Old Mission Capital, LLC

Old Mission Capital, LLC

Chicago, IL

C++ Software Engineer

Old Mission Capital LLC, is looking to add a few C++ Software Engineers to join our team in either Chicago or NYC. In this role, you will be building and optimizing our current automated trading infrastructure, and you will also be tasked with working directly with our Traders and Quants to develop the next generation of the firm’s trading algorithms and strategies. Additionally, you will be responsible for creating and developing scalable multi-tiered applications. Our Software Engineers work on small collaborative teams and are a key component for our success.


  • BS/BA degree in Computer Science, Engineering, or another technical related field
  • 5+ years of experience developing applications in C++ (with at least 3 years of C++ 11) preferably with high availability systems with very tight latency constraints
  • Experience with C++ 11/14/17, Linux and Python and BASH scripting
  • In-depth knowledge of the Linux kernel, systems programming
  • A passion for solving challenging problems
  • Strong systems knowledge and prefer some experience in developing low latency systems
  • Experience with writing applications connecting to exchange API’s or using network protocols
  • Experience with parallel, concurrent, and multi-threaded programming
  • Prefer experience with low-latency computing and hardware-level design Experience with Git, SVN, Mercurial

About Old Mission Capital, LLC

Old Mission Capital LLC is a growing quantitative trading firm with offices in Chicago, New York City and London. Technology is at the heart of what we do and we believe combining carefully engineered systems with constant refinement of our strategies and execution is the basis for our long term success. The culture at Old Mission is hard-working but relaxed.  We all enjoy what we are doing so it doesn't really seem like work.  Most Old Mission employees have math or engineering backgrounds.  We all enjoy building things, tinkering, making things better and in general working on hard problems.  If you're interested in being challenged and working in a small team environment, we encourage you to apply!