Blog Posts

Property-Based Testing in C#: Breaking Your Assumptions with FsCheck and xUnit

1 The Paradigm Shift: From verifying Examples to Enforcing Laws Most teams rely heavily on example-based tests. They write a few “happy path” tests, add some edge cases they can think of, and assu

Multi-Tenant Data Patterns on Azure for .NET SaaS: Shared Schema, Sharding, and Per-Tenant Databases

1 Strategic Foundations: Defining the Isolation Spectrum Multi-tenant SaaS platforms on Azure face the same core challenge: how to keep each customer’s data isolated while still keeping infrastruc

The Complete Guide to Database Sharding in .NET: From Theory to Production with SQL Server, PostgreSQL, and MongoDB

1 The Case for Sharding: Limits of Vertical Scaling and Strategic Decisions Sharding becomes relevant when a single database can no longer keep up with real-world workload demands. At some point,

Real-Time Recommendation Engines in .NET: Combining Collaborative Filtering, Deep Learning, and Vector Databases

Sudhir Mangla
Practical Design , AI & Machine Learning
26 Nov, 2025

1 The Modern Recommendation Landscape: Beyond Simple Filtering A recommendation engine must predict what a user is likely to want at the moment they need it. Early systems relied heavily on collab

Mastering DynamoDB for .NET Architects: Single-Table Design, Patterns, and Pitfalls

1 The Relational Detox: Shifting Mindsets for .NET Architects SQL-trained .NET developers often struggle when they first touch DynamoDB. The discomfort isn’t about syntax. It’s about architectu

Production WebAssembly with Blazor: WASM Performance Optimization, AOT Compilation, and Offline-First PWAs

1 Architectural Foundations for High-Scale Blazor WebAssembly Blazor WebAssembly has matured significantly in .NET 8 and the .NET 9 releases. Many production applications now depend on it for rich

Precision Matters: Handling Money, Time Zones, and Ranges Correctly in C#

1 The Hidden Cost of Imprecision Precision issues in financial and time-based systems rarely appear as obvious failures. They show up as small inconsistencies—pennies lost in calculations, off-by-

Enterprise Knowledge Copilot in .NET: Building a Secure RAG Bot with Azure OpenAI, Semantic Kernel, and Azure AI Search (Step-by-Step)

1 The Enterprise RAG Architecture: Beyond "Hello World" Most organizations start their “copilot” journey with a simple demo: a page where you upload a few documents, run basic embedding search, an

The Architect's Guide to Vibe Coding Workflow: Mastering the AI Development Loop

1 Introduction: The Shift from Syntax to Intent Software development has always involved trade-offs between speed, clarity, and long-term maintainability. As AI-assisted development becomes mainst

Beyond SOLID in Modern C#: Smart Enums, Discriminated Unions & Railway-Oriented Programming

1 The Paradigm Shift: Why SOLID Is No Longer Enough For almost two decades, SOLID provided the mental scaffolding most of us used to structure C# applications. It gave us consistency and encourage