Software Engineering Internship: Summer 2026

Susquehanna International Group, Llp (Sig)

Bala Cynwyd, PA

Internship

Intern

22 days ago

Job Description

About the Role

Susquehanna is looking for highly motivated full-time students for our 10-week software engineering summer internship program. As a software engineering intern, you'll be part of a team that builds some of the most powerful trading systems in the finance industry. You will work alongside our experienced software engineers on the development, delivery, support, and enhancements of our trading systems and infrastructure. Throughout the summer, you will have the chance to work on challenging projects that will be pushed into production. You'll also meet with senior technologists to learn about Susquehanna technology and how it impacts our trading strategies. The internship is a fully in-person experience at our Philadelphia-area headquarters, offering a unique culture focused on collaboration, continuous development, and impact.

Key Responsibilities

Work on the development, delivery, support, and enhancements of trading systems and infrastructure.
Participate in challenging projects that are pushed into production.
Collaborate with experienced software engineers and senior technologists to learn about technology and trading strategies.

Requirements

Enrolled in a bachelor's or master's program in computer science, computer engineering, mathematics, or a closely related STEM discipline.
Intention to graduate with a minimum of a bachelor's degree and begin full-time employment by August 2027.
Strong software development skills in any object-oriented language (such as C++, Python, or C#).
Knowledge of algorithms, data structures, and object-oriented design patterns.
A passion for technology and a tinkering spirit.
Exceptional problem-solving skills.

Nice to Have

Experience with trading systems or financial technology is a plus.
Previous internship or project experience in software engineering.

Qualifications

Enrolled in a bachelor's or master's program in a relevant STEM field.
Minimum of a bachelor's degree expected by August 2027.

Benefits & Perks

Housing provided for the duration of the internship.
Relaxed dress code: jeans and sneakers are the norm, shorts all summer long.
Fully stocked kitchens for breakfast, lunch, snacks, and beverages.
Access to a 40,000 square-foot state-of-the-art fitness facility with equipment, courts, and group classes.
Discounts for dining, entertainment, shopping, travel, and attractions.
Social events including poker tournaments, dinners, and sporting events in Philadelphia.
On-site Wellness Center and services such as a mailroom, barber, dry cleaning, and car maintenance.
Opportunities to give back to the community through sponsored events and donation drives.

Working at Susquehanna International Group, Llp (Sig)

Susquehanna's culture is non-hierarchical, casual, collaborative, and focused on continuous development. The environment encourages impact at every level and values a growth mindset and an analytical approach to decision making.

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