Senior Software Developer in Toronto designing customer-facing applications with C#, .NET, Blazor, and SQL Server. Hands-on individual contributor role.

Leonardo develops hospitality technology for hotels, hotel brands, management companies, and travel channels. This senior role spans full-stack applications, architecture, integrations, operational excellence, and AI-enabled delivery. You will build practical solutions grounded in customer workflows and outcomes.

Key Responsibilities:
Design, develop, test, deploy, and support full-stack applications
Create maintainable code using Microsoft technologies
Apply secure coding and cybersecurity practices throughout development
Build RESTful and SOAP integrations and data workflows




Provide technical leadership through reviews, mentoring, and training

Requirements:
Bachelor’s degree in Computer Science or related discipline
10+ years of qualified software development experience
Advanced C#, .NET, Visual Studio, SQL Server, and Blazor proficiency
Knowledge of distributed architecture, APIs, and relational data modeling
Hands-on experience with AI-assisted development tools and agents

Apply full-stack engineering, secure development, and AI-enabled delivery expertise to Leonardo’s hospitality technology platforms.

📌 Senior Full Stack C# Developer Toronto
🏢 Jonas Software
📍 Toronto