Job Description

NET / C# Full Stack Developer (Mid-Senior)

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We are an enterprise organisation seeking an experienced .NET / C# Full Stack Developer to join our technology team on an exciting greenfields build. Working from well-defined requirements provided by a dedicated architect and business analyst, you will focus purely on what you do best - writing high-quality code and ensuring the integrity of our AI-assisted development workflow.

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This is a modern development environment where AI tooling is used extensively to accelerate delivery. Your role will be central to maintaining code quality, reviewing AI-generated output for correctness, security, and compliance, and ensuring the codebase remains clean, consistent, and production-grade.

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You will work closely with a collaborative development team across a full .NET stack, building enterprise-grade applications backed by a robust PostgreSQL and Azure-hosted infrastructure.

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Key Responsibilities

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Develop high-quality .NET / C# applications following clean architecture principles (DAL, business logic, services)

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Implement data access layers using Entity Framework Core against PostgreSQL

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Build and integrate RESTful APIs as part of the broader enterprise system

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Review AI-generated code critically - assessing correctness, security, performance, and adherence to architectural standards

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Write and maintain automated tests using xUnit or NUnit, upholding a strong test culture throughout the project

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Work within GitHub Enterprise Cloud CI/CD pipelines, ensuring code quality gates and deployment standards are met

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Collaborate closely with fellow developers, the project architect,



and business analyst to deliver against requirements

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Maintain clear, consistent coding standards across a greenfields codebase

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Required Skills

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Must Have

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3-7 years of qualified .NET / C# development experience delivering production-grade systems

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Strong experience with full-stack .NET development - APIs, business logic, and data access layers

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Proficiency with Entity Framework Core and relational database development (PostgreSQL preferred)

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Solid RESTful API design and integration experience

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Demonstrated experience with automated testing - xUnit, NUnit, or equivalent - and a genuine commitment to test-driven culture

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Experience with CI/CD pipelines, preferably GitHub Enterprise Cloud

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Comfortable working in an AI-assisted development environment - reviewing, validating, and refining AI-generated code

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Highly Regarded

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Prior experience on greenfields enterprise builds

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MVVM pattern knowledge and Windows desktop development experience

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Familiarity with .NET MAUI, WPF, or other cross-platform / desktop frameworks

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What We Offer

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Permanent, full-time on-site role with long-term stability

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Modern, AI-assisted development environment with cutting-edge tooling

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Greenfields project - build something from the ground up, the right way

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Collaborative team with a dedicated architect and BA - you focus on code, not meetings

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Supportive workplace with opportunities for career development

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Work Rights: To be considered for this role, you must be an Australian Citizen, Permanent Resident, or hold a valid work visa with full working rights. We are unable to offer visa sponsorship.

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📌 NET / C# Full Stack Developer (Mid-Senior) (New South Wales)
🏢 Borger Crane Hire & Rigging Services
📍 New South Wales