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Oldmissioncapital

C++ Software Engineer

Chicago, IL, United States

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Role family
Engineering
Seniority
Mid level
Stated salary
$175,000 – $300,000 per year
Country
US
Work mode
Remote-friendly
First seen by hirly
1 Sept 2026

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the posting

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement.

About the Position

Old Mission Capital LLC, is looking to add several C++ Software Engineers to join our team in Chicago. 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.

Required Skills

BS/BA degree in Computer Science, Engineering, or another technical related field

2+ years of experience developing applications in C++, preferably with high availability systems with very tight latency constraints

Experience with C++ 11/14/17/20, 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

Benefits and Perks

Fully paid Medical, Dental, Vision, Disability, and Life Insurance

Fully stocked kitchen; free breakfast and lunch every day on-site

Tuition Reimbursement Program

401(k) with employer match

Paid Vacation, Sick, and Parental leaves

Commuter and Flexible Spending Programs

In office M-F with 10 remote days per year

Base Salary Range

$175,000 - $300,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter.

Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

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C++ Software Engineer at Oldmissioncapital — hirly