Software Engineer – 2027 Graduate Program (August Start)

Company: Old Mission
Location: Chicago, IL, United States
Type: Full-time
Posted: Aug 19, 2026
Views: 2

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.

Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm’s growth.

About the Position

Our development program is geared for college graduates who want to work alongside our talented software engineers creating impactful solutions to further the firm’s market initiatives. Responsibilities include developing and supporting C++ based trading applications and tools. You will be given immediate responsibilities which will significantly contribute to the firm’s daily activities. In this role, you’ll have the opportunity to learn more about creative programming and the tools needed to support electronic trading. If you are looking to have an immediate contribution and would like to be part of building out our business, feel free to apply today!

Required Skills

  • An undergraduate or an advanced degree in a quantitative field such as Computer Science, Engineering, or one of the hard sciences
  • Minimum 3.0 GPA
  • Knowledge of C++ and Python, SQL, JavaScript, React
  • Understanding of systems programming, data structures, and algorithms
  • Familiarity working in a Linux environment
  • Strong analytical and problem solving skills
  • Great communication skills, both written and verbal
  • A strong work ethic and ability to adapt quickly in a fast-paced environment
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

Base Salary Range

$175,000 - $200,000 - 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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About the Company

Name: Old Mission
Location: Chicago, Illinois (inferred from industry and context, but not explicitly stated on the page)
Website: https://www.oldmissioncapital.com

Old Mission is a global quantitative market-making firm founded in 2008. We build and operate a proprietary trading platform that dynamically values individual securities and complex derivatives at high speed. Our platform enables us to work with the world's largest exchanges, brokers, and institutional investors as a trusted partner, providing liquidity and risk transfer in a wide range of financial instruments, both on and off exchange. We are a privately held firm with a flat hierarchy, fostering an outwardly competitive culture that values good ideas. Our team of technologists, traders, and operations specialists is dedicated to improving market efficiency through advanced technology, unique liquidity, and an entrepreneurial spirit.

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