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Flow Traders

Software Engineer, C++

Sorry, this job was removed at 04:18 p.m. (CST) on Tuesday, Sep 23, 2025
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In-Office
Chicago, IL
Easy Apply
In-Office
Chicago, IL

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Flow Traders US is seeking talented C++ Engineers to join our growing team in Chicago. Software Engineers at Flow Traders provide us with our competitive edge, equipping researchers and traders with the information and capabilities that they need to make sound business decisions. C++ plays a critical role in our event-driven trading systems, which are designed to reliably handle vast amounts of data at ultra-low latencies.

As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely with technologists, quantitative researchers and traders, you'll guide the development of our in-house trading technology and optimize it to achieve market-leading performance and reliability.

Teamwork is one of our most important firm values and end users are never more than a short walk away, guaranteeing short feedback loops and immediate insight into the value that your code provides. To foster collaboration and innovation, we maintain shared libraries, encourage code re-use, and continuously evolve our views on application architecture.


What You Will Do

  • Design and deliver trading systems that process billions of market data updates, orders and trading decisions across thousands of products on hundred of global trading venues every day
  • Measure and optimize performance to achieve best-in-class reliability, latency and thoughput
  • Collaborate directly with global colleagues across Technology, Trading and Quantitative Reearch to shape the direction of our proprietary trading infrastructure
  • Iterate fast and often, pushing changes to production, collecting feedback and using it to refine your approach

Technologies we use:

  • C++17/C++20 (with gcc/clang and CMake) and Python 3
  • Bitbucket (Git) version control, Bamboo CI/CD, Ansible deployment automation
  • Debian Linux across development and production environments
  • Jira project management, Confluence knowledge base

What You Need to Succeed

  • BSc, MSc, or PhD in Computer Science, Mathematics or equivalent
  • 5+ years post-graduation professional C++ software development experience (proprietary trading industry preferred)
  • Ability to write clean, reliable, and highly scalable code
  • Good knowledge of algorithms and data structures
  • Experience in parallel, asynchronous, and multithreaded programming
  • Interest in achieving maximum performance from available hardware and software
  • Ability to communicate with technical and non-technical business colleagues
  • Ability to travel to Flow Traders' offices around the world

At Flow Traders, we acknowledge the importance of open and transparent communication whether it be with our employees, our stakeholders, or our local and global communities. When it comes to salary, Flow Traders uses reliable market research to create base ranges. Where candidates will fall within the range depends on a few different factors including but not limited to level of experience, location, and specific skill set. We also consider ourselves one global team, and to demonstrate that, all employees are eligible to share in the company’s success through an annual discretionary variable remuneration allocated based on company, group and individual performance and contribution.

Per the Illinois Salary Transparency Law, the total compensation for this role includes a base of $185,000 - $250,000 plus annual discretionary variable remuneration.


Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders.

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