Old Mission
Posted 142 days agoVerified live 1d ago
Python Software Engineer
Brief overview
Chicago, IL, United StatesHybrid
UndergradOr in progress
$150k–$225k/yrStated range
2+ yrsMinimum
12 H-1B approvalsDept. of Labor
5 green cardsCertified filings
PythonLinux PlatformsRelational databasesPostgreSQLMySQLWritten and verbal communicationProblem-solvingCollaboration
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 a Software Engineer who excels in Python to take ownership of cutting-edge projects and collaborate with various teams to enhance their trading systems.
Responsibilities
- Refinement and advancement of our trading systems and mission-critical applications
- Collaborate closely with quants, traders, and research teams to bolster our systems' adaptability and scalability
- Contributing to the development of innovative trading applications
Skills
- Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline
- A minimum of 2 years of professional Python experience in a production environment
- High proficiency in Python on Linux Platforms
- Familiarity with relational databases (e.g. PostgreSQL, MySQL, etc.)
- Exceptional written and verbal communication skills
- A collaborative team player with a knack for owning and driving exciting projects
- Thrives in a fast-paced work environment, showcasing effective problem-solving abilities
Qualifications
Must Haves
- Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline
- A minimum of 2 years of professional Python experience in a production environment
- High proficiency in Python on Linux Platforms
- Familiarity with relational databases (e.g. PostgreSQL, MySQL, etc.)
- Exceptional written and verbal communication skills
- A collaborative team player with a knack for owning and driving exciting projects
- Thrives in a fast-paced work environment, showcasing effective problem-solving abilities
Benefits
- 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
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