This is: the job

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

This is: what you’ll need

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

This is: the perks

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

This is: for good

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: ***email_hidden***

C# Software Engineer

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