Trading System Engineering Internship : Summer 2026

Overview

Susquehanna is looking for highly motivated full-time students for our 10-week trading system engineering summer internship program. This is a computationally intensive role that will allow you to use your strong technical skills to solve problems at the intersection of trading, data, and technology.

Throughout the summer, you will receive education about how markets work by going through a deep dive into financial markets and Susquehanna’s approach to trading. You will also work on challenging projects for our trading strategy development teams in low latency C++ trading system development. Additionally, you’ll have the opportunity to work on the desk side by side with senior developers who understand the nuances of building complex trading strategies.

Through splitting your time between working on a trading desk and participating in education in a classroom setting, you will receive the best preparation possible for a career in trading system development and engineering.

What we’re looking for

• Enrolled in a bachelor's or master's program in computer science, computer engineering, mathematics, or closely related STEM discipline
• Strong software development skills in C++, C, Rust, C#, or Java, and some Python experience.
• Strong numerical programming or HPC experience is a plus – PhD only
• Experience developing performance sensitive code is a plus – PhD only
• Intention to graduate with a minimum of a bachelor’s degree and begin full time employment by August 2027
• Exceptional logical reasoning skills

If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com. Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.