Software Engineer - Trade Platform & Billing APIs

CoStar; Sydney; On-site; AUD 120,000 - 160,000; Full time

Benefits offered by this job

Extra days of annual leave

Leadership development programs

LinkedIn Learning

Perkbox discounts

Performance-based incentives

Job summary

Domain is seeking a Software Engineer to join the Trade Platform Team in Sydney. You will help develop and support the systems powering customer subscriptions, billing, entitlements, and agency integrations across Domain.

Working primarily with C# and .NET, you’ll contribute to platforms that manage billing, usage charges, and premium listing experiences, collaborating with product and engineering to deliver value at scale.

Qualifications

• Commercial experience developing applications with C# and .NET.
• Experience building and consuming RESTful APIs.
• Experience with SQL databases and distributed systems.

Responsibilities

• Develop, enhance, and maintain software solutions using C# and .NET.
• Support systems responsible for customer billing, usage charging, and subscription management.
• Build functionality for premium product features including listing prioritisation and entitlements.
• Maintain and improve agency booking APIs and integrations.
• Design, develop and support scalable applications from concept to production.
• Collaborate with Product, Engineering and stakeholders to deliver customer value.
• Troubleshoot, diagnose and resolve production issues.
• Contribute to code quality, testing, security and engineering best practices.
• Participate in a shared on-call roster supporting business-critical applications.
• Continuously improve platform performance, reliability and scalability.

Skills

C# & .NET

RESTful APIs

SQL databases

Cloud platforms

Agile methodologies

Problem solving

Continuous learning

Distributed systems

Code quality / testing

Job description

Domain is seeking a Software Engineer to join the Trade Platform Team in Sydney. You will help develop and support the systems powering customer subscriptions, billing, entitlements, and agency integrations across Domain.

Working primarily with C# and .NET, you’ll contribute to platforms that manage billing, usage charges, and premium listing experiences, collaborating with product and engineering to deliver value at scale.