Leo DeRosa
Summary
Software Engineer with a Bachelor of Science in Computer Science from the University of Victoria. Currently building production software at Raptor Integration, working across the full stack — from optimizing legacy codebases and designing real-time WebSocket communication layers to deploying and maintaining web servers in production environments. Strong focus on writing clean, performant, and maintainable code with hands-on experience in client-facing feature delivery, database management, and systems modernization.
Technical Skills
Languages
Experience
- Develop and maintain full-stack applications using C#/.NET and Blazor, delivering production features across front-end and back-end systems
- Modernize and refactor legacy codebases, improving code quality, maintainability, and runtime performance
- Design and implement real-time communication layers using WebSocket protocols for low-latency data exchange
- Architect and deploy web server infrastructure, managing production environments and release pipelines
- Design and build optimization algorithms and tooling to improve system throughput and resource utilization
- Manage relational databases, including schema design, query optimization, and data integrity maintenance
- Collaborate directly with clients to gather requirements, scope feature requests, and deliver tailored solutions
- Provide ongoing technical support and maintenance for deployed systems, ensuring uptime and client satisfaction
- Promoted twice — from crew member to Crew Trainer, then to Guest Experience Leader — for consistent performance and leadership
- Trained and mentored new team members on operational procedures, service standards, and food safety protocols
- Supervised floor operations during high-volume shifts, coordinating staff and managing customer-facing service
- Handled point-of-sale transactions and cash reconciliation with accuracy and accountability
Education
Projects
Full-stack personal portfolio built with a hybrid SSR and WebAssembly rendering model, featuring animated particle backgrounds, responsive design, and scoped component styling.
C# · ASP.NET Core · Blazor · .NET 10
AI-powered development tool that connects to Azure OpenAI via Semantic Kernel, exposing function-calling capabilities for automated file editing, shell execution, and version control operations.
C# · .NET 10 · Azure OpenAI · Semantic Kernel