Blog
Deep-dive articles covering the full systems engineering stack. Filter by pillar or difficulty to find what you need.
Docker & Kubernetes: From Zero to Production Deployment
Master Docker and Kubernetes from scratch. Learn containerisation, Docker Compose, Kubernetes deployments, services, ingress, Helm, and deploying .NET and Python apps to Azure Kubernetes Service.
ASP.NET Core Web API: Build Production REST APIs
Build production-ready REST APIs with ASP.NET Core 8. Covers minimal APIs, controllers, middleware, authentication with JWT, validation, error handling, versioning, and deployment.
Background Services & Hosted Services in .NET
Build long-running background tasks in ASP.NET Core with IHostedService and BackgroundService — scheduled jobs, queue workers, health-monitored services, and the Outbox pattern.
CQRS with MediatR in .NET: A Production Guide
Implement CQRS using MediatR in ASP.NET Core — commands, queries, handlers, pipeline behaviors for validation and logging, and how it maps to Clean Architecture.
C# Fundamentals: Complete Guide from Zero to Confident
Learn C# from scratch. Covers variables, types, control flow, OOP, interfaces, generics, LINQ, async/await, and error handling — everything a beginner needs to start building real .NET applications.
EF Core Fluent API: Complete Entity Configuration Guide
Master EF Core Fluent API to configure entities, relationships, indexes, value converters, table splitting, and owned entities — the production way, without data annotation clutter.
Entity Framework Core: Database Access in .NET
Master EF Core 8 from setup to production patterns. Covers DbContext, migrations, relationships, querying, performance, raw SQL, and advanced scenarios like soft deletes and audit trails.
.NET / C# Interview Questions: Junior Level (Q1–Q80)
80 C# and .NET interview questions for junior developers with detailed answers — covering C# basics, OOP, types, collections, LINQ, async/await, and ASP.NET Core fundamentals.
.NET / C# Interview Questions: Mid to Senior Level (Q81–Q250)
170 mid-to-senior .NET interview questions with detailed answers — EF Core, ASP.NET Core internals, async deep dive, CQRS, Clean Architecture, performance, microservices, and system design.
ASP.NET Core Middleware & Filters: A Deep Dive
Build custom middleware, action filters, exception filters, and result filters in ASP.NET Core — with real production patterns for global error handling, request logging, and response transformation.
Repository & Unit of Work Pattern in .NET
Implement Repository and Unit of Work patterns in .NET with EF Core — generic and specific repositories, the case against over-abstraction, and when each approach makes sense.
FHIR & HL7 Integration: Healthcare APIs in .NET
Build healthcare integrations with FHIR R4 and HL7 v2 in .NET. Covers FHIR resource model, SMART on FHIR authentication, Firely SDK, HL7 parsing, patient data pipelines, and real-world integration patterns.
Python & FastAPI: Build Production REST APIs
Build production-ready REST APIs with Python and FastAPI. Covers Python fundamentals, async Python, Pydantic models, dependency injection, JWT auth, database integration with SQLAlchemy, and deployment.
React Advanced Patterns: HOCs, Context, Compound Components & Performance
Production-ready React patterns — Higher Order Components, Context architecture, compound components, React.memo, code splitting, and Suspense with real app examples.
React Core Fundamentals: JSX, Components, State & Props
Master React's foundational concepts — JSX, Virtual DOM, class vs functional components, props, state, and lifecycle — with real-world examples from production apps.
React Development Environment Setup: Vite, VS Code & Tooling (2026)
Set up a professional React development environment from zero — Node.js, package managers, Vite vs Next.js, VS Code extensions, ESLint, Prettier, path aliases, and Git hooks.
React Forms & Validation: React Hook Form + Zod in Production
Build bulletproof forms with React Hook Form and Zod — schema validation, nested fields, file uploads, multi-step forms, async validation, and accessibility best practices.
React Hooks Deep Dive: useState, useEffect, useCallback, useMemo & Custom Hooks
A complete guide to React hooks with real-world patterns — from basic useState to writing production-grade custom hooks for data fetching, forms, and UI state.
React Internationalization (i18n): react-i18next & Multi-Language Apps
Build production-ready multilingual React apps — setting up react-i18next, handling translations, pluralization, date/number formatting, RTL layouts, and lazy-loading locale files.
React Interview Questions: Junior Level (0–2 Years)
50 React interview questions with detailed answers for junior developers — JSX, components, props, state, hooks basics, and lifecycle. Includes what interviewers really want to hear.
React Interview Questions: Mid-Level (2–4 Years)
40 React interview questions with answers for mid-level developers — hooks deep dive, performance, patterns, routing, Redux, testing, and TypeScript. What senior interviewers probe for.
React Interview Questions: Senior Level (4+ Years)
30 advanced React interview questions with in-depth answers for senior developers — Fiber architecture, concurrent rendering, RSC, design systems, performance profiling, and system design.
React Performance Optimization: Profiling, Memoization & Concurrent Features
Identify and fix real React performance bottlenecks — using the Profiler, fixing unnecessary re-renders, virtualization for large lists, Web Vitals, and React 18 concurrent features.
Build a Full-Stack Task Manager App with React, TypeScript & React Query
Step-by-step project tutorial — build a production-quality task manager from scratch: authentication, CRUD operations, drag-and-drop, filtering, optimistic updates, and deployment.
React State Management: Redux Toolkit, Context & Zustand
When and how to use Redux — from vanilla Redux patterns to Redux Toolkit (RTK), RTK Query for data fetching, and when simpler alternatives like Zustand or Context are better.
React Router Complete Guide: Navigation, Nested Routes & Protected Routes
Master React Router v6+ — client-side routing, nested routes, dynamic segments, protected routes, data loading, and programmatic navigation with real app examples.
React Testing: Jest, React Testing Library & Best Practices
Write tests that actually catch bugs — unit, integration, and user interaction testing with Jest and React Testing Library, including async testing, mocking, and CI strategies.
TypeScript with React: Types, Generics & Production Patterns
Master TypeScript in React — prop typing, event handlers, generic components, discriminated unions, utility types, and patterns that eliminate runtime errors before they happen.
Advanced SQL: Window Functions, CTEs, and Performance Tuning
Go beyond basic queries. Master window functions (RANK, LAG, NTILE), recursive CTEs, query optimization, execution plans, and advanced patterns used in production systems.
SQL Fundamentals: Complete Guide with Real-World Examples
Master SQL from scratch with practical, real-world examples. Covers SELECT, WHERE, JOINs, GROUP BY, subqueries, and indexing — everything you need to query databases confidently.
SQL Interview Questions: Advanced Level (Q101–Q200)
100 advanced SQL interview questions with answers — window functions, CTEs, recursive queries, query optimization, execution plans, locking, and complex analytical patterns used in senior-level interviews.
SQL Interview Questions: Expert Level (Q201–Q300)
100 expert SQL interview questions with answers — database internals, query optimization, distributed databases, data warehousing, OLAP, partitioning, sharding, and system design. For senior engineer and staff-level interviews.
SQL Interview Questions: Medium Level (Q1–Q100)
100 SQL interview questions with detailed answers — joins, aggregations, subqueries, GROUP BY, HAVING, NULL handling, duplicates, and ranking. Covers the most commonly asked questions in tech interviews.
SQL Real-World Project: E-Commerce Analytics Database
Build a complete e-commerce analytics system from scratch. Design the schema, load data, write complex reporting queries, and create a dashboard data layer — exactly as done in production.
System Design: Complete Guide with Real-World Examples
Master system design from fundamentals to senior-level interviews. Covers scalability, databases, caching, message queues, API design, CAP theorem, and full design walkthroughs for URL shortener, Twitter feed, and payment systems.
Building a Production RAG Pipeline: From Documents to Answers
A complete guide to building a Retrieval-Augmented Generation pipeline that actually works in production — document ingestion, vector storage, retrieval, and LLM integration.
Clean Architecture in .NET: A Practical Guide
How to structure .NET applications using Clean Architecture — with real project structure, dependency injection, and CQRS patterns.
Building ETL Pipelines with Azure Data Factory
Design and build production data pipelines using Azure Data Factory — from source extraction to data lake storage with real-world patterns.