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BackEnd Developer

The HR Ally


Job Location:

Sydney - Australia

Monthly Salary: Not provided by the employer
Posted: 6 November 2026 (Yesterday)
Application Deadline: 3 February 2027
Vacancies: 1 Vacancy

Job Summary

Role: Backend
Experience: 8Years
Location: Sydney
Job Type: Full Time (Permanent)

Must-have Stack: React JavaScript/ C# REST APIs GraphQL Full Stack Engineering Application Modernisation

Essential Criteria:

  • / C# backend engineering experience.
  • Strong hands-on experience with React and .
  • Experience designing and developing REST APIs and backend services.
  • Experience developing and integrating GraphQL APIs.
  • Strong JavaScript / TypeScript skills.
  • Experience integrating front-end applications 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 / .
  • Build and enhance backend services / 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.