At Centorrino Technologies (CT), we're more than just tech—we're a community that goes beyond expectations. We've been recognised as a Great Place to Work in 2025 and Top 5 Inspiring Workplaces for 2026, with an outstanding eNPS score of 68. And we're not stopping there.

We're on a mission to redefine the customer experience, and we are seeking an experienced Integration .NET Developer to join a dynamic technology team working on the development and delivery of integrated business solutions. In this role, you will be responsible for designing, developing and supporting integrations between multiple systems, helping to deliver reliable and scalable solutions within a up-to-date .NET environment. You will work across application development, APIs, data interchange and integration architecture while collaborating closely with technical teams and business stakeholders.

This role is a 12-month fixed term contract based in Darwin, NT.

Requirements What You'll Do Design, develop and support system-to-system integrations using C# and .NET

Build and maintain integrations supporting two-way data interchange between systems

Develop and consume REST APIs and work with JSON and XML data formats

Apply appropriate integration patterns and architectural approaches to deliver robust solutions

Work across .NET Framework and modern .NET/Core environments, including .NET 6+

Contribute to technical architecture, application design and programming activities

Develop clean, maintainable and well-tested code

Write and maintain unit tests to ensure solution quality and reliability

Work with Git and CI/CD pipelines to support effective development and release practices

Collaborate with Business Analysts during requirements gathering and solution design

Work closely with project teams,



technical leads and stakeholders to deliver integration outcomes within agreed timeframes

Use issue tracking tools such as Jira to manage development activities and defects

Contribute to technical documentation, including functional specifications, technical designs and database models

Support troubleshooting, integration testing and resolution of technical issues

Contribute to other software development activities as required by the project team What You'll Bring 5+ years of commercial experience in C#/.NET development

5+ years of experience designing, building and supporting system integrations

Proven experience integrating two or more systems, ideally including two-way data interchange

Strong experience across .NET Framework and modern .NET/Core, including .NET 6 or later

Strong understanding of REST APIs, JSON, XML and integration patterns

Experience with Git, CI/CD and modern software development practices

Demonstrated experience writing unit tests and delivering high-quality production code

Experience working with Jira or similar issue-tracking tools

Strong understanding of technical architecture, application design and software development principles

Experience working collaboratively with Business Analysts to understand and translate requirements into technical solutions

Ability to produce and interpret technical documentation,



including technical designs and functional specifications

Understanding of Dependency Injection and application architecture

Understanding of system architecture across client, presentation, business, service, data and database layers

Experience with WPF/XAML, web applications or SPA development would be advantageous

Exposure to infrastructure concepts including web servers, databases, service accounts, DNS and virtual environments would be beneficial

Understanding of networking and application security principles

Relevant qualifications in IT, Computer Science, Software Engineering, or equivalent professional experience

Strong communication, organisational and stakeholder engagement skills A proactive, accountable and collaborative approach with strong problem-solving and critical-thinking abilities Benefits Why You'll Love Working Here: Our company is more than just a workplace, it's a hub of inspiration and creativity where employees love to work! Here's why: Extensive training and development opportunities that enable continual growth as part of your career planning

Extensive discounts and benefits to maximise your money A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs

Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture CT celebrates diversity and enables every voice to be heard as we drive to create the world we want. Apply today and be part of a team that values innovation, inclusivity, variety and diverse backgrounds.

Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.

📌 Integration .Net Developer (Darwin)
🏢 Centorrino Technologies
📍 Darwin