Core Java Developer

IEX is looking for a talented developer to support and contribute to our Core Java application frameworks, gateway systems, messaging APIs, and core data structures. You have significant work experience developing with Core Java (C++ also desirable), ideally in a trading environment, and have a solid grasp of the financial markets. You are a high energy self-starter who is intellectually curious, not afraid to be hands-on, and eager to contribute to code every single day. Experience on Wall Street is desired, but a real passion for our mission of fairness and transparency in the markets is imperative. If this sounds like you, join us!

About you:

  • Ability to consistently produce results
  • Actively seeks opportunities to contribute in various areas
  • Balance of being a team player as well as forming and asserting personal viewpoints independent of others
  • Detail-oriented
  • Strong belief in IEX's mission

What you'll do:

  • Develop, maintain and support Core Java application frameworks, messaging APIs, data structures (collections, etc.), application reliability, and recovery mechanisms
  • Support and participate in the software development lifecycle, including the Build, Deployment, Packaging, and Dependency Management stages
  • Build and Maintain systems including order entry, market data, post trade, system monitoring and reporting

Your background:

  • 5+ years of professional development experience with Core Java in a low latency environment
  • Knowledge of full Java development processes (build tools, continuous integration, automated testing, deployment)
  • Experience with network programming (IP Multicast, TCP, etc.)
  • Experience with electronic trading systems specifically the FIX Protocol, market data, and post trade handling
  • Experience in financial markets
  • Nice-to-haves:
    • Familiarity with C/C++
    • KDB+ experience
    • UI, Visualization tool development
    • Linux experience
    • Knowledge of Python, Shell or other scripting languages


Here at IEX, we are dedicated to an inclusive workplace and culture. We are an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, alienage or national origin, ancestry, citizenship status, age, disability or handicap, sex, marital status, veteran status, sexual orientation, genetic information or any other characteristic protected by applicable federal, state or local laws. This policy not only complies with all applicable laws and protects worker’s right’s but is vital to IEX’s overall mission and values.

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