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, team-oriented 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)

Unlock your next career prospect – apply today!

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

Coates. Equipped for you.

📌 Senior Developer Sydney
🏢 Coates
📍 Sydney