Verified from career page · Posted +6mo ago
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- +6mo ago
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Posted on 30 March 2026
Work model not stated
Salary range not shared by the company
Visa sponsorship details unknown
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.
About the Position
We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your primary responsibilities will encompass the refinement and advancement of our trading systems and mission-critical applications. Additionally, you'll collaborate closely with quants, traders, and research teams to bolster our systems' adaptability and scalability, all while contributing to the development of innovative trading applications.
Required Skills
Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline
A minimum of 3 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 and Perks
Competitive salary with discretionary annual bonus
Fully paid private medical, dental, vision with extended coverage and life insurance
Robust Pension Scheme, income protection, and salary exchange
Fully stocked kitchen and free on-site lunch daily
Season Ticket Loan Scheme
Tuition Reimbursement Program
Cycle to Work Scheme
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.
About Old Mission Capital
Old Mission Capital is a Chicago proprietary trading firm with a London office. The European board is small — a few quant and software roles at a time — and the work is trading systems rather than product engineering.