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 DoingLead design, development, and maintenance of scalable, secure applications and integrationsDrive full lifecycle delivery—from ideation through to deployment and continuous improvementCollaborate with stakeholders to translate business requirements into technical solutionsTroubleshoot and resolve complex full-stack issuesChampion code quality through reviews, testing, and CI/CD practicesOptimise application performance and identify bottlenecksEnsure security best practices are embedded and vulnerabilities addressedIntroduce and embed current technologies, frameworks, and engineering standardsMentor developers and foster a high-performing,



collaborative team environmentSupport production teams to resolve issues and improve user experienceWhat You'll Bring5–7+ years' experience in software developmentStrong expertise in C# .
NET, React.js, Vue.js, and SQLExperience designing scalable architectures and applying design patternsProven ability to optimise performance and resolve complex technical issuesSolid understanding of web security best practicesHands‐on experience with CI/CD pipelinesExposure to Azure (PaaS preferred)Strong data modelling and SQL optimisation skillsDemonstrated experience leading development from concept to productionExceptional communication skills across technical and business stakeholdersPassion for mentoring and developing othersQualifications:Tertiary qualification in IT, Computer Science, or related fieldMicrosoft 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 Operations Pty
📍 Sydney