Job Description
Role Overview:
Citadel Securities is seeking an exceptional Platform Engineer to join our Research Platform Engineering team in Miami
Zurich or New York. Our Research Platform teams are at the forefront of designing and developing the distributed
systems data platforms and research infrastructure that power large-scale simulations analytics and model
development across the firm. These systems are critical in allowing researchers to transform data into actionable insights
and alpha-generating trading strategies.
Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel please share your details and we will contact you if there is a vacancy available.
Responsibilities:
- Design and build distributed platforms and services that support quantitative research simulations AI-powered applications and large-scale analytics workflows
- Develop scalable platform services and data systems for ingestion transformation storage and lifecycle management of large datasets
- Build and maintain backend services APIs and SDKs that improve researcher productivity and self-service capabilities
- Improve performance reliability and scalability of critical research systems operating in high-throughput environments
- Collaborate closely with researchers and engineers to translate research requirements into production-read systems
Qualifications:
- Bachelor's degree in Computer Science or a related field
- 3+ years of professional software engineering experience
- Strong programming skills in Python Go or C++ or similar systems-oriented languages
- Experience building and operating distributed systems in production environments
- Experience designing scalable backend services APIs and data-intensive applications
- Strong understanding of distributed systems data-intensive applications and system design fundamentals
- Experience with cloud platforms (AWS GCP Azure) and modern infrastructure technologies
- Experience with technologies such as Kafka Kubernetes Spark Airflow distributed databases or similar systems is a plus
In accordance with applicable law the base salary range for this role is $175000 to $350000.
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.
About Citadel Securities
Citadel Securities is a technology-driven next-generation global market maker. We provide institutional and retail investors with world-class liquidity competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers traders and researchers harness leading-edge quantitative research and the accelerating power of compute machine learning and AI to power our analytics and tackle the market's and our clients' most critical challenges. Together we are forging the future of capital markets. For more information visit citadelsecurities.com .
Skills Required
- Bachelor's degree in Computer Science or a related field
- 3+ years of professional software engineering experience
- Strong programming skills in Python Go or C++ (or similar systems-oriented languages)
- Experience building and operating distributed systems in production environments
- Experience designing scalable backend services APIs and data-intensive applications
- Strong understanding of distributed systems data-intensive applications and system design fundamentals
- Experience with cloud platforms (AWS GCP Azure) and modern infrastructure technologies
- Experience with technologies such as Kafka Kubernetes Spark Airflow distributed databases or similar systems
What the Team is Saying
What We Do
Citadel Securities is a technology-driven next-generation global market maker. We provide institutional and retail investors with world-class liquidity competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers traders and researchers harness leading-edge quantitative research and the accelerating power of compute machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together we are forging the future of capital markets.
Why Work With Us
We do not accept the status quo and we are constantly looking to achieve what others think is impossible. That’s true not just in our careers but also in our communities.
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Date Posted
07/01/2026
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