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Rust Quant Jobs in Florida (NOW HIRING)

Citadel

Software Engineer in Test (SDET)

Miami, FL · On-site

$175K - $350K/yr

Rust/Go or FP exposure (Haskell/OCaml); contract testing (Pact) and propertybased testing ... Our teams of engineers, traders and researchers harness leading-edge quantitative research and the ...

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Rust Quant information

What is a Rust Quant?

A Rust Quant is a quantitative analyst or developer who specializes in using the Rust programming language to build financial models, trading algorithms, or risk management systems. Rust is valued in quantitative finance for its high performance, memory safety, and concurrency support, making it suitable for processing large volumes of financial data. Rust Quants typically work in hedge funds, investment banks, or fintech companies, where they design and implement efficient, reliable software to support trading and analytics. Their work often involves collaborating with data scientists, traders, and other engineers.

How does a Rust Quant typically collaborate with other teams within a financial institution?

A Rust Quant often works closely with traders, data engineers, and risk analysts to develop and optimize quantitative models and trading algorithms. Collaboration involves translating financial strategies into efficient, production-ready Rust code, and ensuring that the models integrate seamlessly with existing systems. Regular communication is essential to clarify requirements, troubleshoot issues, and continuously improve performance. This cross-functional teamwork provides valuable exposure to different aspects of quantitative finance and fosters professional growth.

What are the key skills and qualifications needed to thrive as a Rust Quant, and why are they important?

To thrive as a Rust Quant, you need a strong background in quantitative finance, advanced mathematics, and proficiency in the Rust programming language, often supported by degrees in math, physics, or computer science. Experience with statistical modeling libraries, version control systems like Git, and knowledge of financial data APIs are typically required. Analytical thinking, problem-solving abilities, and effective communication set top candidates apart in this role. These skills are crucial for developing reliable, high-performance trading algorithms and collaborating with interdisciplinary teams in fast-paced financial environments.

What is the difference between Rust Quant vs Quant Analyst?

AspectRust QuantQuant Analyst
Required CredentialsStrong programming skills, often with C++, Python, and Rust; advanced degrees in math, finance, or computer scienceDegree in finance, economics, or mathematics; certifications like CFA or FRM are common
Work EnvironmentTypically in tech-driven finance firms, hedge funds, or proprietary trading firms; focus on coding and model developmentUsually in investment banks, asset management firms, or hedge funds; focus on market analysis and strategy
Employer & Industry UsageUsed in quantitative trading, risk management, and algorithm developmentUsed in investment analysis, portfolio management, and risk assessment

Rust Quants focus on developing and implementing trading algorithms using programming skills, especially in Rust and related languages. Quant Analysts often analyze markets and develop financial models, with less emphasis on coding. While both roles require strong quantitative skills, Rust Quants are more technical and programming-oriented, whereas Quant Analysts focus more on financial analysis and strategy.

What are popular job titles related to Rust Quant jobs in Florida? For Rust Quant jobs in Florida, the most frequently searched job titles are:
What job categories do people searching Rust Quant jobs in Florida look for? The top searched job categories for Rust Quant jobs in Florida are:
What cities in Florida are hiring for Rust Quant jobs? Cities in Florida with the most Rust Quant job openings:
Rust Quant jobs near you
Software Engineer in Test (SDET)

Software Engineer in Test (SDET)

Citadel

Miami, FL • On-site

$175K - $350K/yr

Other

Medical, Life, Retirement

Posted 13 days ago

Key responsibilities

  • Build test harnesses that simulate client, exchange, and order management system order lifecycle workflows across equities cash and options.

  • Author automated tests and grow CI/CD quality gates, making runs deterministic via golden traces, pcaps, and time control.

  • Design performance and latency test rigs with reproducible results and automatic regression gates in CI.

Job description

Job Description
Role Overview:
The Client Platform technology team builds and evolves the core platform that powers Citadel Securities' client-facing businesses. This platform serves as a critical foundation supporting connectivity, order management, and analytics across multiple asset classes.
We are embarking on a multi-year strategic effort to modernize the platform's infrastructure. As a Software Engineer in Test, you'll contribute to this transformation by building Pythonfirst frameworks and C++adjacent hooks to verify distributed systems correctness, accelerate CI/CD, and protect latencysensitive releases across equities (cash/options) and beyond.
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:
  • Build test harnesses that simulate client/exchange and OMS order lifecycle workflows across equities cash and options
  • Author automated tests (unit/integration/contract/perf) and grow CI/CD quality gates; make runs deterministic via golden traces/pcaps and time control
  • Design performance/latency test rigs (P50/P99.9, jitter, GC/allocator impact) with reproducible results and automatic regressions gates in CI
  • Create contract tests and service virtualization (exchange simulators, marketdata replayers) to decouple teams and speed releases
  • Develop failuremode/chaos scenarios (disconnects, throttling, slow consumers, sequence resets, clock skew, backpressure)
  • Drive crossrepo test architecture/refactors (shared fixtures, contracts, pipelines) to improve coverage and reliability
  • Partner with development, SRE, and the trading desk to define and automate endtoend scenarios that verify system correctness and business workflows
Qualifications:
  • Proven ownership mindset: comfortable debugging unfamiliar systems, writing docs, and driving crossteam initiatives
  • Expert Python for productiongrade automation
  • Ability to read/modify C++ test code and hook Python harnesses into C++ components
  • Strong Linux and networking fundamentals (TCP/UDP, sockets, pcap/Wireshark)
  • CI/CD experience (Jenkins/GitHub Actions, Git, CMake); containerized, reproducible test environments
  • Handson design of performance/reliability tests (latency, throughput, backpressure) and flakytest triage
  • Excellent communication and documentation skills
Nice to have
  • FIX engine experience (QuickFIX or proprietary), exchange simulators, OMS/EMS flows, DMA/algos, drop copy
  • Observability for tests (Prometheus/Grafana/Jaeger/Tempo; log correlation)
  • Data & infra: kdb+/q, Kafka, lowlatency instrumentation
  • Rust/Go or FP exposure (Haskell/OCaml); contract testing (Pact) and propertybased testing (Hypothesis)
  • Prior experience in financial systems or largescale distributed environments

In accordance with applicable law, the base salary range for this role is $175,000 to $350,000.
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.
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 .

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