Trading Application Support Engineer (Graduate opportunity)

About Caxton Associates:

Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit the specific needs of investors. Employing a multi-portfolio manager framework, Caxton excels in discretionary global macro investing, leveraging its diversified expertise across asset classes and markets.

About the Role:

We are seeking a Trading Support Engineer to join the London Tradeflow team and support front-office trading operations, ensuring reliable order and execution flow across internal and external trading systems.

This is a hands-on production support role focused on monitoring live trading activity, analysing order and execution flow, and troubleshooting issues across FIX connections and internal systems. You will work closely with trading, operations, and global technology teams to ensure timely and accurate trade processing

The role requires strong attention to detail, clear communication, and the ability to operate calmly in a time-sensitive environment.

Responsibilities:

• Proactively monitor system performance and health, identifying and resolving issues before they affect trading.

• Provide first-level troubleshooting for vendor and in-house applications, escalating complex cases when necessary.
• Act as the primary contact for trading application issues across both proprietary and vendor platforms (eg. BidFx, Tradeweb, Orchestrade or Trading Technologies).
• Build and maintain strong partnerships with external vendors to ensure efficient problem management.
• Partner with traders and middle office staff to align application configurations with business needs.
• Participate in system upgrades, enhancements, and UAT testing, ensuring seamless integration into production.
• Conduct regular system checks and performance analysis to optimize reliability and speed.
• Provide training and support to traders and portfolio managers on trading applications and tools.
• Displays and operates at the highest degree of ethics and integrity.

• Scripting skills (Python, PowerShell, Shell) to automate support tasks.
• Strong troubleshooting skills across multi-system environments (including vendor systems).
• Strong communication skills — able to translate technical detail into business language.
• 0-2 years of trading or application support experience, ideally within a hedge fund, investment bank, or trading platform provider.
• Degree in Computer Science, Physics, Mathematics or any related field
• Prior internship or experience in a bank, hedge fund, broker, or trading environment is preferred

Nice-to-Haves:

• Solid understanding of trading operations and commonly used front-office applications.
• Hands-on expertise with at least two of: EMSX, Tradeweb, Orchestrade, BidFx, TS Imagine, Trading Technologies, Noevest
• Proven experience managing vendor relationships and escalation processes.
• Working knowledge of SQL, APIs, and FIX protocols.
• Demonstrated adaptability and willingness to learn new platforms quickly.
• Experience across other e-trading platforms, either buy-side, sell-side, or vendor.
• Knowledge of messaging protocols (RMQ, MQ).