Senior Software Engineer (.NET / Integration)
Sydney or Melb | Hybrid (3 days in office)
Build the integration platform behind one of Australia's largest technology businesses. Most backend engineering roles focus on delivering features. This one is about building the secure integration and API platforms that connect products, partners and customers at scale.
You'll join a high-performing engineering team responsible for the services that power authentication, secure API access and system integrations across a large consumer technology platform. With major platform initiatives underway, you'll be working on complex backend engineering challenges involving distributed systems, cloud-native architecture and secure B2B integrations.
If you've worked on Open Banking, Consumer Data Right (CDR), API platforms, developer portals or large-scale integration projects, this is the kind of workplace you'll feel at home in.
The Role
This is a hands-on Senior Software Engineer position where you'll own medium-sized initiatives from design through to production.
You'll work alongside experienced engineers building secure backend services, modern APIs and event-driven integrations, while helping shape engineering standards and mentoring other developers across the team.
You'll Be Working On
Designing and building scalable backend services using C# and .NET
Developing secure APIs and integration platforms




Building authentication and authorisation into customer and partner-facing services
Delivering event-driven microservices in a cloud-native environment
Improving platform reliability, scalability and engineering quality
Collaborating with engineering teams across Australia and internationally
Mentoring engineers through design reviews and technical coaching
About You
You'll be a strong backend engineer who enjoys solving complex integration problems and building secure, scalable platforms.
Ideally you'll have experience with:
C# / .NET 8+ and ASP.NET Core
API development and backend integration
Microservices and distributed systems
Event-driven architecture
Strong software design and architecture skills
Experience in any of the following would be highly regarded:
Open Banking or Consumer Data Right (CDR)
API Platforms or Developer Portals
B2B integrations
Identity and Access Management
Identity platforms such as Auth0, Cognito, Okta or Duende IdentityServer
Public-facing SaaS or consumer technology platforms
Why Join?
Work on large-scale, high-traffic backend platforms
Modern engineering environment using .NET, cloud and distributed architectures
Complex technical challenges with genuine architectural ownership
Collaborative engineering culture with strong technical leadership
Clear progression into Staff, Principal or Technical Leadership pathways
Competitive salary, bonus and hybrid working
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📌 Senior Software Engineer (.Net / Integration) (Melbourne)
🏢 Latitude IT
📍 Melbourne