Senior .NET Developer

Hydrogen Group ·www.hydrogengroup.com

Location Sydney CBD, New South Wales, Australia
Salary AUD 800 - 900 / month
Type Full time
Level Senior
Source Shazamme
Technology
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About the Role

We're currently looking for a Senior .Net Developer to undertake an initial 6 month contract for scale up, fintech in Sydney. They are ideally looking for an experienced engineer with a strong background in application development on complex, scaled systems hosted on Azure. You will work closely with cross-functional teams to deliver reliable, resilient, and maintainable solutions.

Key Responsibilities

  • Design, develop, and maintain backend services using .NET / .NET Core (C#)
  • Build and support event-driven systems using message brokers and streaming platforms
  • Implement asynchronous, decoupled communication patterns (e.g., publish/subscribe, event sourcing, CQRS where applicable)
  • Develop and maintain RESTful APIs and/or gRPC services
  • Integrate with databases (SQL and NoSQL) and optimize data access
  • Ensure system reliability, scalability, and fault tolerance
  • Write clean, testable, and well-documented code
  • Collaborate with frontend developers, DevOps, and product teams
  • Participate in code reviews and contribute to architectural decisions
  • Monitor, troubleshoot, and improve system performance in production

Required Background:

  • Strong experience with C# and .NET / .NET Core
  • Hands-on experience with event-driven architecture
  • Experience with messaging and streaming technologies such as:
    • Azure Service Bus, Event Grid, Event Hubs
    • RabbitMQ, Apache Kafka, or similar
  • Solid understanding of asynchronous programming and concurrency
  • Experience building APIs using ASP.NET Core
  • Strong knowledge of relational databases (e.g., SQL Server, PostgreSQL)
  • Familiarity with unit testing and integration testing
  • Understanding of software design principles and patterns
  • Experience with version control systems (e.g., Git)

Preferred:

  • Experience with cloud platforms (Azure preferred, AWS/GCP acceptable)
  • Knowledge of microservices architecture
  • Familiarity with Docker and container orchestration (Kubernetes)
  • Experience with CI/CD pipelines
  • Exposure to Domain-Driven Design (DDD)
  • Monitoring and observability tools (Application Insights, Prometheus, Grafana, etc.)

...

Frequently asked questions

Who is hiring for the Senior .NET Developer role?
Hydrogen Group is hiring for the Senior .NET Developer position, a Shazamme client. Apply directly on the employer's career site.
Where is the Senior .NET Developer job located?
The Senior .NET Developer role with Hydrogen Group is based in Sydney CBD, NSW, AU.
What does the Senior .NET Developer role pay?
Hydrogen Group lists the Senior .NET Developer role at AUD 800–900 per month.
Is the Senior .NET Developer role full-time or contract?
This is a full time position at Hydrogen Group.
What experience level is the Senior .NET Developer role?
The Senior .NET Developer position is aimed at senior-level candidates.
How do I apply for the Senior .NET Developer role at Hydrogen Group?
Apply directly on Hydrogen Group's career page via the Apply button on this listing. ZammeJobs links straight through to the employer's ATS — no third-party form, no resume database.
Apply direct