This is a senior contract opportunity for a C# engineer to help take a proven application into a stable, scalable production environment. Working alongside an experienced engineering lead, you will play a key role in shaping a real-time, device-driven application used directly by operational teams.
This contract role focuses on evolving a production-bound platform, improving user workflows, strengthening integrations, and ensuring reliability at scale. You will work across frontend, backend, and cloud, contributing to both technical direction and hands-on delivery.
This is an ideal role for someone who enjoys solving practical problems, working across systems, and building applications that are actively used in day-to-day operations.
This is: what you’ll do
- Lead delivery of complex features from design through to deployment and production support
- Build and refine Blazor and MAUI Blazor Hybrid applications for Android and Windows environments
- Design and improve real-time communication flows using WebSockets and resilient client handling
- Integrate application layers with backend APIs and external data services
- Develop and enhance C# .NET services within AWS serverless architecture
- Design scalable APIs and event-driven integrations that support operational workflows
- Diagnose and resolve production issues using logs, metrics, and tracing tools
- Collaborate with engineers to uplift code quality, maintainability, and testing practices
- Mentor junior and mid-level developers through reviews, pairing, and technical guidance
- Strong C# and .NET experience including .NET 8+ and ASP.NET Core
- Proven experience with Blazor and ideally MAUI Blazor Hybrid applications
- Experience building real-time systems using WebSockets or similar technologies
- Solid API design experience including REST, authentication, and versioning
- Hands-on AWS serverless experience including Lambda, API Gateway, and DynamoDB
- Experience with event-driven architecture and integration patterns
- Exposure to mobile or device-based application development, ideally Android or Windows
- Experience with CI/CD pipelines and infrastructure as code
- Strong problem-solving skills and the ability to support production systems confidently
- High-impact role delivering a production-critical application used by frontline teams
- Strong technical ownership across frontend, backend, and cloud architecture
- Opportunity to shape a system moving from concept into scalable production
- Senior-level influence with hands-on engineering and mentoring responsibilities
Apply with purpose. Be part of a placement that gives back. For every role we fill, we donate to a charity of the client’s choice. We’ve surpassed $1 million donated and we’re just getting started.
This is: what's next
Apply now or reach out to:
Lory Corvera
Recruitment Consultant, Natural Selection Group
M: +61 3 9087 4194
E: lory.corvera@naturalselectiongroup.com.au