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I'm Osama Zafar, a Senior C#/.NET developer with 12+ years of building web apps, API integrations, and UX/UI implementations, with deep Azure cloud experience and a track record of modernizing legacy platforms (SharePoint to Sitecore/Umbraco). I'm passionate about clean architecture, reliable Azure DevOps CI/CD, and delivering measurable gains in performance and cost efficiency.…

Osama Zafar

Web Developer, Programmer, Full Stack Developer, +2

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I'm Osama Zafar, a Senior C#/.NET developer with 12+ years of building web apps, API integrations, and UX/UI implementations, with deep Azure cloud experience and a track record of modernizing legacy platforms (SharePoint to Sitecore/Umbraco). I'm passionate about clean architecture, reliable Azure DevOps CI/CD, and delivering measurable gains in performance and cost efficiency.…

Available to hire

I’m Osama Zafar, a Senior C#/.NET developer with 12+ years of building web apps, API integrations, and UX/UI implementations, with deep Azure cloud experience and a track record of modernizing legacy platforms (SharePoint to Sitecore/Umbraco).

I’m passionate about clean architecture, reliable Azure DevOps CI/CD, and delivering measurable gains in performance and cost efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Web Developer at Servus Credit Union

January 1, 2019 - Present

Design, build, and operate Sitecore and .NET services in Azure; partner with business, compliance, and IT to deliver secure, reliable features on a regular cadence. Architected and delivered a cash-back and profit-share platform on Azure; handled ~1M+ daily requests. Migrated public sites from SharePoint to Sitecore on Azure using Front Door, CDN, and Key Vault; TTFB improved ~35%. Standardized Azure DevOps pipelines in YAML with build, test, security scan, and blue-green release; cycle time reduced ~35%; regression defects down 30 to 40%. Set up Application Insights and Log Analytics dashboards and alerting.

Sitecore Developer at Servus Credit Union

January 1, 2019 - October 7, 2025

Implemented and maintained the Sitecore website; built custom components and modules with ASP.NET and C#; integrated third-party systems; improved responsiveness and UX; supported Azure-hosted environments. Projects included custom Sitecore components and integrations for marketing and user experience; responsive redesign and accessibility improvements; operational support and production issue resolution on Azure; release and deployment process improvements.

Systems Analyst at Alberta Health Services

January 1, 2015 - October 7, 2025

Designed, developed, and maintained .NET web applications; gathered and refined requirements; collaborated across teams; introduced test and deployment automation. Projects included PHP personal health portal province-wide; modernization of internal web applications.

Systems Analyst at BTI Software Inc.

January 1, 2011 - October 7, 2025

Rebuilt and modernized internal, data-driven web tools; improved information accessibility and site usability; led redesign to current standards with optimized CSS and jQuery. Projects included Student Learning System for educators; rebuilt database-driven internal tools to support curriculum and content workflows.

Senior Web Developer at Servus Credit Union

January 1, 2019 - Present

Design, build, and operate Sitecore and .NET services in Azure; partner with business, compliance, and IT to deliver secure, reliable features on a regular cadence. Architected and delivered a cash‑back and profit‑share platform on Azure; handled ~1M+ daily requests. Migrated public sites from SharePoint to Sitecore on Azure using Front Door, CDN, and Key Vault; TTFB improved ~35%. Standardized Azure DevOps pipelines in YAML with build, test, security scan, and blue‑green release; cycle time reduced ~35%; regression defects down 30 to 40%. Set up Application Insights and Log Analytics dashboards and alerting.

Sitecore Developer at Servus Credit Union

January 1, 2019 - October 7, 2025

Implemented and maintained the Sitecore website; built custom components and modules with ASP.NET and C#; integrated third‑party systems; improved responsiveness and UX; supported Azure‑hosted environments. Projects Delivered: Custom Sitecore components and integrations for marketing and user experience. Responsive redesign collaboration and accessibility improvements for public facing pages. Operational support and production issue resolution on Azure; release and deployment process improvements.

Systems Analyst at Alberta Health Services

January 1, 2015 - October 7, 2025

Designed, developed, and maintained .NET web applications; gathered and refined requirements; collaborated across teams; introduced test and deployment automation. Projects Delivered: PHP; the personal health portal initiative now available province‑wide in Alberta. Modernization of web‑based applications used internally at Alberta Health Services.

Systems Analyst at BTI Software Inc.

January 1, 2011 - October 7, 2025

Rebuilt and modernized internal, data‑driven web tools; improved information accessibility and site usability; led redesign to current standards with optimized CSS and jQuery. Projects Delivered: Student Learning System for educators; included assignment marking and online quizzes management; rebuilt database‑driven internal tools to support curriculum and content workflows.