Principal .Net Developer

Fusion HCR is seeking a Senior .NET Developer with deep backend expertise to design and build scalable, high-performance systems supporting enterprise sportsbook and gaming platforms., Architect, design, and develop scalable backend systems using C# and modern .NET (.NET 6/7/8) Build robust RESTful APIs and service-based architectures Design and implement event-driven systems using message brokers (Kafka, RabbitMQ, Azure Service Bus, etc.) Develop and maintain microservices running in containerized environments (Docker, Kubernetes) Write clean, maintainable, testable code following SOLID principles and domain-driven design concepts Optimize and tune SQL Server databases, stored procedures, indexing strategies, and performance Build systems that support high-volume, real-time transaction processing Collaborate with DevOps on CI/CD pipelines, deployments, and production support Participate in architectural discussions and mentor other developers Support secure coding practices in a highly regulated gaming environment

This is a senior-level engineering role requiring strong hands-on experience with modern .NET, distributed systems, containerized environments, API development, event-driven architectures, and SQL Server. The ideal candidate has experience building resilient, transaction-heavy systems in regulated environments and understands how to design services that scale. This is not a junior or mid-level role - we are seeking engineers who can architect, build, and own critical backend components., 7+ years of professional software development experience Deep hands-on expertise in C# and .NET Strong experience designing and building APIs and distributed systems Experience with containerization (Docker) and orchestration (Kubernetes preferred) Experience implementing message brokers and event-driven architectures Strong SQL Server experience including performance tuning and query optimization Experience working in high-availability, transaction-heavy systems Strong understanding of microservices architecture patterns Experience with Git and modern development workflows Ability to work onsite in Las Vegas Highly Preferred Sportsbook or real-time wagering platform experience Experience with Blazor (Server or WebAssembly) Experience with MAUI (cross-platform UI development) Azure cloud or hybrid-cloud experience Experience in regulated industries (gaming, finance, healthcare) Automated testing (unit/integration) and CI/CD pipeline experience