Old Mission
Posted 81 days agoVerified live 1d ago
Software Engineer – 2027 Internship Program (June Start)
Brief overview
Chicago, ILIn-person
Undergrad juniorOr in progress
$150k–$200k/yrStated range
12 H-1B approvalsDept. of Labor
5 green cardsCertified filings
C++PythonTypeScriptData StructuresAlgorithmsComputer Systems
About the company
Old Missionoldmissioncapital.com
Old Mission is a global, multi-asset market maker.
Visa sponsorship history
4 years sponsoring, last filed FY2026
Data powered by U.S. Department of Labor. This does not guarantee sponsorship for this specific role.12H-1B approved
92%approval rate
2new H-1B hires
5PERM certified
$187,500median wage / yr
H-1B Petition ApprovalsVisas USCIS actually granted: the strongest sign the company sponsors.
20233
20244
20255
LCA Certified ApplicationsAn early filing step, not a visa approval: it signals intent, not confirmed sponsorship.
20243
Green Card (PERM) FilingsCertified green card filings: a long-term commitment to international hires.
20231
20241
20252
20261
Top sponsored roles
QUANTITATIVE DEVELOPERSenior Network EngineerSENIOR QUANTITATIVE DEVELOPER
Sponsored employees from
United KingdomIndia
Job description
Summary
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies. They are seeking interns to work alongside talented software engineers, focusing on developing C++ based trading applications and tools.
Responsibilities
- Gain exposure to how trading works, from the underlying theory to the systems and tools we build around it
- Regular sessions with senior engineers covering the fundamentals of the systems and tools we use
- Get direct feedback from the engineers you're working alongside, learning in real time
- Work directly with engineers, traders, and other teams on projects that matter to the firm day to day
Skills
- Currently pursuing a bachelor's or master's in Computer Science, Computer Engineering, or a similar technical field
- Minimum 3.0 GPA
- A strong work ethic and ability to adapt quickly in a fast-paced environment
- At least junior standing, with a graduation date of December 2027 or May 2028
- Comfortable with one or more of C++, Python or TypeScript
- A solid grasp of computer science fundamentals: data structures, algorithms, systems
- Genuine interest in markets and how software supports them
- Ability to start the internship on June 1, 2027
- No finance experience is required
Qualifications
Must Haves
- Currently pursuing a bachelor's or master's in Computer Science, Computer Engineering, or a similar technical field
- Minimum 3.0 GPA
- A strong work ethic and ability to adapt quickly in a fast-paced environment
- At least junior standing, with a graduation date of December 2027 or May 2028
- Comfortable with one or more of C++, Python or TypeScript
- A solid grasp of computer science fundamentals: data structures, algorithms, systems
- Genuine interest in markets and how software supports them
- Ability to start the internship on June 1, 2027
- No finance experience is required
Benefits
- Fully stocked kitchen; free breakfast and lunch every day on-site
- Corporate housing at no cost to you
- Access to people across the firm — traders, researchers, and engineers
