John Plesner
Software Engineer | Product & Platform
Toronto-based software engineer with 10+ years of experience building backend services, web applications, and cloud-hosted systems. Strongest in C# / .NET, SQL, Azure, and distributed systems, with additional experience across Vue, Blazor, and full-stack product development. Looking for a Senior Software Engineer role where I can combine product thinking, backend depth, and practical systems ownership.
What I do
I build robust software across backend, product, and platform concerns. My background spans business-critical internal tools, cloud-hosted applications, data and systems integrations, and the engineering foundations needed to keep complex systems reliable in production. I do my best work where hands-on coding, systems thinking, and practical ownership come together. If you'd like to know more about my experience, please check out my resume.
Backend & Data
C#, .NET (ASP.NET MVC, modern .NET), SQL Server, PostgreSQL, API design and integrations.
Frontend
Vue.js, Blazor, TypeScript, JavaScript
Platform & Delivery
Azure, Docker, Terraform, Azure DevOps, Octopus Deploy, PowerShell, Bash
Additional Tech
Git, Magento, Umbraco.
Get in touch
If you're hiring, or you'd like to talk about a project I could help with, feel free to get in touch using one of the options below.