Old Mission
Software Engineer – 2027 Internship Program (June Start)
$150K–$200K
Chicago, IL · On-site · Internship · Posted Jul 15, 2026
- Experience
- No finance experience required.
- Education
- Currently pursuing a bachelor’s or master’s in Computer Science, Computer Engineering, or a similar technical field.
About the job
Supports development of C++-based trading applications and tools through hands-on projects that contribute to the firm’s daily activities.
What you'll do
- Work with engineers, traders, and other teams on projects supporting daily firm activities.
- Develop trading applications and tools.
- Learn trading systems and tools through sessions with senior engineers and feedback from colleagues.
What they ask for
- Currently pursuing a bachelor’s or master’s in Computer Science, Computer Engineering, or a similar technical field; at least junior standing, graduating December 2027 or May 2028.
- Minimum 3.0 GPA.
- Comfortable with one or more of C++, Python, or TypeScript; solid grasp of data structures, algorithms, and systems.
- Able to start June 1, 2027; strong work ethic, adaptability, and genuine interest in markets and software.
Pay
$150,000 - $200,000 USD base salary
Tools
C++, Python, TypeScript
Model-written summary · the original posting is authoritative