About the Role We’re looking for a Senior Developer to lead the design, development and enhancement of high-quality, scalable software solutions across our digital ecosystem.

In this role, you’ll drive the end-to-end software development lifecycle, from concept to deployment, while working closely with business stakeholders, architects, and cross-functional teams. You’ll play a key role in shaping technical direction, mentoring developers, and ensuring delivery excellence across our platforms.

What You’ll Be Doing

Lead design, development, and maintenance of scalable, secure applications and integrations

Drive full lifecycle delivery—from ideation through to deployment and continuous improvement

Collaborate with stakeholders to translate business requirements into technical solutions

Troubleshoot and resolve complex full-stack issues

Champion code quality through reviews, testing, and CI/CD practices

Optimise application performance and identify bottlenecks

Ensure security best practices are embedded and vulnerabilities addressed

Introduce and embed new technologies, frameworks, and engineering standards

Mentor developers and foster a high-performing,



collaborative team environment

Support production teams to resolve issues and improve user experience

What You’ll Bring

5–7+ years’ experience in software development

Strong expertise in C# .NET, React.js, Vue.js, and SQL

Experience designing scalable architectures and applying design patterns

Proven ability to optimise performance and resolve complex technical issues

Solid understanding of web security best practices

Hands‑on experience with CI/CD pipelines

Exposure to Azure (PaaS preferred)

Robust data modelling and SQL optimisation skills

Demonstrated experience leading development from concept to production

Exceptional communication skills across technical and business stakeholders

Passion for mentoring and developing others

Qualifications:

Tertiary qualification in IT, Computer Science, or related field

Microsoft Azure certifications (highly regarded)

Diversity and inclusion are at the heart of our culture. Coates welcomes candidates from all backgrounds, experiences and perspectives to apply.

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📌 Senior Developer (Sydney)
🏢 Coates Hire
📍 Sydney