Sydney | Hybrid 50% onsite | Permanent | $200K+ super

Platform Engineer — C# .NET, AWS, Terraform

Sydney | Hybrid 50% onsite | Permanent | $200K+ super

The opportunity

We're partnering with a leading Australian financial services organisation on a major engineering program: building a next-generation cloud platform from the ground up. It's a large-scale re-architecture that will underpin the organisations AI and digital ambitions for years to come.

What you'll do
Build and evolve high-performance services and APIs in up-to-date C# and .NET
Design and deliver cloud infrastructure as code with Terraform, including reusable modules for other teams to adopt
Architect and build solutions across AWS compute, networking and data services
Take full ownership of what you build, from design through to production
Ramp up quickly and contribute from day one
Help shape the platform's architecture, engineering standards and performance
Make AI tools a core part of how you analyse problems and write code

What you'll bring
Extensive commercial experience with C# and .NET Core,



including APIs and microservices
Robust hands-on Terraform experience, ideally including building and versioning reusable modules
Broad, practical AWS knowledge across networking, IAM, compute, data and security
Experience designing and building CI/CD pipelines, not just using them
A solid grounding in software design principles such as SOLID and Clean Architecture
Solid experience with relational or document databases (e.g. Postgres, Aurora, SQL Server)
A proven track record of taking complex systems from concept to production
The ability to turn high-level requirements into well-designed, working solutions with minimal guidance

Nice to have
Amazon Bedrock or production GenAI/agentic experience
AWS data and streaming services (e.g. Athena, Glue, Kinesis)
Scripting in Python, Bash or PowerShell
Observability tooling (e.g. Grafana, Prometheus)
Database migration tools (e.g. Liquibase, Flyway)
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📌 Staff Engineer — C#, Aws, Terraform Sydney
🏢 Nuage Technology Group
📍 Sydney