About the role#
This internship program is designed for students who want to work alongside software engineers to create solutions that support the firm's market initiatives. As a member of a smaller firm, you will work directly with engineers, traders, and other teams on projects that contribute to daily operations. You will gain exposure to electronic trading, from the underlying theory to the systems and tools that support it.
What you'll do#
- Support the development of C++ based trading applications and tools.
- Work on projects that contribute to the firm's daily activities.
- Participate in regular sessions with senior engineers covering the fundamentals of the systems and tools used at the firm.
- Receive direct, real-time feedback from the engineers you work alongside.
What you'll need#
- Currently pursuing a bachelor's or master's degree in Computer Science, Computer Engineering, or a similar technical field.
- Junior standing or higher, with a graduation date of December 2027 or May 2028.
- Minimum 3.0 GPA.
- Proficiency with one or more of C++, Python, or TypeScript.
- A solid grasp of computer science fundamentals, including data structures, algorithms, and systems.
- A genuine interest in markets and how software supports them.
Location & details#
- Location: Chicago, Illinois.
- Term: Summer 2027.
- Start Date: June 1, 2027.
- Work Modality: On-site, full-time.
- This position is paid and does not offer sponsorship.
About Old Mission
Old Mission is a global market maker focused on multi-asset trading. Founded in 2008, the company specializes in valuing securities and complex derivatives. It operates out of Chicago with additional offices in New York and London. The firm employs approximately 277 people and works with institutional investors and exchanges to facilitate risk transfer.
How to get in at Old Mission
Securing a role at Old Mission requires speed because early applicants often reach recruiters before the candidate pool becomes unmanageable. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first. This helps you avoid the frustration of submitting an application to a queue that has already grown too large to review effectively. You can improve your odds by reaching out to the people actually hiring for the position. Intern Insider surfaces the recruiters behind the company roles so you can contact them directly to ask about the team or a referral. This approach often leads to better response rates than relying solely on automated portals.
