Senior Software Developer / JVM, Low Latency / Trading System

A leading global financial technology organization is seeking a Senior Java Software Engineer to join its Core Markets team in Philadelphia. This team is responsible for building and maintaining a real-time, mission-critical derivatives market system that supports high-volume options trading. This is not a traditional web application or cloud microservices position. The role is focused on deep, performance-oriented Java engineering where throughput, latency, reliability, and correctness are cri…