The Story of K-Nearest Neighbors: How Computers Learn from Their Neighbors
The world of computers can be very difficult to understand because there are so many big words. One big word is machine…
Read articleSoftware Engineer & Architect — PhD
Dr. Arsalan Shahid
A technical knowledge base covering enterprise .NET, Angular, Azure, Microservices, AI and more — built from real-world engineering experience.
.NET / ASP.NET Core
Angular
Azure
Microservices
Docker
SQL
Machine Learning
What Is On This Site
Refactor & Reflect is a public engineering knowledge base. Every article distils hard-earned lessons from building production systems — covering architecture, code internals, patterns, and tooling.
In-Depth Articles
Long-form technical deep-dives: architecture analyses, implementation guides, interview-prep treatises, and annotated code walkthroughs.
Browse articlesArchitecture & Patterns
Microservices coordination, ASP.NET Core internals, EF Core deep-dives, Blazor rendering models — how systems are designed and why.
Explore microservicesCloud & DevOps
Azure storage, Databricks, Docker container management, PowerShell automation — practical guides for running real workloads.
Explore cloudAI & Machine Learning
Conceptual and applied ML content — from K-Nearest Neighbours explained plainly to Azure AI integration in production applications.
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The most recently published technical deep-dives.
The Developer’s Docker Quick Reference: Running Backend Services in PowerShell
Docker has become the standard for creating clean, isolated, and reproducible development environments. By containerizing services like databases and message brokers, you…
Read articleThe Administrator’s Cookbook: A Definitive Guide to Running Backend Services with Docker and PowerShell
I. Introduction: The Modern Developer’s Local Environment In modern software development, the phrase “it works on my machine” has become a notorious…
Read articleAn Architect’s Deep Dive into the Azure Storage Platform: Internals, Service Analysis, and Implementation
Quick Review Programming Azure Blob Storage Demonstrates initializing a client, creating containers, and performing upload, list, download, and delete operations in Python…
Read articleAn Architectural Analysis of the Blazor “Auto” Render Mode
Quick Review Introduction The journey of the Blazor framework has been one of refinement. It began with a clear choice between two…
Read articleA Comprehensive Guide to Mastering Transact-SQL
Quick Review: T-SQL Concepts at a Glance This summary provides a high-level overview of the key topics covered in the full article,…
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About the Author
I am Dr. Arsalan Shahid, a software engineer with a PhD in Computer Science, specialising in enterprise back-end development with .NET Core, cloud architecture on Azure, and front-end engineering with Angular. I have spent over 20 years building distributed systems, designing microservice architectures, and mentoring engineering teams.
This site is my public engineering notebook — a place where I distil and share hard-won lessons from production systems. I also take on freelance and contract engagements for businesses that need reliable, modern software without agency overhead.
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33+Technical Articles
20+Years Experience
PhDComputer Science
12Topic Areas