Market Connectivity Developer - Trading

MillenniumNew York, NY
$160,000 - $250,000Remote

About The Position

We are seeking a candidate with strong experience in financial markets technology to join our Market Connectivity team. This global team is responsible for developing and maintaining front-office trading solutions, collaborating with brokers, exchanges, ECNs, and third-party platforms across all asset classes and regions.

Requirements

  • 5+ years of Java development experience, including multithreaded systems.
  • 3+ years of experience in a financial institution or capital markets environment.
  • Strong experience with the FIX protocol, including FIX 4.2 to FIX 5.0.
  • Experience with C++ development.
  • Extensive Linux development experience.
  • Strong understanding of object-oriented programming.
  • Working knowledge of networking protocols, including TCP/IP, UDP, and multicast.
  • Strong understanding of market structure across equities, futures, options, and FX.
  • Experience using AI coding assistants and engineering tools to support code generation, refactoring, documentation, debugging, and developer productivity.
  • Experience developing and maintaining automated test frameworks for unit, integration, regression, performance, latency, and protocol conformance testing.
  • Ability to apply AI tools for test case generation, log analysis, anomaly detection, root cause analysis, and production incident review.
  • Ability to troubleshoot production issues in a Level 3 support environment.
  • Excellent written and verbal communication skills.
  • Bachelor’s degree in Computer Science or a related field.
  • Knowledge of binary trading protocols.

Responsibilities

  • Ensuring seamless integration of third-party trading systems with the Millennium eco-system.
  • Building connectivity with brokers, exchanges and alternative trading venues.

Benefits

  • Discretionary performance bonus
  • Comprehensive benefits package
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