Build new API & IoT solutions, leaving legacy code behind Mentor a talented team & become their API expert ✅ Join a stable market leader with long-term project security Ready to architect the core of Australia's leading gaming and payments platform? We are partnering with a market leader in the gaming and hospitality tech sector to find a skilled C# .Net Developer to drive the evolution of their core platform. This is a unique opportunity for a desktop application expert with a passion for modern, API-driven architecture. You will have the autonomy to build new solutions, leave legacy systems behind, and make a direct impact on an industry-leading product. What you’ll be doing: Designing and building RESTful APIs to integrate with third-party systems and internal microservices. Developing and maintaining robust C# desktop applications using WPF and .NET Architecting solutions for new projects, including an innovative system for payments on Windows IoT devices. Creating and optimising SQL Server databases, tables, and stored procedures. Collaborating in an agile team to deliver high-quality, well-documented, and scalable code. What you'll bring to the team: Proven commercial experience in C# .NET development with a primary focus on desktop applications. A strong portfolio of designing, building, and consuming RESTful APIs. Deep proficiency with SQL Server, including the ability to write and optimise complex queries and procedures. A collaborative spirit and a passion for solving complex problems. An aptitude for mentoring and sharing knowledge with your peers. What Join Us? Impactful Work: This is your chance to work on new, exciting projects and move away from legacy code. Upskill & Mentor : Be the go-to person for API development and help shape the team's technical capabilities. Stability & Growth : Join a stable, market-leading company with a clear roadmap and the time to build things right. Please Note : This role is based full-time in our Macquarie Park office for the first 6 months to ensure deep integration with the team and projects, after which it will move to a hybrid model (3 days in-office). If you are ready to take the next step in your career, please apply now. A police check will be required for the successful candidate.