Job Description – Senior .NET Developer with React & AWS

Role: Senior Full Stack .NET Developer (React + AWS)

Location: Australia

Employment Type: Contract / Permanent

Overview

We are seeking an experienced Senior Full Stack .NET Developer with strong expertise in C#, .NET Core, React, and AWS cloud services to design, develop, and deliver scalable enterprise applications. The ideal candidate will have hands‑on experience building modern web applications, cloud‑native solutions, and API‑driven architectures while working within Agile delivery environments.

Key Responsibilities

- Design, develop, and maintain enterprise applications using C#, .NET Core/.NET 6+ and React.js.
- Develop and integrate RESTful APIs, microservices, and backend services using .NET technologies.
- Design and deploy cloud-based solutions leveraging AWS services.
- Implement secure,



scalable application architectures following cloud and software engineering best practices.
- Work with databases including SQL Server, PostgreSQL, or NoSQL databases.
- Develop automated unit tests, integration tests, and ensure application quality.
- Participate in code reviews, technical discussions, and solution design activities.
- Collaborate with architects, business stakeholders, testers, and DevOps teams.
- Troubleshoot performance issues and optimise applications for reliability and scalability.
- Contribute to CI/CD pipelines and DevOps practices.

Mandatory Skills

- Robust experience with C# and .NET Core / .NET 6+
- Extensive hands‑on experience with React.js
- Experience developing REST APIs and microservices
- Solid understanding of AWS cloud services, including:

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📌 Senior .NET Developer with React & AWS/.Net Fullstack Developer (City of Sydney)
🏢 Renaissance InfoSystems
📍 City of Sydney