Python Software Engineer
Old MissionLondon, England, United Kingdom • Chicago, Illinois, United States • New York, New York, United States
Posted October 20, 2025
Full Time
About the Company
Old Mission is a global market maker specializing in valuing securities and derivatives at high speeds. Leveraging an advanced platform, they collaborate with leading exchanges, brokers, and institutional investors to facilitate efficient risk transfer across diverse assets worldwide. Their focus on automated trading, arbitrage, and software development sets them apart as a trusted partner in the dynamic financial markets.
Job Description
Old Mission is a global proprietary trading firm seeking a Python Software Engineer to contribute to the development and refinement of their trading systems. The role involves working closely with quants, traders, and research teams to improve the adaptability and scalability of their systems. The company values team collaboration and offers a competitive salary and benefits.
Requirements
- Bachelor's degree in Computer Science, Mathematics, or related Engineering/Science discipline
- 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
- Collaborative team player
- Problem-solving abilities
- Effective communication
Benefits
- Competitive salary
- Discretionary annual bonus
- Private medical, dental, vision, and life insurance
- Pension Scheme
- Salary exchange
- Lunch (free daily)
- Student loan scheme
- Tuition reimbursement program
