Job Description
We're looking for a Senior Developer to lead the design, development and enhancement of high-quality, scalable software solutions across our digital ecosystem.
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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.
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What You'll Be Doing
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Lead design, development, and maintenance of scalable, secure applications and integrations
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Drive full lifecycle delivery—from ideation through to deployment and continuous improvement
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Collaborate with stakeholders to translate business requirements into technical solutions
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Troubleshoot and resolve complex full-stack issues
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Champion code quality through reviews, testing, and CI/CD practices
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Optimise application performance and identify bottlenecks
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Ensure security best practices are embedded and vulnerabilities addressed
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Introduce and embed new technologies, frameworks, and engineering standards
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Mentor developers and foster a high-performing,



collaborative team environment
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Support production teams to resolve issues and improve user experience
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What You'll Bring
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5–7+ years' experience in software development
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Robust expertise in C# .NET, React.js, Vue.js, and SQL
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Experience designing scalable architectures and applying design patterns
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Proven ability to optimise performance and resolve complex technical issues
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Solid understanding of web security best practices
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Hands‐on experience with CI/CD pipelines
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Exposure to Azure (PaaS preferred)
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Strong data modelling and SQL optimisation skills
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Demonstrated experience leading development from concept to production
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Exceptional communication skills across technical and business stakeholders
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Passion for mentoring and developing others
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Qualifications:
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Tertiary qualification in IT, Computer Science, or related field
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Microsoft Azure certifications (highly regarded)
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Diversity and inclusion are at the heart of our culture. Coates welcomes candidates from all backgrounds, experiences and perspectives to apply.

📌 Senior Developer (New South Wales)
🏢 Coates Hire Operations Pty
📍 New South Wales