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coldworld22/README.md

Hi, I'm Ayman Osman πŸ‘‹

Senior Backend Engineer β€’ Cloud Engineer β€’ AI Engineer

Backend engineer with 7+ years of experience designing scalable distributed systems, cloud-native applications, enterprise APIs, and AI-powered platforms.

I enjoy solving complex backend problems, contributing to open source, and building production-ready software using modern cloud technologies.


πŸš€ What I Do

  • Design scalable backend architectures
  • Build REST & GraphQL APIs
  • Develop AI-powered applications using LLMs
  • Design Retrieval-Augmented Generation (RAG) systems
  • Build AI Agents & MCP-based applications
  • Create cloud-native infrastructure on AWS
  • Design event-driven microservices
  • Optimize application performance
  • Automate deployments using CI/CD
  • Infrastructure as Code using Terraform
  • Mentor developers and review architecture

πŸ’Ό Core Skills

Backend

  • TypeScript
  • Node.js
  • NestJS
  • Express.js
  • Java
  • Spring Boot
  • Python
  • FastAPI
  • Django
  • C#
  • ASP.NET Core
  • REST APIs
  • GraphQL
  • gRPC
  • WebSockets

Databases

  • PostgreSQL
  • MySQL
  • SQL Server
  • MongoDB
  • Redis

Cloud

  • AWS
  • EC2
  • ECS
  • Lambda
  • API Gateway
  • CloudWatch
  • S3
  • IAM
  • Docker
  • Kubernetes
  • Terraform

AI Engineering

  • OpenAI API
  • Anthropic Claude
  • Gemini
  • Ollama
  • LangChain
  • LangGraph
  • MCP
  • RAG
  • AI Agents
  • Prompt Engineering
  • Embeddings
  • Vector Databases
  • pgvector
  • ChromaDB
  • Pinecone

DevOps

  • GitHub Actions
  • Azure DevOps
  • Jenkins
  • Docker Compose
  • Nginx
  • Linux
  • Bash

Software Architecture

  • Microservices
  • Event-Driven Architecture
  • Domain-Driven Design (DDD)
  • Clean Architecture
  • SOLID Principles
  • CQRS
  • Design Patterns

πŸ† Certifications

βœ… AWS Certified Developer – Associate

βœ… HashiCorp Terraform Associate


🌍 Open Source

Contributor to:

  • Accord Project Template Engine
  • Accord Project Template Playground

Interested in contributing to:

  • Kubernetes
  • OpenTelemetry
  • LangChain
  • Spring AI
  • OpenAI SDK
  • Terraform Providers

πŸ“Œ Featured Projects

AI Assistant Platform

Production-ready AI assistant supporting multiple LLM providers with:

  • RAG
  • MCP
  • Tool Calling
  • AI Agents
  • Vector Search
  • Authentication
  • Streaming Responses

Tech

Node.js β€’ TypeScript β€’ PostgreSQL β€’ Redis β€’ Docker


☁ Cloud Infrastructure

Infrastructure as Code for production environments using:

  • Terraform
  • AWS
  • Docker
  • GitHub Actions

πŸ› Enterprise Backend Systems

Enterprise-grade backend services featuring:

  • JWT Authentication
  • RBAC
  • Multi-tenancy
  • Audit Logging
  • Background Jobs
  • API Integrations

πŸ“Š GitHub Stats


πŸ“š Currently Learning

  • Agentic AI
  • MCP Ecosystem
  • LangGraph
  • Kubernetes
  • System Design
  • Distributed Systems
  • Event Streaming
  • Apache Kafka

🀝 Let's Connect

Always open to discussing:

  • Backend Engineering
  • Cloud Architecture
  • AI Engineering
  • Open Source

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