Senior Software Architect API Integrations

Leonardo seeks a Senior Software Developer in Toronto focused on APIs, architecture, data pipelines, and secure Microsoft application delivery.

As a senior individual contributor, you will design and support business applications serving hospitality customers and partners. The work includes RESTful and SOAP APIs, relational databases, ETL/ELT workflows, distributed architecture, and performance optimization. Customer needs guide every technical decision.

Key Responsibilities:

• Design maintainable integrations with customer and partner systems
• Build and support data pipelines and ETL/ELT workflows
• Optimize queries, APIs, and data processing performance
• Investigate production issues and implement durable remediation
• Improve logging, metrics, tracing, alerting, and documentation

Requirements:

• 10+ years of professional software development experience
• Bachelor’s degree in Computer Science or related discipline
• Strong multi-tier and distributed architecture knowledge
• Experience with RESTful and SOAP APIs
• Expertise in C#, .NET, SQL Server, and Blazor

Bring architecture, integration, performance, and Microsoft development expertise to Leonardo’s customer-centered hospitality software.