Senior Full-Stack Engineering Portfolio | .NET, Angular & React
Leonardo Apollonio
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leo8190.github.io privacy informationSenior Full-Stack Engineering Portfolio
A curated overview of 8+ years building and modernizing business-critical web applications, APIs, data systems, and frontend products.
WHAT CLIENTS CAN EVALUATE
• C#/.NET and ASP.NET Core REST APIs.
• Angular, React, and TypeScript frontends.
• SQL Server and PostgreSQL data work.
• Azure, AWS, Git, and CI/CD delivery.
• Selected enterprise experience and current self-directed public demos.
• Clear service and contact paths for focused freelance engagements.
FEATURED PUBLIC DEMOS
• OrderFlow API — resilient .NET workflows, tests, Docker, and CI.
• Ops Dashboard — Angular operations UI connected to the OrderFlow contract.
• LaunchBoard — accessible React release-readiness product demo.
Portfolio: https://leo8190.github.io/portfolio/
GitHub: https://github.com/leo8190
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Posted Aug 1, 2026
Curated senior .NET work across APIs, Angular/React frontends, SQL data systems, cloud delivery and public engineering demos.
