Mid-level .NET & React/Claude Developer

Contract | Hybrid

Overview

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 an experienced Mid-level .NET & React 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 design, develop, and maintain secure, scalable web applications and digital services. In this role, you will independently deliver end-to-end features, apply modern DevOps practices, and leverage AI-assisted development tools such as Claude Code to produce high-quality, maintainable software.

Key Responsibilities

- Develop, test, and maintain secure, scalable web applications using C#/.NET and React in accordance with established designs and development standards.
- Build and integrate REST APIs, backend services, and reusable front-end components, taking ownership of end-to-end feature delivery.
- Translate business and technical requirements into working software, collaborating with senior developers and technical leads as required.
- Utilise Claude Code to accelerate code analysis, feature implementation, debugging, refactoring, testing, and technical documentation.
- Critically review and validate AI-generated code to ensure accuracy, maintainability, security, and strict alignment with enterprise development standards.
- Write unit and automated tests, participate in peer code reviews, and utilise CI/CD and DevOps practices to build, test, and deploy application changes.
- Ensure all delivered functionality complies with WCAG accessibility, security, privacy, and coding standards.
- Investigate and resolve application defects,



integration issues, and production support queries, escalating complex problems where appropriate.
- Create and maintain technical documentation while contributing to the continuous improvement of applications, development practices, and team processes.

Key Requirements

- Minimum of 5+ years of commercial software development experience delivering production web applications.
- Strong hands-on experience with C#, .NET / ASP.NET Core, React, and REST APIs, with a proven ability to independently deliver end-to-end features.
- Strong front-end proficiency across React, TypeScript/JavaScript, HTML5, and CSS, including reusable component development.
- Practical experience using Claude Code independently for development, analysis, debugging, refactoring, and testing, paired with the ability to validate generated solutions.
- Positive knowledge of software design principles and patterns, with the ability to apply them independently to technical solutions.
- Demonstrated experience working in Agile teams, contributing to sprint planning, estimation, backlog refinement, and delivery.
- Strong proficiency with Git, peer code reviews, automated testing, CI/CD pipelines, and modern DevOps practices.
- Strong analytical, problem-solving, and communication skills, with the ability to work independently with limited supervision and clearly convey technical details to business stakeholders.
- Australian Citizenship is mandatory, along with the ability to undergo and pass a Baseline Security Clearance and suitability assessment.

Desirable Skills

- 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.

If this opportunity sounds like the challenge you have been looking for, please apply online today. Please note, only shortlisted individuals will be contacted. M10.

📌 Mid-Level .NET & React/Claude Developer (Melbourne)
🏢 FinXL IT Professional Services
📍 Melbourne