Java Engineer - Low Latency Trading Systems (New York) Job at IO TECH SOLUTIONS LIMITED, New York, NY

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  • IO TECH SOLUTIONS LIMITED
  • New York, NY

Job Description

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.



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