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

Platform Engineer — C# .NET, AWS, Terraform

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

The prospect 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 modern 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 Haymarket (Australia)
🏢 Nuage Technology Group
📍 Australia