Associate Engineer Internship - Summer 2025

CTC is a cutting-edge proprietary trading firm with a long-term vision and a clear focus on helping the world price and manage risk. Our fun and trusting culture inspires us to solve the industry’s most challenging problems and take calculated risks in a collaborative environment. We strive to be the most innovative firm in the industry today, tomorrow, and long into the future while upholding ethical excellence. We believe that CTC makes a positive impact on the markets, the lives of our employees, and all the communities to which we belong. Started in 1995 by a team of forward-thinking Traders, we are proud to call ourselves an industry leader that keeps making markets and each other better. As a Associate Engineer (AE) Intern, you will be challenged to learn and adapt in a dynamic, forward-thinking, and fast-paced environment and will experience life as an engineer on one of our technology teams. Your impact is immediate and meaningful. You will work alongside engineers designing, solving and testing complex coding problems that will deliver solutions to our trading tools and risk applications. These distributed real-time systems will require you to have a proven understanding of computer science concepts, software development skills and methodology, and effective communication and teamwork abilities. You will get exposure to the design and implementation of these systems, which will allow you to build upon your technical skills. As part of the Summer Associate cohort, you will learn and socialize alongside other Associate Engineering Interns and Quant Trading Associate Interns. There are a variety of languages you could get practical experience working with including (but not limited to): Java, C++, and Python. Software development cycles at CTC are short and releases of proprietary software are frequent. This is a fast-paced and dynamic team environment where our engineers quickly see the results of their effort, and the impact that work has on our businesses. The internship program gives you insight into our culture and an inward look into what our business is all about. You will participate in three classroom learning experiences including: a week-long Basics of Options class, a multi-week class on the fundamentals of market making (Mock Trading), and a multi-week class that introduces elements of our quant infrastructure (Quant Curriculum). You will also attend planned social activities and talks from various business leaders to propel your professional growth, and build your network with CTC employees and fellow interns. What it takes for you to be successful A foundation in data structures, object-oriented programming, and algorithms, and the ability to apply them to real-world problems An interest in learning about technology, trading, pricing and risk management. No prior knowledge or experience in finance is necessary, but a deep curiosity and a hunger to learn is critical You are a highly motivated, humble, and collaborative team member Ability to thrive in a team-based environment filled with driven people who want to compete and win together Ability to effectively communicate ideas both written and verbally that showcase your analytical skills You seek constructive feedback to grow your capabilities Key requirements You are pursuing a Bachelor's in Computer Science, Computer Engineering or a similar technical field with Java, C++, or Python experience You will graduate between December 2025-June 2026 You have a demonstrated record of success (academics, awards, volunteering, community service, etc.) You are willing to relocate to Chicago, IL for the summer You are either eligible to work in the United States with no restrictions or you are eligible to work in the United States temporarily/will require visa sponsorship for permanent authorization.

CTC is a cutting-edge proprietary trading firm with a long-term vision and a clear focus on helping the world price and manage risk. Our fun and trusting culture inspires us to solve the industry’s most challenging problems and take calculated risks in a collaborative environment.