excellence.
In accordance with applicable law, the base salary range for this role is $150,000 to $300,000.
In addition, the employee who fills this role will be eligible to participate in a discretionary incentive compensation program, as well as a wide array of benefit programs, such as medical and life insurance, retirement and tax-free savings plans, and access to other healthcare programs.
Required Skills
Qualifications:
- Experience with Linux systems, shell scripting
- Experience with Kubernetes, cloud-based infrastructure, distributed systems, and large-scale infrastructure management
- Experience with Java (JVM, Heap management)
- Experience with databases such as Postgres
- Proficiency in at least one programming language (e.g., Python, Java) and strong scripting skills. Familiarity with Q/KDB a plus
- Experience with monitoring, logging, and automation frameworks.
- Ability to analyze complex systems, identify failure modes, and design solutions that improve resiliency.
- Strong problem-solving skills, with the ability to perform under pressure in mission-critical environments.
- Excellent communication and collaboration skills, with the ability to influence and partner effectively across teams.
- Prior experience in low-latency, high-performance, or financial technology environments is a plus.
- Experience with Front-End technologies (React, Javascript) - a plus!
Education:
- Bachelor's degree
About Citadel Securities
Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market's most critical challenges, turning big ideas into real-world outcomes.
Citadel Securities New York, New York, USA Office
350 Park Avenue, New York, NY, United States, 10022
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