Demo

Software Developer | C# Middle/Back Office Development | Experienced Hire

Susquehanna International Group, LLP
Philadelphia, PA Other
POSTED ON 4/17/2025
AVAILABLE BEFORE 4/15/2026

Overview

Our Brokerage Technology team plays a critical role in originating and processing our institutional trade flow.   In this role, you will have a direct connection to the business you’re supporting, while learning about the institutional brokerage space.  We work with any institutional client (hedge funds, mutual funds, etc.) looking to trade fixed income, derivative, and equity products through our platform.  Your role in designing and developing applications to support our trading systems will help ensure timely and accurate execution of our client orders. 

In this role, you will:

  • Execute ideas quickly with innovative approaches to design and development
  • Focus on the entire technical stack with an eye for building a stable, scalable, optimized environment with minimized risk
  • Demonstrate your passion for technology and interest in exploring newer tools and technologies to find the optimal solution
  • Utilize your strong object oriented software development skills within a team that is responsible for post trade data collection and reference data within the Institutional Brokerage space

What you can expect from us: 

Real Impact: You’ll be designing and optimizing systems that process massive amounts of data, ensuring high performance and stability. You’ll see how your contributions towards developing and supporting leading-edge hardware and software solutions make a firm-wide impact that makes us all smarter, faster, and better.

 

Collaboration: Our systems engineers, network architects, technical analysts and software developers work together to create competitive edge through best-in-class technical solutions.

Growth: For many of our roles, we don’t expect you to have prior industry experience in proprietary trading or financial services to succeed at Susquehanna. We’re looking for people who are naturally curious, relentless problem solvers, and have the desire to continuously innovate, learn, and grow. 

Benefits: Susquehanna offers a wide array of competitive employee perks & benefits.

What we’re looking for

  • Bachelor's degree in Computer Science, Engineering, Mathematics or related discipline or its foreign equivalent plus 2-4 years of progressive experience developing software applications using an object oriented language. Relevant experience can be substituted for education.
  • Recent hands-on experience with the .NET, C#, or Java technologies
  • Full stack development experience is preferred.
  • Ability to meet deadlines and work well under pressure in a fast-paced, collaborative team environment. 
  • Willingness and ability to work in all phases of the Software Development Life Cycle.

About Susquehanna

Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results 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.

 

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.

 

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