Senior Backend Engineer .NET | React/Next.js APIs

The HR Ally; Sydney; On-site; AUD 120,000 - 160,000; Full time

Job summary

The HR Ally is seeking a Backend Engineer to join our Sydney-based team. You will design and implement backend services in .NET/C#, build REST and GraphQL APIs, and ensure seamless integration with front-end applications and downstream systems.

As an 8+ years experienced professional, you will migrate legacy CommSee Classic screens to CommSee 2.0, develop modern UI components with React/Next.js, and support end-to-end development, testing, and defect resolution in a collaborative, fast-paced

Qualifications

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

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.

Tools

React

Next.js

REST APIs

GraphQL

.NET

C#

Job description

The HR Ally is seeking a Backend Engineer to join our Sydney-based team. You will design and implement backend services in .NET/C#, build REST and GraphQL APIs, and ensure seamless integration with front-end applications and downstream systems.

As an 8+ years experienced professional, you will migrate legacy CommSee Classic screens to CommSee 2.0, develop modern UI components with React/Next.js, and support end-to-end development, testing, and defect resolution in a collaborative, fast-paced