Senior Software Engineer - FIX Trading Systems

Profusion; Sydney; On-site; AUD 140,000 - 190,000; Full time

Job summary

Profusion partners with a leading financial services provider to appoint a Senior Software Engineer in the Electronic FIX Trading division. This role offers exposure to high-performance trading systems at the intersection of technology and markets.

You will design and implement electronic trading workflows, integrate with market venues, and maintain FIX connectivity on Linux. Strong Java and/or C++ skills and experience with ION, FIX, and pricing platforms are essential.

Qualifications

• Experience in electronic trading systems within financial markets.
• Strong Java and/or C++ development.
• Linux production support experience.
• Experience with pricing, quoting, RFQ, and execution platforms.

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.

Skills

Java

C++

Electronic trading

Linux ops

Tools

FIX protocol

ION platform

KDB+/Q

Bloomberg data

Job description

Profusion partners with a leading financial services provider to appoint a Senior Software Engineer in the Electronic FIX Trading division. This role offers exposure to high-performance trading systems at the intersection of technology and markets.

You will design and implement electronic trading workflows, integrate with market venues, and maintain FIX connectivity on Linux. Strong Java and/or C++ skills and experience with ION, FIX, and pricing platforms are essential.