We are partnering with a leading financial services organisation to appoint a Senior Software Engineer within their Electronic FIX Trading division. This is a unique opportunity to work at the intersection of technology and markets, delivering high-performance trading solutions while collaborating closely with traders, quantitative analysts, and engineering teams.

Key Responsibilities
Design, develop, and support electronic trading solutions across Fixed Income products.
Build scalable, resilient, and high-performance pricing and execution services.
Develop and maintain electronic RFQ, quoting, pricing, and execution workflows.
Integrate trading platforms with market venues, market data feeds, pricing engines, risk platforms, and downstream systems.
Develop and maintain connectivity using FIX and other financial messaging protocols.
Support and enhance ION-based trading technologies and integrations.

About You
Solid software engineering expertise in Java and/or C++.




Proven experience developing electronic trading systems within financial markets.
Solid understanding of Fixed Income products and electronic trading workflows.
Experience building or supporting pricing, quoting, RFQ, and execution platforms.
Solid knowledge of FIX protocol, market connectivity, and financial messaging.
Experience designing distributed, event-driven, and real-time systems.
Robust Linux and production support engineering skills.

Highly Regarded
Experience with ION electronic trading platforms.
Knowledge of ION components including Curve Server, PXE, VMQ, and Gateway.
Understanding of Fixed Income pricing, curve construction, and pricing engines.
Exposure to Government Bonds, Credit, and Rates products.
Experience with Bloomberg technologies and market data platforms.
Knowledge of KDB+/q and real-time analytics platforms.

📌 Senior Software Engineer Southern Sydney (Australia)
🏢 Profusion
📍 Australia