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