Software Developer - Global Routing | Experienced Hire

Susquehanna International Group, LLP • Bala Cynwyd (Philadelphia Area), PA

39d

About The Position

Susquehanna International Group is seeking a Software Developer to join our newly formed Global Routing team. This team owns the electronic trading connectivity infrastructure that powers Susquehanna’s client-facing brokerage business worldwide. You'll work on high-impact systems that handle order flow across major global markets, collaborating closely with trading, operations, and technology teams in our U.S., European, and Asian offices.

Requirements

• 5+ years of software development experience in C#, Java, or C++.
• Deep knowledge of the FIX protocol, with hands-on experience implementing or supporting FIX connectivity at a brokerage, trading firm, exchange, fintech, or OMS/EMS vendor.
• Experience with order routing in a multi-system, global trading environment.
• Strong analytical skills with the ability to debug complex, distributed systems.
• Excellent communication skills — you're equally comfortable talking to a quant, a trader, or a client.

Nice To Haves

• Familiarity with financial models or algorithmic trading strategies.
• Experience with low-latency or high-throughput system design.
• Prior work with connectivity to global exchanges or dark pools.

Responsibilities

• Design, develop, and maintain systems that support electronic order routing across global markets and venues.
• Build and enhance FIX connectivity for clients, brokers, exchanges, and internal systems.
• Partner with business counterparts in Susquehanna's Europe and Asia offices to support international expansion and onboard new trading relationships.
• Collaborate with traders, operations, developers, and external vendors to troubleshoot and resolve connectivity issues in a fast-paced environment.
• Contribute to architectural decisions and advocate for scalable, reliable system design.
• Document systems, workflows, and integration specifications clearly and thoroughly.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed