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aftabkajal/README.md

Hi, I'm Md. Aftab Uddin Kajal 👋

Senior Software Engineer | .NET Backend Engineer | Microservices | AI/LLM

I'm a Senior Software Engineer with 8+ years of experience specializing in backend development, distributed systems, microservices, and enterprise applications.

I build scalable and maintainable systems using C#, ASP.NET Core, .NET, PostgreSQL, MongoDB, Docker, Kubernetes, and modern cloud-native technologies.

Currently, I'm also exploring AI Engineering, AI-assisted development, LLM applications, Semantic Kernel, RAG, and Text-to-SQL to bring AI capabilities into real-world enterprise systems.


🚀 About Me

  • 💻 8+ years of professional software engineering experience
  • 🔧 Specialized in C# / .NET / ASP.NET Core
  • 🏗️ Experienced in Microservices, Clean Architecture, CQRS & DDD
  • 🗄️ Strong experience with PostgreSQL, SQL Server, MongoDB & EF Core
  • 🐳 Hands-on with Docker, Kubernetes & CI/CD
  • 🔄 Experienced with RabbitMQ, MassTransit & distributed systems
  • ⚡ Interested in performance optimization and scalable backend architecture
  • 🤖 Currently exploring LLMs, AI Agents, Semantic Kernel & Text-to-SQL
  • 🌱 Continuously learning modern software architecture and AI engineering
  • 🌍 Open to remote and international opportunities

🛠️ Tech Stack

Languages

C# TypeScript JavaScript SQL

Backend & Frameworks

.NET ASP.NET Core Entity Framework Core MediatR Dapper

Architecture & Design

  • Microservices Architecture
  • Clean Architecture
  • Domain-Driven Design (DDD)
  • CQRS
  • Event-Driven Architecture
  • Repository & Unit of Work
  • API Gateway
  • Distributed Systems
  • SOLID Principles
  • Design Patterns

Databases

PostgreSQL SQL Server MongoDB Redis

Messaging & Distributed Systems

RabbitMQ

  • RabbitMQ
  • MassTransit
  • Redis
  • Consul
  • Ocelot API Gateway

DevOps & Cloud

Docker Kubernetes AWS Git

  • Docker & Docker Compose
  • Kubernetes
  • Helm
  • AWS ECR
  • Docker Hub
  • CI/CD
  • Bitbucket Pipelines

Observability

  • OpenTelemetry
  • Prometheus
  • Grafana
  • Jaeger
  • Distributed Tracing
  • Application Monitoring

AI & LLM

OpenAI

  • Large Language Models (LLMs)
  • Semantic Kernel
  • Ollama
  • Text-to-SQL
  • RAG Architecture
  • AI Chatbots
  • Prompt Engineering
  • SQL Generation
  • AI-powered Enterprise Applications

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