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rakibulinux/README.md
Rakibulinux Banner

Hi πŸ‘‹, I'm MD Rakibul Islam Rakib

Full-Stack Engineer β€’ DevOps Engineer β€’ Linux System Administrator from Bangladesh πŸ‡§πŸ‡©


πŸš€ About Me

I’m a Full-Stack Developer & DevOps Engineer with 5+ years of experience building scalable applications and managing production infrastructure.

I specialize in:

  • High-performance web applications (React / Next.js)
  • Backend systems (Node.js, Express.js, Nest.js, APIs)
  • DevOps & cloud infrastructure (Docker, Kubernetes, AWS)
  • Linux server management & security

πŸ’‘ I build end-to-end systems β€” from UI β†’ backend β†’ deployment β†’ scaling.


πŸ”§ Tech Stack

πŸ–₯️ Frontend

  • React.js, Next.js, TypeScript, JavaScript
  • Redux Toolkit, Zustand, RTK Query
  • Tailwind CSS, ShadCN UI, MUI, Flowbite
  • Responsive Design (Figma β†’ Production)

βš™οΈ Backend

  • Node.js, Express.js, Nest.js
  • REST APIs, Prisma ORM
  • PostgreSQL, MongoDB
  • Auth (JWT, NextAuth), RBAC
  • WebSockets (Socket.io)

☁️ DevOps & Infrastructure

  • Linux (Ubuntu, CentOS, Red Hat)
  • Docker, Kubernetes
  • AWS (EC2, EKS), Azure, GCP, DigitalOcean
  • CI/CD Pipelines (GitHub Actions, GitLab CI)
  • Nginx, Server Hardening, Monitoring

πŸ€– AI & Integrations

  • AI API integrations (LLMs, STT, TTS)
  • Chatbots & AI features
  • Image generation & automation tools

πŸ’Ό Professional Experience

Full Stack Engineer β€” NETME

πŸ“… Jul 2024 – Apr 2026

  • Built features for a multi-region social platform
  • Developed UI, backend APIs, authentication & event systems
  • Designed DB schemas & handled deployments
  • Worked on production environment: dev.netme.eu

Full-Stack Developer β€” NexStack

πŸ“… Mar 2024 – Jul 2024

  • Delivered scalable SaaS applications using Next.js & Node.js
  • Collaborated with cross-functional teams
  • Managed production deployments using Docker & cloud infra

Linux System Administrator β€” StudiaNova

πŸ“… Aug 2020 – Present

  • Managed production servers for virtual school platform
  • Implemented security hardening, backups & monitoring
  • Ensured uptime and performance optimization
  • Solved real-time server & network issues

🧠 Key Projects

πŸ”Ή AI Platform – Miragic.ai

  • Built AI-powered features: image generation, try-on, STT/TTS
  • Integrated multiple AI APIs
  • Optimized frontend performance

πŸ”Ή Social Platform – NETME

  • Real-time user connection platform
  • Authentication, profiles, event systems
  • Production deployment support

πŸ”Ή AI Chat App – TalkAI

  • Real-time chatbot platform
  • Improved state management & performance
  • Integrated AI APIs

πŸ”Ή Personal Platform (Portfolio + Marketplace)

🌐 https://www.rakibulinux.com/

  • Portfolio + service marketplace system
  • Stripe payments & user dashboard
  • Full admin panel

Tech: Next.js, PostgreSQL, Prisma, Stripe, JWT


πŸ† Leadership

Team Lead β€” Blogging Platform

  • Led a team of 6 developers
  • Built full-stack platform with premium subscriptions
  • Integrated payments (SSLCOMMERZ)

🧠 How I Build Systems

  • Design for scalability first (stateless services, horizontal scaling)
  • Use caching layers (Redis) to reduce DB load
  • Implement queue systems for async processing
  • Secure systems with RBAC + JWT + server hardening
  • Optimize performance with profiling & monitoring
  • Automate everything via CI/CD pipelines

🧩 Engineering Strengths

  • System Design & Architecture
  • Performance Optimization
  • Backend Scalability
  • DevOps & Infrastructure Automation
  • Debugging Complex Production Issues

πŸ—οΈ System Design Examples

βœ”οΈ 1. Scalable SaaS Architecture

graph TD

A[Client] --> B[Next.js Frontend]
B --> C[API Gateway]

C --> D[Auth Service]
C --> E[Application Service]
C --> F[Payment Service]

E --> G[(PostgreSQL)]
E --> H[(Redis Cache)]
E --> I[(MongoDB)]

C --> J[Message Queue - RabbitMQ Kafka]

J --> K[Worker Services]

K --> L[Email Notifications]
K --> M[Background Jobs]

C --> N[Docker Containers]
N --> O[Kubernetes Cluster]

O --> P[Cloud Provider AWS DO]
Loading

βœ”οΈ 2. Real-Time Chat System (Fixed)

graph TD

A[Client App] --> B[Next.js Frontend]

B --> C[WebSocket Server]
B --> D[REST API]

C --> E[Real Time Engine SocketIO]

D --> F[Backend Node Nest]

F --> G[(PostgreSQL)]
F --> H[(Redis PubSub)]

F --> I[AI API LLM]

H --> E
E --> A
Loading

βœ”οΈ 3. API + Cache (Safe Version)

graph TD

A[Client] --> B[API Server]

B --> C{Cache Hit?}

C -->|Yes| D[Return from Redis]
C -->|No| E[Query Database]

E --> F[(PostgreSQL)]

F --> G[Store in Redis]

G --> D
Loading

πŸ“Š GitHub Insights


🌐 Connect With Me


πŸ’‘ What I Bring

  • End-to-end system development (Frontend β†’ Backend β†’ DevOps)
  • Production-grade deployment experience
  • Strong debugging & problem-solving skills
  • Experience with global clients

β˜• Support Me


Thanks for visiting πŸ‘‹

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