Full Stack Developer - FIT

Mcmservices; Adelaide; On-site; AUD 90,000 - 130,000; Full time

Job summary

McMahon Services in Adelaide is leading a multi-year digital transformation, expanding its internal software development capability. We're seeking an experienced Full Stack Developer to join our growing technology team to work on large-scale greenfield projects that will transform how we manage projects, finance, and operations.

You'll design and build modern enterprise applications, collaborate with business leaders and end users, and contribute across the full SDLC, including backend services

Qualifications

• Proven experience with C#/.NET and API development.
• Strong Angular or modern front-end framework skills.
• Experience designing relational databases and SQL Server models.
• Ability to work with stakeholders to deliver fit-for-purpose solutions.

Responsibilities

• Develop backend services, APIs and integrations using C# and .NET.
• Build and maintain Angular front-end applications.
• Design and optimize SQL Server databases and data models.
• Collaborate across teams to deliver scalable enterprise applications.
• Participate in design, testing, deployment and support.

Skills

C# and .NET

Angular

SQL Server

API development

Cloud delivery

Enterprise app development

Cross-functional collaboration

Tools

Visual Studio

Azure

Job description

McMahon Services is undertaking a significant multi-year digital transformation program and is expanding its internal software development capability.

We are seeking expressions of interest from an experienced Full Stack Developer to join our growing technology team in Adelaide.

This is an exciting opportunity to work on multiple large-scale greenfield projects that will transform how we manage projects, finance, commercial operations and business processes across the organisation.

Working closely with business leaders and end users, you'll help design and build modern enterprise applications that will drive long-term digital capability across the business.

Why Join Us?

This is more than a project role.

We're establishing a long-term internal development capability to support an extensive pipeline of technology initiatives, providing ongoing opportunities to innovate, influence and grow.

You will work with:

• Modern web application technologies
• Enterprise-scale business systems and integrations
• Automated workflow orchestration platforms
• AI-assisted development tools and engineering practices
• Emerging agentic and AI-enabled capabilities
• Modern software delivery, DevOps and cloud-based technologies

You’ll contribute across the full software development lifecycle, including:

• Building backend services, APIs and integrations using C# and .NET
• Developing modern Angular front-end applications
• Designing and maintaining SQL Server databases and data models
• Integrating enterprise platforms and business systems
• Collaborating with stakeholders to deliver fit-for-purpose solutions
• Participating in solution design, testing, deployment and support

About You

We'd love to hear from professionals who have experience with:

• C# and .NET development
• Angular or modern front-end frameworks
• SQL Server and relational database design
• API development and system integration
• Cloud and modern software delivery practices
• Enterprise application development
• Strong communication skills, commercial awareness and a collaborative approach are highly valued.

About McMahon Services

McMahon Services is one of Australia’s leading privately owned industrial services and construction businesses. We deliver complex projects across civil infrastructure, environmental remediation, demolition, decommissioning, asset management, recycling and disposal for major industry, government and Defence clients across Australia.

Guided by our RISE values of Reputation, Integrity, Safety and Excellence, we deliver complex projects that create lasting value for our clients, communities and people.

Behind the trucks, plant and people sits a growing internal technology capability. We are investing significantly in modern tooling, structured data and AI-assisted delivery to support how our business operates and scales.

No recruitment agencies please.

At McMahon Services, we embrace diversity and inclusion as fundamental values. We believe that a diverse workforce fosters innovation, creativity and a deeper understanding of the communities we serve. We are committed to creating an inclusive environment where all employees feel valued, respected and empowered to contribute their unique perspectives and talents. We encourage applications from people of all backgrounds, identities and experiences.