Senior Full-Stack Engineer - React/Next + .NET (Sydney)

Tata Consultancy Services Limited; Sydney; On-site; AUD 160,000 - 210,000; Full time

Job summary

Tata Consultancy Services (TCS) Australia is seeking a senior frontend/backend engineer in Sydney with 8+ years experience to migrate CommSee 1.0 to 2.0, develop UI in React/Next.js, and build REST/GraphQL APIs and .NET services.

You will work with existing service domains, collaborate with teams, and contribute to cutting-edge web architectures while growing your career in a supportive, globally integrated environment.

Qualifications

• 8+ years of software development experience.
• Strong hands-on with React and Next.js.
• Experience designing REST APIs and backend services.
• Experience developing GraphQL APIs.
• Experience integrating front-end with .NET services.
• Modernising legacy applications 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.

Skills

React

Next.js

REST APIs

GraphQL APIs

.NET/C#

Legacy modernization

Job description

Tata Consultancy Services (TCS) Australia is seeking a senior frontend/backend engineer in Sydney with 8+ years experience to migrate CommSee 1.0 to 2.0, develop UI in React/Next.js, and build REST/GraphQL APIs and .NET services.

You will work with existing service domains, collaborate with teams, and contribute to cutting-edge web architectures while growing your career in a supportive, globally integrated environment.