Old Mission

Quantitative Trader - 2027 Micro-Internship Program (January Start) at Old Mission (Chicago, IL)

Old Mission· Chicago, IL·

Role details

Level
Internship

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.

Responsibilities

Our quant trading interns will explore new trading strategies, engage in mock trading, take part in quantitative research, and develop related software. Our interns will participate in the firm’s education program, getting a chance to learn about all aspects of trading and financial markets both formally (in classes) and on-the-job. The internship program will start on January 4th, 2027, and conclude on January 22nd, 2027.

Required Skills

  • A strong quantitative background and familiarity with probability and statistics
  • An undergraduate degree in a quantitative field such as computer science, engineering, or one of the hard sciences
  • Graduating in December 2027 or May 2028
  • Familiarity with Python
  • The ability to work and solve problems as part of a team, often in a high-pressure environment
  • Proven trustworthiness and performance under the highest ethical standards
  • A strong desire for knowledge and to understand how things work
  • Superior written and verbal communication skills
  • A strong work ethic and ability to adapt quickly in a fast-paced environment

Benefits and Perks

  • Sharp, motivated co-workers in a fast-paced office environment
  • Fully stocked kitchen, free breakfast and lunch every day on-site
  • Housing provided
  • Competitive compensation

Base Salary

  • $2,500 per week

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.

Application questions