Senior C++ Engineer, Trading Infrastructure (Low-Latency)

Susquehanna International Group; Bala Cynwyd (PA); On-site; USD 120,000 - 170,000; Full time

Job summary

Susquehanna International Group is seeking an experienced Software Developer to join a front office team responsible for designing and building low-latency trading systems that power our trading strategies. Our short development cycles mean your work reaches production quickly, and your impact is immediate and visible.

The role involves owning the full tech stack from design through implementation with a focus on stability, scalability, and reducing operational risk.

Qualifications

• Bachelor's degree in CS/Engineering/Math or related field.
• 3+ years of software/trading infra development.
• Strong system design foundation balancing performance, reliability, and simplicity.
• Experience with high-performance/low-latency system development.
• Excellent OO programming and sound engineering practices.
• Ability to collaborate with traders and quants to shape technical solutions.

Responsibilities

• Design and build high-performance, low-latency trading systems.
• Own the full tech stack from design to implementation with focus on stability and scalability.
• Evaluate and prototype new technologies to stay ahead of the curve.
• Apply strong software engineering fundamentals to build fast and maintainable systems.

Skills

OO programming

System design

Low-latency development

Cross-functional collaboration

Curiosity and initiative

Education

Bachelor's degree in CS/Engineering/Math or related field

Job description

Susquehanna International Group is seeking an experienced Software Developer to join a front office team responsible for designing and building low-latency trading systems that power our trading strategies. Our short development cycles mean your work reaches production quickly, and your impact is immediate and visible.

The role involves owning the full tech stack from design through implementation with a focus on stability, scalability, and reducing operational risk.