Junior .NET / React Developer - Immediate Start - $Exc

FinXL AU; Sydney; On-site; AUD 70,000 - 110,000; Full time

Job summary

FinXL Professional Services in Sydney, NSW, is seeking a Junior .NET & React Developer to join our consulting team and contribute to a major government transformation. You will develop and maintain web applications using C#, .NET Core, and React, while building REST APIs and integrating data.

You will work in an Agile environment, write unit tests, participate in code reviews, and use Git, CI/CD, and AI-assisted tools such as Claude Code.

Qualifications

• 3+ years of commercial experience building modern web applications.
• Proficiency in C#, .NET / ASP.NET Core, React, and REST APIs.
• Strong skills in TypeScript, JavaScript, HTML5, and CSS.
• Experience with Git, unit testing, code reviews, and CI/CD workflows.
• Familiarity with AI-assisted development tools such as Claude Code.
• Experience working in Agile teams with strong problem-solving skills.
• Australian citizenship and eligibility for Baseline security clearance.

Responsibilities

• Develop and maintain web application features using C#, .NET, and React.
• Build and consume REST APIs and integrate application data as required.
• Use AI-assisted tools like Claude Code for coding, debugging, and testing.
• Write unit tests, resolve defects, and participate in team code reviews.
• Utilize Git, CI/CD pipelines, and automated build and deployment processes.
• Ensure code meets security, privacy, accessibility, and WCAG standards.
• Maintain technical documentation and collaborate within an Agile team.

Skills

C#

ASP.NET Core

React

REST APIs

TypeScript

JavaScript

HTML5/CSS3

Git

CI/CD

Agile

AI-assisted tools

WCAG & security

Tools

Claude Code

Job description

FinXL Professional Services is a leading IT consultancy that partners with clients to bridge the gap between business needs and technology capabilities. Since 2003, we've been delivering high-value ICT services across government, finance, telecommunications, and enterprise sectors.

FinXL is seeking a Junior .NET & React Developer to join our consulting team and be deployed with a leading government client on a key transformation engagement.

Responsibilities

• Develop and maintain web application features using C#, .NET, and React.

• Build and consume REST APIs and integrate application data as required.

• Use AI-assisted tools like Claude Code for coding, debugging, and testing.

• Write unit tests, resolve defects, and participate in team code reviews.

• Utilize Git, CI/CD pipelines, and automated build and deployment processes.

• Ensure code meets security, privacy, accessibility, and WCAG standards.

• Maintain technical documentation and collaborate within an Agile team.

Key Skills & Experience

• 3+ years of commercial experience building modern web applications.

• Proficiency in C#, .NET / ASP.NET Core, React, and REST APIs.

• Strong skills in TypeScript, JavaScript, HTML5, and CSS.

• Experience with Git, unit testing, code reviews, and CI/CD workflows.

• Familiarity with AI-assisted development tools such as Claude Code.

• Experience working in Agile teams with strong problem-solving skills.

• Australian citizenship and eligibility for Baseline security clearance.

Why Join FinXL?

• Work with a leading government client on major digital transformation

• Flexible consulting engagement supported by FinXL's specialist team

• Gain hands-on experience with .NET, React, and AI-assisted development