John Plesner
Senior Software Engineer | Platform / Systems
Toronto-based engineer with 10 years of experience building software across backend services, web applications, cloud-hosted systems, and engineering platforms. Strongest in C#/.NET on Azure, with additional experience in Vue, Blazor, CI/CD, and delivery tooling. Looking for a Senior Software Engineer or Platform Engineer role, ideally hybrid or on-site.
What I do
I build reliable, maintainable software across application, backend, and delivery layers. My experience spans product development, integrations, cloud infrastructure, and engineering workflows, and I do my best work where hands-on coding, systems thinking, and practical ownership overlap. If you'd like to know more about my experience, please check out my resume.
Backend & Data
C#, .Net (MVC, modern .NET), SQL (SQL Server, Postgres), API design & Integrations.
Product UI
Vue.js, Blazor, TypeScript, JavaScript
Platform & Reliability
Azure, Docker, Azure DevOps, Terraform, Octopus Deploy, Powershell, Bash
Other
Git, Magento, Umbraco.
Get in touch
If you're interested in hiring me or if just want to see if I can help with your project, please don't hesitate to get in touch by using one of the methods below.