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Jefferies Financial · New York, NY

Senior Java Developer - Fixed Income ETrading

New York, NY, United StatesSenior individual contributor$175,000 - $225,000Software Engineering

Listed on Jefferies Financial ’s official careers site. Posted October 5, 2026. Check that it is still open and apply there.

Apply on Jefferies Financial ’s careers site →

Job description

Primary Responsibilities

Design & development of firm’s proprietary, high performance FI E-Trading platform encompassing fixed income all products (Credits/Rates) Understand RUN, Axes, RFQs workflow for Dealer to Client markets such as MarketAxess, TradeWeb, Bloomberg. Work alongside traders and quantitative analysts to specify and build out real-time trading applications that electronically execute orders across multiple ECNs.

Supporting and enhancing existing infrastructure and application across a variety of technologies (ION, Java, KDB/Q)

  • Drive implementation and design with emphasis on high availability, scalability and reusability Working with other Fixed Income front office teams lead to promote framework reusability across all business Champion best practice software development life cycle with emphasis in test driven coding methodology
  • Balance time to market (client delivery) with proper governance, compliance and audit mandates
  • Mentor junior developer Education BS/MS in Computer Science, Engineering or related Required Background: 5+ years of financial service experience Able to communicate effectively with the desk.

Strong design, coding, testing and debugging skills Strong experience in front office trading system with emphasis on E-Trading Programming Languages – Java (10+ years), Python a plus.

  • Must have general Fixed Income Pricing and Analytic knowledge
  • Must have strong multithreaded programming experience
  • Must have knowledge of Credit Buy-Side/Sell-Side market structure
  • Knowledge of FIX protocol a plus
  • Knowledge of ION or Broadway API a plus
  • Knowledge of KDB/Q a Strong plus Primary Location Full Time Salary Range of $175,000 - $225,000.

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