Full Stack Engineer – Application Modernisation

Posted time November 6, 2026 Location Sydney Job type Full-time

Job Description..

Essential Criteria :

  • Strong .NET / C# backend engineering experience.
  • Strong hands-on experience with React and Next.js.
  • Experience designing and developing REST APIs and backend services.
  • Experience developing and integrating GraphQL APIs.
  • Strong JavaScript / TypeScript skills.
  • Experience integrating front-end applications with .NET services and downstream systems.
  • Experience modernising legacy applications/screens to modern web architectures.

Key Responsibilities :

  • Migrate existing CommSee Classic screens to CommSee 2.0.
  • Develop modern UI components using React / Next.js.
  • Build and enhance backend services using .NET / C#.
  • Develop and integrate REST / GraphQL APIs.
  • Integrate applications with existing service domains and downstream systems.
  • Support end-to-end development, integration testing and defect resolution.