Susquehanna International Group, LLP

C# Software Developer | Order Routing | Experienced Hire

Job Locations US-PA-Bala Cynwyd (Philadelphia Area)
Requisition ID
2025-9782
Experience Level
Experienced Professionals
Job Categories
Technology - Software Engineering

Overview

As a Software Developer at Susquehanna, you’ll work alongside experienced software engineers our on the development, delivery, support and enhancements of our trading systems and infrastructure. With guidance and mentoring from your team, you’ll get hands-on experience beginning on your first day.  In addition, we customize a learning and development plan to help you get to know the people you’ll be working with, what your team is responsible for, and our technical environment. This includes a combination of technical classes, overviews of our technology teams and rotations through other teams that will enhance your technical knowledge and allow you to grow further within your team.

We place software developers across our trading, business and technology teams. Throughout the interview process, we’ll discuss your skills and goals so we can match you with the team where you’ll be successful from day one.

What You Could Work On:

  • Designing and developing low-latency trading systems for our trading desks
  • Developing high performance low level C# and C++ code for handling the first steps of our market data processes
  • Conducting technology research projects related to scale and performance with open source tools
  • Develop applications and services that receive and store trading activity
  • Creating tools to improve system efficiency using performance data

What we’re looking for

  • BS or MS in Computer Science, Computer Engineering or a similar major.
  • 3+ year of software development experience in any object oriented language (we use C# and Python, along with C++).
  • Visa sponsorship is available for this position 

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.

 

What we do

We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

 

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.

 

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