Software Engineer: Low-Latency Exchange Connectivity

Nine Mile, Inc; Sydney; On-site; AUD 150,000 - 210,000; Full time

Job summary

Nine Mile is seeking a Software Engineer to join our Sydney-based team, focused on Exchange Connectivity and Market Data. You will build and maintain low-latency connections to global venues, manage FIX broker integrations, and drive exchange upgrades from inception to delivery.

You will work across real-time production issues and longer-term infrastructure projects, with a strong emphasis on performance tuning and robust data distribution in a fast-paced trading environment.

Qualifications

• Development experience in Java or C++ is expected.
• Experience in a High Frequency Trading or low-latency trading environment is preferred.
• Familiarity with Windows and Linux environments is required.
• Strong understanding of network protocols and market data distribution is beneficial.

Responsibilities

• Build and maintain low-latency connections to global trading venues including order gateways and market data feeds.
• Coordinate connectivity with FIX brokers from inception to delivery across multiple projects.
• Manage exchange upgrade and onboarding initiatives.
• Monitor and analyse exchange-facing and market data components; implement optimisations for performance.
• Contribute to real-time production issue resolution and longer-term infra work.
• Tune performance to maximise throughput and minimise latency across data and order routing systems.

Skills

Java

C++

Python

HFT experience

Windows/Linux

Education

Bachelor's degree in Computer Science or related field

Tools

ITCH

OUCH

FLEX

Arrowhead

JGATE

OMNET

FIX

Job description

Nine Mile is seeking a Software Engineer to join our Sydney-based team, focused on Exchange Connectivity and Market Data. You will build and maintain low-latency connections to global venues, manage FIX broker integrations, and drive exchange upgrades from inception to delivery.

You will work across real-time production issues and longer-term infrastructure projects, with a strong emphasis on performance tuning and robust data distribution in a fast-paced trading environment.