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niyontwali/README.md

👋 Hi, I'm John Niyontwali

Senior Full-Stack Engineer & Technical Mentor

Website LinkedIn YouTube Email

My Journey

Senior Full-Stack Engineer with extensive experience building scalable web applications, mobile applications, and enterprise systems across key global sectors, including Healthcare, Financial Services, E-commerce & Retail, Public Sector (Government), Education, and Real Estate & Property Management.

Technical Toolkit

Languages

JavaScript TypeScript Python Java C# PHP Dart

Frontend & Mobile

React Next.js Angular React Native Flutter

Backend & APIs

Node.js NestJS Spring Boot FastAPI .NET Core

Databases & Cloud

PostgreSQL MongoDB Redis AWS Docker Kubernetes

🎯 Current Focus

  • AI & LLM integrations
  • Microservices & cloud-native systems
  • Advanced E2E testing (Playwright)
  • Performance & scalability optimization

"Transforming ideas into reality through code, and developers into industry professionals through mentorship."

Pinned Loading

  1. Comprehensive and beginner-friendly ... Comprehensive and beginner-friendly SQL Server notes including installation steps, SQL vs T-SQL differences, CRUD operations, joins, stored procedures, and more
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    # SQL Server Complete Notes for Beginners and Trainers
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    ## 1. Introduction to SQL Server
    
              
    
          
    
    
    
  
    

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        C# Basics and .NET Setup.md  C# Basics and .NET Setup.md      
    

          
    
              
    
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    # C# Programming Fundamentals and Dotnet
    
              
    
              
    
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    ## Content Outline
    
              
    
              
    
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    - [Introduction to C# and .NET](#introduction-to-c-and-net)
    
              
    
              
    
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    - [Creating a C# Console Application](#creating-a-c-console-application)
    
              
    
          
    
    
    
  
    

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        ASP.NET Core Web API.md  ASP.NET Core Web API.md      
    

          
    
              
    
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    # ASP.NET Core 8 Web API with MVC & EF Core - Complete Guide
    
              
    
              
    
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    ## Table of Contents
    
              
    
              
    
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    1. [Core Concepts](#core-concepts)
    
              
    
              
    
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    2. [Project Setup](#project-setup)
    
              
    
          
    
    
    
  
    

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