Software Engineering Internship - Summer 2027

Chicago Trading Company is recruiting for Software Engineering Internship - Summer 2027 in Chicago, Illinois, United States. This listing was last seen on the firm's own job board on August 22, 2026.

Related preparation: Quantitative Developer (QD) Career Roadmap, Quant Infrastructure Engineer Roadmap, Quantitative Data Engineer Career Roadmap and Algorithmic Trading Developer Career Roadmap.

The role, as Chicago Trading Company describes it, published on August 3, 2026 and reproduced from their job board:

Chicago Trading Company (CTC) is a premier proprietary trading firm specializing in options market making. Our collaborative culture fuels innovation in quantitative research, systematic trading strategies, and cutting-edge trading technology. For over three decades CTC has provided critical liquidity across derivatives exchanges worldwide - making them fairer, more transparent, and more efficient.

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.

The Role

As a Software Engineering (SE) 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 software engineers designing, solving and testing complex coding problems that will deliver solutions to our trading tools and risk applications. You will build the tools traders and quants rely on to price, trade, and manage risk in real time - and because our release cycles are measured in days, you will watch your code reach production and affect the desk almost immediately. This work draws on a solid foundation in…

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.

Additionally, our engineers use AI coding assistants and agentic tooling in their daily workflow, and we are actively building AI into our trading, research, and engineering systems. As an intern, you will work in that environment and be encouraged to use these tools to ship more and ship it faster.

What to Expect

The 8-week 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 framework (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. You will:

Deliver a technical project in an impactful role mirroring that of a full-time Software Engineering Associate

Get hands-on experience with our trading technology

Receive mentorship from members of our technology team

Experience a culture with a strong emphasis on teamwork and collaboration built through various educational and social activities

What it takes for you to be successful