Senior Python Software Engineer at Old Mission (New York NY, United States)
Old Mission· New York NY, United States·
Job description
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 5 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
- 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
Base Salary Range
$150,000 - $250,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter.
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.
Why work at Old Mission
- Culture & Values: “Outwardly competitive culture with a flat hierarchy that respects good ideas, wherever they come from.” Transparency and collaboration are core. oldmissioncapital.com
- Immediate Responsibility: Traders, engineers, and operations staff are given ownership of critical processes from day one; new hires work at scale and measure impact in real time.
- Work Environment: Modern offices with well-stocked kitchens and plenty of social opportunities; founders and senior leaders remain accessible on the trading floor.
- Learning & Growth: Formal education program combined with hands‑on mentorship. Engineers get exposure to the entire technology stack (Python, C++, Kubernetes, etc.) and traders learn from desk heads directly.
- Compensation & Reviews: Employer rating of 4.2/5.0 (42 reviews) with high marks for culture (4.6), compensation (4.4), and career development (4.6). linkedin.com
- Work Policy: Likely office‑focused given trading floor environment; roles are based in Chicago, New York, and London.