Senior .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 Senior .NET & React/Claude Developer to join our client-a major federal government financial regulator dedicated to ensuring a fair, strong, and productive financial system. Assigned to a large-scale transformation program within the Digital Applications team, you will lead a small development squad in designing, building, and deploying secure, scalable web applications and digital services. In this role, you will champion modern DevOps and AI-assisted development practices (specifically leveraging Claude Code across the SDLC) while providing hands-on technical leadership and mentoring across the engineering team.

Key Responsibilities

- Develop, unit test, and deploy secure, maintainable, and scalable .NET and React applications while providing technical leadership and mentoring to a small development team.
- Drive and uplift the adoption and effective use of Claude Code across .NET and React development, testing, large-scale refactoring, and technical documentation.
- Establish effective AI-assisted software development practices and governance controls across the SDLC to ensure AI-generated code meets quality, security, and maintainability standards.
- Translate business and technical requirements into comprehensive solution designs, technical designs, and implementation approaches aligned with enterprise architecture standards.
- Lead technical design sessions, code reviews, and proofs of concept, establishing reusable patterns, components, and engineering best practices.
- Ensure all delivered solutions comply with architecture, WCAG accessibility, security, privacy, and coding standards.




- Lead the resolution of complex technical challenges, including application performance bottlenecks, system integrations, technical debt, and production incidents.
- Continuously improve engineering practices, tools, and delivery processes through coaching, knowledge transfer, and technical advice.

Key Requirements

- Minimum of 7+ years of commercial software development experience delivering complex, production-grade applications, backed by demonstrated technical leadership.
- Advanced hands-on experience with C#, .NET / ASP.NET Core, React, and REST APIs, including designing complex applications and system integrations.
- Advanced, practical experience using Claude Code across the SDLC (solution analysis, implementation, refactoring, debugging, and testing), paired with the ability to review and govern AI-generated code.
- Strong knowledge of software architecture and design principles, with proven experience defining solution designs, patterns, and technical approaches.
- Demonstrated experience leading Agile technical delivery, including sprint planning, estimation, risk management, and continuous improvement.
- Strong proficiency with code reviews, automated testing, Git, CI/CD pipelines, and modern DevOps practices.
- Exceptional analytical, problem-solving, and stakeholder communication skills, with the ability to translate complex technical details for 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 prospect sounds like the challenge you have been looking for, please apply online today. Please note, only shortlisted individuals will be contacted. M10.

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