Java Engineer - Low Latency Trading Systems (New York)

Key Responsibilities: 

• Design, develop, and maintain low-latency, high-throughput trading applications in Java.
• Optimize critical code paths for ultra-low latency and high availability.
• Implement multithreaded, concurrent, and distributed systems that handle large volumes of market data and order flow.
• Work closely with quants, traders, and infrastructure teams to deliver performant and reliable systems.
• Conduct performance tuning, profiling, and garbage-collection optimization
• Develop connectivity solutions to exchanges, ECNs, and brokers using FIX and other protocols.
• Build tools to monitor, troubleshoot, and improve production trading systems in real time.

Requirement: 

• BSc/MSc/PhD in Computer Science, Physics, Engineering or similar
• 8+ years of hands-on expertise with Core Java (Java 8/11/17+)
• Previous exposure to trading environments (hedge fund, prop shop, or bank) preferred
• Proven experience with low-latency systems, multithreading, and concurrency control.
• Solid understanding of network programming (TCP, UDP, multicast) and OS-level performance tuning (Linux).
• Experience with garbage collection tuning, memory management, and lock-free programming.
• Knowledge of messaging frameworks
• Familiarity with FIX protocol, market data feeds, and electronic trading systems.
• Exposure to scripting languages (Python, Bash) for automation and data analysis.