.NET & React Developer — Federal Transformation (Melbourne)

FinXL IT Professional Services; Melbourne; On-site; AUD 90,000 - 130,000; Full time

Job summary

FinXL IT Professional Services seeks a Mid-level .NET & React Developer to join a major federal government financial regulator in Melbourne. You will design, develop, and maintain secure web apps, APIs, and services, delivering end-to-end features and aligning with DevOps, accessibility, and security standards.

The role requires 5+ years of production web app experience with C#, .NET/ASP.NET Core, and React.

Qualifications

• Minimum 5+ years of commercial software development experience delivering production web applications.
• Proven experience with C#, .NET/ASP.NET Core, React and REST APIs to independently deliver end-to-end features.
• Experience using Claude Code for development, analysis, debugging, and testing, and validating AI-generated solutions.

Responsibilities

• Develop, test, and maintain secure, scalable web applications using C#/.NET and React per designs and standards.
• Build and integrate REST APIs, backend services, and reusable front-end components with end-to-end delivery ownership.
• Translate requirements into working software, collaborating with senior developers and technical leads as needed.
• Utilise Claude Code to accelerate development, debugging, refactoring, testing, and documentation.
• Review AI-generated code for accuracy, security, and adherence to enterprise standards.
• Write unit and automated tests; participate in peer reviews; use CI/CD and DevOps practices to deploy changes.
• Ensure functionality complies with WCAG, security, privacy, and coding standards.
• Investigate defects and production issues; escalate complex problems when required.
• Create and maintain technical documentation and contribute to process improvements.

Skills

C#

ASP.NET Core

React

REST APIs

Git

CI/CD

DevOps

Agile

Automated testing

Unit testing

Education

Formal tertiary qualification in IT/Software Engineering/CS

Tools

Claude Code

Job description

FinXL IT Professional Services seeks a Mid-level .NET & React Developer to join a major federal government financial regulator in Melbourne. You will design, develop, and maintain secure web apps, APIs, and services, delivering end-to-end features and aligning with DevOps, accessibility, and security standards.

The role requires 5+ years of production web app experience with C#, .NET/ASP.NET Core, and React.