Quantitative Developer Internship: Summer 2025

Overview

Are you interested in our summer 2025 Quantitative Developer internship? Apply here, and we will reach out to you in late summer when recruiting begins.

Susquehanna is looking for highly motivated full-time students for our 10-week quantitative development summer internship program. As a quantitative development intern, you'll be part of an elite team that builds some of the most powerful trading systems in the finance industry. This is a computationally intensive role that will allow you to utilize both your data analysis and technology skills.

Throughout the summer, you will have the chance to work on challenging projects related to systems that support both active trading as well as quantitative analysis related to trading. You'll have the opportunity to work side by side with senior developers who understand the nuances of building complex trading strategies, as well as have access to tens of petabytes of market and trading data for analysis. You'll also meet with senior technologists to learn about Susquehanna technology and how it impacts our trading strategies.

To learn more about what it's like to work at Susquehanna, check out our campus programs site, where you can take a virtual office tour, meet some of our employees, and learn more about our unique culture!

What we're looking for

• Minimum of a Bachelor's degree in Computer Science, Mathematics, or closely related discipline (Bachelors, MS, PhD)

• Experience developing performance sensitive code

• Strong software development skills in C#, C++, or Python

• Strong numerical programming or HPC experience is a plus

INTERN PERKS:

• Fully-furnished housing provided for duration of internship

• Relaxed dress code: jeans and sneakers are the norm and shorts all summer long

• A 9,000 square-foot gym with cardio, cross fit, and strength machines

• Social events such as dinners in Philadelphia, sporting events, and more!

• Discounts for shopping, travel, dining, entertainment, and attractions

• On-site services such as dry cleaning, auto repair and detailing, barber, and ATM

• On-site Wellness Center staffed with full-time Nurse Practitioner

Follow us on Instagram at @workingatsig to check out what our interns have been up to this summer!

ABOUT SUSQUEHANNA:

Susquehanna is a global quantitative trading firm founded with a growth mindset and an analytical approach to decision making. As one of the largest proprietary trading firms in the world, Susquehanna benefits the financial markets by providing liquidity and ensuring competitive prices for buyers and sellers. Susquehanna brings together the brightest minds, the best technology, and an expansive library of data to design and implement quantitative trading strategies that make us leaders in the financial markets. Beyond trading, Susquehanna is active in global private equity, institutional brokerage, sports analytics, and structured capital.

Susquehanna does not accept unsolicited resumes from recruiters or search firms. Any resume or referral submitted in the absence of a signed agreement will become the property of Susquehanna and no fee will be paid.