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# Senior C++ Developer | Trading Infrastructure | Experienced Hire

- **Company:** Susquehanna International Group, LLP
- **Location:** Bala Cynwyd, PA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, C++ (Programming Language), Machine Learning, Performance Tuning, Software Engineering, High Performance Computing, Information Technology
- **Published:** August 17, 2026
- **Apply:** https://www.efinancialcareers.com/jobs-United_States-Bala-Cynwyd-Senior_C_Developer__Trading_Infrastructure__Experienced_Hire.id24569371

## About the Role

oriented programming skills What we're looking for Bachelor's degree in Computer Science, Engineering, Mathematics or related discipline or its foreign equivalent 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 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. #LI-KH2

## Description

Overview Susquehanna International Group is seeking an experienced 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 level 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


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