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Chicago Financial Search, Inc.

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Sr. Quant Developer

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Summary

Senior quant developer, onsite in Chicago, translating pricing, volatility, and interest-rate models into fast, concurrent numerical systems for high-speed trading. Day to day: architecture, multithreaded performance tuning (memory/cache optimization), CMake builds, deployment, and production troubleshooting alongside quant traders and researchers.

Sr. Quant Developer

Chicago – Onsite

About The Role:

We are seeking a Senior Software Engineer to develop high-performance, concurrent numerical systems for high-speed trading applications. Working closely with traders and quantitative researchers, you will translate pricing, volatility, and interest-rate models into reliable, optimized production software. This hands-on role involves system architecture, performance optimization, deployment, and troubleshooting in a fast-paced, collaborative trading environment.

What You’ll Do:

  • Implement pricing, volatility, and interest-rate models into fast, reliable, production-ready systems.
  • Design and optimize multithreaded, multicore applications with efficient concurrency and synchronization. Optimize numerical computations for high throughput and low latency.
  • Apply memory management, cache optimization, and performance-tuning techniques.
  • Make practical architecture and engineering decisions within hardware and resource constraints.
  • Own the full development lifecycle, including builds, testing, deployment, and integration.
  • Debug and support production systems, ensuring data accuracy and reliability.
  • Collaborate with quantitative traders and researchers to improve performance and optimize model implementations.

What We’re Looking For:

  • Implement options pricing, volatility, and interest-rate models into high-performance production systems.
  • 5+ years of relevant and proven experience.
  • Design complex multithreaded and multicore applications with efficient data sharing and synchronization.
  • Optimize numerical calculations for speed, throughput, and low latency.
  • Apply memory management, cache optimization, and computational efficiency techniques.
  • Develop practical, resource-efficient solutions within hardware and performance constraints.
  • Manage the full development lifecycle, including CMake builds, testing, deployment, and integration.
  • Troubleshoot and support production systems, ensuring data accuracy and reliability for high-speed trading.
  • Collaborate with quantitative traders and researchers to improve models, identify inefficiencies, and optimize performance.

OOJ-1501G

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