Quantitative Finance and Computer Science – 2026 Summer Internship

The Internship Program

GCM is looking for a talented student to join as a Quantitative Finance and Computer Science intern on our Quantitative Trading and Research Operations team. GCM’s paid internship features a structured program consisting of educational, skill-building and networking events. Learning is the cornerstone of our culture and plays an active role in the internship experience through daily collaboration and interaction with employees at all levels, and most significantly by working on projects that matter to the fundamentals of our business. The role will be fully in-person based out of our Rowayton, CT office for the 9-week program.

Team & Responsibilities

The Quantitative Trading and Research Operations team supports the Research team by developing and enforcing best practices, analyzing system financial and computational performance, and executing trades. Interns can expect to gain familiarity with all areas of the team, with a particular focus on current initiatives regarding trading system implementation, computational resource utilization, creating build and deployment processes, containerization, and investigating cloud computing.

Qualifications

• Pursuing a degree in relevant quantitative field
• Strong Python skills
• Strong program design fundamentals
• Coursework or planned coursework in cybersecurity
• Comfort working in the command line on Unix
• Comfort using version control, such as Git
• Familiarity with JavaScript and HTML
• Familiarity with relational databases such as SQL
• Knowledge of R and MATLAB are helpful, as is familiarity with writing test cases
• Excellent interpersonal and communication skills
• Ability to work independently and collaboratively in a dynamic, fast-paced environment

Pay Range

The anticipated hourly rate for this position ranges from $40/hr to $55/hr.  The anticipated range is based on information as of the time this post was generated.  The applicable hourly rate paid to a successful applicant will be determined based on multiple factors, including without limitation the nature and extent of prior experience, skills, and qualifications. 

GCM is committed to providing equal employment opportunity to all employees and applicants for employment without regard to their race, color, religious creed, gender, age, national origin, ancestry, alienage, citizenship status, handicap, disability, marital status, sexual orientation, gender identity, pregnancy, childbirth or other related conditions, military status, genetic information, or any other personal characteristics protected by applicable law. This policy applies to all terms and conditions of employment, including hiring, placement, promotion, layoff, termination, transfer, leave of absence and compensation.