Demo

Senior C++ Developer | Trading Infrastructure | Experienced Hire

Susquehanna International Group, LLP
York, NY Other
POSTED ON 1/5/2026
AVAILABLE BEFORE 10/6/2027

Overview

Susquehanna International Group is seeking a C Software Developer to join a Front Office team responsible for designing and developing low-latency trading systems.

 

As a developer on this team, you will work closely with technologists and traders to enhance our trading capabilities by providing innovative, scalable and stable systems. You will have direct impact and work on proposing new ideas or gathering requirements for additional functionality, both of which are brought into production quickly through our short development cycles. 

 

Beyond development, you will have the opportunity to propose and investigate new technologies to help us stay ahead. We are looking for a Senior C Developer with experience in performance and optimization.

 

In this role, you will:

  • Focus on the entire technical stack with an eye for building a stable, scalable, optimized environment with minimized risk
  • Explore new technologies to find the optimal solution
  • Exercise strong object oriented programming skills

What we’re looking for

  • 10 years of progressive experience developing software applications or HFT infrastructure
  • Strong understanding of high-performance computing using C is required
  • Excellent attention to detail and accuracy and a thorough understanding of performance optimization / latency reduction methodologies
  • Ability to work closely with other software developers, traders, quants, and infrastructure teams 
  • Bachelor's degree in Computer Science, Engineering, Mathematics or related discipline or its foreign equivalent

 

About SusquehannaSusquehanna 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 doWe 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.

 

The annual base pay range for this role is $250,000 - $300,000 discretionary bonus benefits. Susquehanna considers factors such as scope and responsibilities of the position, work experience, education/training, key skills, as well as market and organizational considerations when extending an offer.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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Hourly Wage Estimation for Senior C++ Developer | Trading Infrastructure | Experienced Hire in York, NY
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