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Engineering Writing & Systems Architecture

Engineering Blog

In-depth architectural notes, distributed systems design patterns, .NET 8 internals, and enterprise AI agent engineering.

Portfolio Blog Migration in Progress

All engineering articles are actively being consolidated directly onto this portfolio website. The articles below include complete architectural summaries, core takeaways, and production code snippets.

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Showing 18 of 18 articles

Aug 2026•7 min read•

Building Production AI Agents with Model Context Protocol (MCP) in .NET

How to standardize LLM tool calling, schema discovery, and enterprise context integration using the Model Context Protocol in C# and .NET 8.

Model Context Protocol (MCP) replaces fragile bespoke plugins with standard JSON-RPC contracts.

Strict JSON Schema boundary definitions eliminate LLM parameter hallucination before execution.

Bhushan Kadam • Dell TechnologiesRead Article

Jul 2026•5 min read•

Strongly-Typed Options Pattern & Architectural Validation in ASP.NET Core

Moving beyond IConfiguration strings: implementing strongly-typed options, startup validation, and decoupled configuration in enterprise microservices.

Never inject raw IConfiguration into business logic or domain services.

Use IOptions<T> for immutable singleton settings and IOptionsSnapshot<T> for per-request reloading.

Bhushan Kadam • Dell TechnologiesRead Article

Jun 2026•6 min read•

Spec-Driven Development: Moving from Requirements to Verified Code

Why senior engineering judgment and formal interface specifications are essential to harness AI coding agents without code drift.

Generative AI models are probabilistic; enterprise production requires deterministic correctness.

Decouple requirement definition from code synthesis through formal OpenAPI/Protobuf specifications.

Bhushan Kadam • Dell TechnologiesRead Article

May 2026•8 min read•

Transactional Outbox & Resilient Messaging on Azure Service Bus

Eliminating dual-write failures between relational databases and Azure Service Bus using the Transactional Outbox pattern and background publishers.

Dual writes to a database and a message broker within one HTTP request will inevitably result in inconsistency.

The Transactional Outbox persists outbound events into the same SQL transaction as domain state mutations.

Bhushan Kadam • Dell TechnologiesRead Article

ArchitectureApr 2023•12 min read•

Microservices vs. Monolithic Architecture: Which One Fits Better?

A comprehensive architectural evaluation of when to adopt microservices versus retaining a modular monolith in enterprise platforms.

Start with a modular monolith before decomposing into distributed microservices.

Enforce database-per-service to prevent hidden cross-boundary transactional coupling.

Bhushan Kadam • Dell TechnologiesRead Article

ASP.NET CoreDec 2022•11 min read•

Schedule Cron Jobs and Background Tasks in .NET using Hangfire

A step-by-step guide to using the Hangfire library to schedule, execute, and monitor background tasks in ASP.NET Core applications.

Hangfire eliminates the need for separate Windows Services with in-process background processing.

Persistent storage in SQL Server or Redis guarantees zero job loss during service restarts.

Bhushan Kadam • Dell TechnologiesRead Article

ASP.NET CoreJan 2023•13 min read•

Building Secure ASP.NET Core Web APIs with JWT Authentication

How to implement production-grade JSON Web Token (JWT) authentication, claims-based access control, and authorization in ASP.NET Core.

Stateless JSON Web Tokens eliminate server-side session bottlenecks in distributed architectures.

Enforce strong cryptographic signing with HMAC-SHA256 and secure symmetric/asymmetric keys.

Bhushan Kadam • Dell TechnologiesRead Article

ASP.NET CoreJan 2023•10 min read•

Memory Caching in .NET: Boost Application Throughput & Latency

Practical strategies for leveraging IMemoryCache in ASP.NET Core to dramatically reduce database bottlenecks and accelerate response times.

In-memory caching reduces database query load by up to 90% for read-heavy workloads.

Combine absolute and sliding expiration to prevent stale cache entries while optimizing hits.

Bhushan Kadam • Dell TechnologiesRead Article

C# .NETJan 2023•9 min read•

Asynchronous Programming in C# and .NET: Deep Dive into Async/Await

An engineering deep dive into asynchronous programming in C#, Task state machines, avoiding deadlocks, and preventing thread exhaustion.

Async/await frees execution threads during I/O operations, dramatically boosting web server scale.

Avoid .Result and .Wait() synchronous blocking to prevent deadlocks and thread pool exhaustion.

Bhushan Kadam • Dell TechnologiesRead Article

C# .NETJan 2023•10 min read•

Fundamentals of LINQ in C#: Query Syntax, Method Syntax & Operators

Master the fundamentals of Language Integrated Query (LINQ) in C#, exploring query syntax, lambda expressions, and deferred execution.

LINQ unifies data queries across in-memory collections, relational databases, and XML.

Deferred execution optimizes performance by delaying query evaluation until enumeration.

Bhushan Kadam • Dell TechnologiesRead Article

C# .NETJan 2023•14 min read•

Advanced LINQ Operations in C#: GroupJoin, Expressions & Optimizations

Deep dive into advanced LINQ operations in C#: complex joins, GroupJoin, Zip, Aggregate, and memory allocation pitfalls in production.

GroupJoin and SelectMany enable sophisticated hierarchical relational queries in-memory.

Understanding IQueryable vs IEnumerable determines whether queries execute on DB or client.

Bhushan Kadam • Dell TechnologiesRead Article

C# .NETJan 2023•7 min read•

Simplifying Event-Driven Architecture in C# with Delegates

A comprehensive exploration of C# delegates and events, decoupling system components using clean publisher-subscriber communication.

Delegates are type-safe function pointers that form the backbone of C# event communication.

Events encapsulate delegates to prevent external subscribers from clearing invocations.

Bhushan Kadam • Dell TechnologiesRead Article

AI & MLDec 2024•6 min read•

Build an End-to-End AI Chatbot with React and Python

Step-by-step tutorial on architecting an end-to-end AI chatbot combining a React frontend, Python API backend, and streaming LLM inference.

Decouple client chat state from backend LLM orchestration using asynchronous API contracts.

Implement server-sent events (SSE) for low-latency streaming responses in chat interfaces.

Bhushan Kadam • Dell TechnologiesRead Article

ASP.NET CoreDec 2022•5 min read•

Deploy .NET Applications Using Docker: A Production Guide

How to package, optimize, and deploy ASP.NET Core applications into minimal, secure Docker containers for production environments.

Multi-stage Docker builds separate build SDKs from runtime environments to minimize image footprint.

Run .NET containers as non-root users to adhere to enterprise container security standards.

Bhushan Kadam • Dell TechnologiesRead Article

ReactFeb 2023•7 min read•

Mastering React State Management: Context API, Redux Toolkit & Zustand

Evaluating modern state management paradigms in React: when to use local state, Context API, Redux Toolkit, or lightweight Zustand stores.

Colocate state as close to consumption components as possible to prevent excessive tree re-renders.

Context API is ideal for infrequent low-velocity state (themes, user auth) rather than high-rate data.

Bhushan Kadam • Dell TechnologiesRead Article

C# .NETJan 2023•7 min read•

High-Performance Excel File Operations in C# and .NET

Practical techniques for reading and writing large Excel spreadsheets in C# without Microsoft Office dependencies using managed libraries.

Avoid Excel COM interop in production servers; rely on managed libraries like ClosedXML or EPPlus.

Stream spreadsheet writes directly to memory buffers to prevent disk I/O bottlenecks.

Bhushan Kadam • Dell TechnologiesRead Article

ASP.NET CoreAug 2022•9 min read•

Transactional Email Delivery in ASP.NET Core with MailKit & MimeKit

A robust approach to sending transactional HTML emails in ASP.NET Core using MailKit, secure credentials, and background queueing.

Never use obsolete System.Net.Mail.SmtpClient; MailKit is the official modern .NET standard.

Separate email dispatch from web request lifecycles via background queuing or outbox workers.

Bhushan Kadam • Dell TechnologiesRead Article

C# .NETJan 2023•4 min read•

High-Throughput JSON Serialization in .NET with System.Text.Json

Optimizing JSON processing in modern .NET: utilizing System.Text.Json, custom converters, source generators, and zero-allocation techniques.

System.Text.Json delivers up to 3x higher throughput with significantly lower heap allocations than Newtonsoft.

Leverage C# source generators (JsonSerializerContext) for compile-time ahead-of-time (AOT) reflection-free JSON.

Bhushan Kadam • Dell TechnologiesRead Article

Interested in discussing architecture or AI agent design?

I regularly exchange ideas on distributed system resilience, .NET high-performance patterns, and real-world agentic workflows.

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