R Refactor & Reflect The Journal · est. 2008
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Improving code, clarifying thoughts. Live · Now reading: A Comprehensive Architectural Analysis of MediatR…
▲ Featured #backend & .net

A Comprehensive Architectural Analysis of MediatR + Vertical Slice CQRS in .NET 10

MediatR is not CQRS. Vertical Slice Architecture is not Clean Architecture. A comprehensive architectural analysis of how these three independent ideas combine in .NET 10 — with worked examples, pipeline behaviour patterns, and a clear take on the…

Apr 14, 2026· 11 min read· 0 comments

// LATEST

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001 · ARTIFICIAL INTELLIGENCE

The Story of K-Nearest Neighbors: How Computers Learn from Their Neighbors

Mar 2 · 21 min
002 · MISCELLANEOUS

The Developer’s Docker Quick Reference: Running Backend Services in PowerShell

Oct 31 · 10 min
003 · MISCELLANEOUS

The Administrator’s Cookbook: A Definitive Guide to Running Backend Services with Docker…

Oct 31 · 26 min
004 · AZURE INTERNALS

An Architect’s Deep Dive into the Azure Storage Platform: Internals, Service Analysis,…

Aug 23 · 45 min

// 01Trending now

All trending →
DEEP DIVE

MicroServices Coordination – 1

Nov 13 · 5 min · Distributed Systems & Microservices

// 02Popular this week

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MicroServices Coordination – 2

Jul 11 · 11 min · 0 comments

MicroServices Coordination – 3

Jul 11 · 7 min · 0 comments

A Guide to WordPress Development with Docker and VS Code

Jul 20 · 11 min · 0 comments

The JavaScript Execution Model in the Browser: A Comprehensive Architectural Analysis

Jul 22 · 57 min · 0 comments

// 03Editor's picks

View archive →
#backend-net

An Architectural Analysis of the Blazor “Auto” Render Mode

Aug 23 · 23 min
#backend-net

A Comprehensive Guide to Mastering Transact-SQL

Aug 23 · 40 min
#backend-net

A Code-Focused Deep Dive into Entity Framework Core Internals

Aug 22 · 34 min
#backend-net

A Deep Dive into the.NET 8 Runtime: Architectural and Implementation Internals

Aug 22 · 26 min
#frontend

Angular Syntax: A Hands-On Crash Course

Aug 22 · 21 min
#frontend

Browser Local Storage: A Comprehensive Technical and Security Analysis

Aug 22 · 32 min

// 04Worth reading

A Deep Dive into Parallel Programming in.NET Core: Internals, Patterns,…
arsalan · 40 min
The Evolution of Blazor: A Deep Dive into the Unified…
arsalan · 23 min
A Comprehensive Treatise on High-Performance Angular Applications: Strategies, Architectures, and…
arsalan · 35 min
Advanced EF Core Interview Questions
arsalan · 25 min
Advanced Angular Interview Questions
arsalan · 29 min
SERIES 31 min read

An In-Depth Guide to Testing Angular Applications with Jasmine

Quick Review Part 1: The Jasmine BDD Framework: Core Principles and Internals A robust testing strategy is the bedrock of professional software development, ensuring…

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// AZURE

An Architect’s Deep Dive into the Azure Storage Platform: Internals, Service Analysis, and Implementation

Aug 23 · 45 min
// .NET

A Comprehensive Architectural Analysis of MediatR + Vertical Slice CQRS in .NET 10

Apr 14 · 11 min
// LEADERSHIP

Advanced EF Core Interview Questions

Aug 12 · 25 min
// About the author

A pragmatist who ships.

20+
Years shipping
4
Countries shipped from
9
Microsoft & PMP certs
2
Disciplines: medicine + software

Dr. Arsalan Shahid — a software engineer with an MS in Software Engineering, specialising in enterprise back-end development with .NET Core, cloud architecture on Azure, and front-end engineering with modern JS frameworks.

I have spent over 20 years building distributed systems, designing microservice architectures, and mentoring engineering teams.

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