Junior .NET Developer & React/Claude Developer

FinXL IT Professional Services; Melbourne; On-site; AUD 65,000 - 90,000; Full time

Benefits offered by this job

Security clearance support

Job summary

FinXL IT Professional Services is seeking a motivated Junior .NET Developer & React/Claude Developer to join a federal government regulatory program based in Melbourne. You will support the design, development, and maintenance of secure web applications and digital services using C#, .NET, React, and Claude Code.

Work alongside senior developers in an Agile environment, applying DevOps practices and modern tooling to deliver scalable software while growing your engineering capabilities.

Qualifications

• Minimum 3+ years of commercial software development experience (web).
• Experience with C#, .NET/ASP.NET Core, React, REST APIs.
• Practical Claude Code experience for development, debugging, and documentation.

Responsibilities

• Develop and maintain web application features using C#/.NET and React.
• Write clear, maintainable code following established standards and designs.
• Develop and consume REST APIs across data and integrations.
• Review AI-generated code for quality and safety before implementation.
• Write unit tests and participate in peer code reviews to improve quality.
• Utilise Git, CI/CD pipelines, and automated build/deploy processes.

Skills

C#

React

REST APIs

Git

CI/CD

Unit testing

Agile

JavaScript

Problem solving

Education

Bachelor's degree in IT/CS

Tools

Claude Code

Job description

Junior .NET Developer & React/Claude Developer

FinXL IT Professional Services is a leading IT and business consultancy that partners with top-tier clients to bridge the gap between business needs and creative, digital capabilities. Since 2003, we've been delivering high-value solutions across financial services, telecommunications, government, retail, and enterprise sectors.

We are seeking a motivated Junior .NET & React/Claude Developer to join our client-a major federal government financial regulator dedicated to ensuring a fair, strong, and efficient financial system. Assigned to a large-scale transformation program within the Digital Applications team, you will support the design, development, and maintenance of secure, maintainable web applications and digital services. Working closely with senior developers and technical leads, you will apply modern DevOps practices and leverage AI-assisted development tools such as Claude Code to build clean, scalable software while rapidly growing your engineering capabilities.

Key Responsibilities

• Develop and maintain web application features using C#/.NET and React with guidance from senior developers and technical leads.
• Write clear, maintainable code in strict accordance with established coding standards, application patterns, and technical designs.
• Develop and consume REST APIs while working across application data and system integrations as required.
• Utilise Claude Code appropriately to assist with code analysis, feature development, debugging, testing, and technical documentation.
• Carefully review and understand AI-generated code prior to implementation, seeking guidance whenever the solution or impact is unclear.
• Write unit tests, resolve defects, and actively participate in peer code reviews to elevate code quality and technical skills.
• Utilise modern development tools and practices including Git, CI/CD pipelines, and automated build and deployment processes.
• Ensure all application changes meet applicable security, privacy, accessibility, and WCAG requirements with support from senior team members.
• Investigate and resolve routine application defects and technical issues, escalating complex blockers to senior developers when appropriate.
• Maintain technical documentation and actively build your expertise in .NET, React, Claude Code, and modern software engineering practices.

Key Requirements

• Minimum of 3+ years of commercial software development experience building web applications.
• Hands‑on experience with C#, .NET / ASP.NET Core, React, and REST APIs, with the ability to deliver features using established patterns.
• Practical experience using Claude Code for software development, debugging, testing, and documentation, paired with the ability to review and understand generated code.
• Experience working within an Agile development team, participating in sprint planning, estimation, daily stand‑ups, reviews, and retrospectives.
• Working knowledge of software design principles, reusable components, and common development patterns.
• Hands‑on experience with Git, code reviews, unit testing, and CI/CD workflows.
• Strong analytical, problem‑solving, and communication skills, with the ability to work independently with limited supervision and clearly communicate technical details to stakeholders.
• Australian Citizenship is mandatory, along with the ability to undergo and pass a Baseline Security Clearance and suitability assessment.
• Formal tertiary qualification in Information Technology, Software Engineering, Computer Science, or a related discipline.
• Prior experience working within a federal government agency, regulatory body, or large financial services transformation program.

This role is open to Australian Citizens in Melbourne only due to security clearance requirements.