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.