Trading System Engineer Intern

Updated on 11/12/2025

Susquehanna International Group (SIG)

Susquehanna International Group (SIG)

No salary listed

Ardmore, PA, USA

In Person

10-week internship in Bala Cynwyd, PA; in-person.

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

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

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


Trading System Engineer Intern @ Susquehanna International Group (SIG) | InternList.org