Rakibul Hasan rbkhan007

👋 Hi, I'm Rakibul Hasan

A results-driven Full-Stack Developer who ships production-grade software from database schema to polished UI. I specialize in AI/LLM systems, API orchestration, and cross-platform product design, with a strong focus on security, performance, and scalable DevOps.

🎓 B.Sc. in Computer Science & Engineering — United International University (UIU)
🧠 Focus: RAG pipelines, LLM orchestration, API gateways, enterprise auth & security
🚀 Currently: Building OllamoMUI, an AI gateway emulating Ollama/OpenAI APIs
💼 Looking for: Full-Time Full-Stack / AI Engineering roles, DevOps automation, and high-scale contracts
📚 Learning: Agentic workflows, Edge AI, WebGPU, and advanced Kubernetes

📚 Currently Learning

🧩 System Architecture

flowchart TB
  Client[[🌐 Web / Desktop / Mobile Client]]:::client

  subgraph GW["🌐 API Gateway · OllamoMUI"]
    Auth[[🔐 PBKDF2 Auth + RBAC]]:::sec
    API[[⚡ Ollama / OpenAI-compatible API]]:::node
    Auth --> API
    API --> RAG[[🧠 RAG Pipeline]]:::node
  end

  subgraph DATA["🗄️ Data Layer"]
    PG[("PostgreSQL + pgvector")]:::db
    TRG[("pg_trgm Search")]:::db
    Cache[("Redis Cache")]:::db
  end

  Client -->|HTTPS| Auth
  RAG --> PG
  RAG --> TRG
  API --> Cache
  GW -->|SSRF-protected fetch| LLM{{"☁️ External LLM Provider"}}:::ext

  classDef client stroke:#58a6ff,stroke-width:2px,color:#58a6ff;
  classDef node stroke:#00FFAA,stroke-width:2px,color:#00FFAA;
  classDef sec stroke:#FF6B6B,stroke-width:2px,color:#FF6B6B;
  classDef db stroke:#2088FF,stroke-width:2px,color:#1f6feb;
  classDef ext stroke:#FF00AA,stroke-width:2px,color:#FF00AA;

🛠️ Tech Stack

Languages & Frontend

Backend, Data & AI

DevOps & Security

🗺️ Skills Map

mindmap
  root((Rakibul<br/>Hasan))
    Frontend
      Next.js 15
      React Native
      TypeScript
      Tailwind CSS
      Three.js
    Backend
      Python
      FastAPI
      PostgreSQL
      pgvector
      Redis
    AI
      RAG Pipelines
      LLM Orchestration
      Technical SEO
    DevOps Sec
      Docker
      CI/CD
      Nginx
      RBAC
      OAuth
      HSTS

💼 Experience

🚀 Founder & Lead Developer — OllamoMUI	💻 Full-Stack Developer — Freelance
2025 — Present	2024 — Present
• Built an AI gateway emulating Ollama/OpenAI APIs with RAG (pgvector / pg_trgm)	• Delivered production web apps & AI integrations for global clients
• Shipped multi-platform clients (Web, Desktop, Mobile) on a single backend	• Developed RESTful services, real-time dashboards, and secure auth flows
• Enforced enterprise security: PBKDF2 auth, SSRF protection, audit logging	• Integrated LLM pipelines, RAG search, and payment/automation systems

🚀 Featured Projects

🤖 OllamoMUI	🎓 GradBridge	🖼️ ClippingBD Studio
AI Gateway · FastAPI · pgvector	Education · Next.js · Supabase	Studio Platform · Vercel

🎯 SiteSniper-AI	🚀 Nexus-Crypto-Ventory	🛍️ VeloCommerce-AI
AI Analysis · Python	Crypto · TS · Prisma	Marketplace · AI

🔗 Project Map

flowchart LR
  Me((Rakibul<br/>Hasan)):::me

  subgraph AI["AI / LLM"]
    OllamoMUI[OllamoMUI]:::p
    SiteSniper[SiteSniper-AI]:::p
    Velo[VeloCommerce-AI]:::p
  end

  subgraph WEB["Web / Platform"]
    Grad[GradBridge]:::p
    Clip[ClippingBD Studio]:::p
    Nexus[Nexus-Crypto-Ventory]:::p
  end

  Me --> OllamoMUI
  Me --> SiteSniper
  Me --> Velo
  Me --> Grad
  Me --> Clip
  Me --> Nexus

  classDef me stroke:#00FFAA,stroke-width:3px,color:#00FFAA;
  classDef p stroke:#2088FF,stroke-width:2px,color:#1f6feb;

🔄 DevOps & CI/CD Pipeline

flowchart LR
  subgraph DEV["👨‍💻 Development"]
    A([Code Push]):::node
    B[[GitHub Repository]]:::node
  end

  subgraph CI["⚙️ CI Pipeline"]
    C[[GitHub Actions]]:::node --> D{Lint & Test Pass?}
    D -->|No| E([Notify Developer]):::fail
    D -->|Yes| F[[Build Docker Image]]:::node
  end

  subgraph CD["🚀 CD Pipeline"]
    G[[Push to Registry]]:::node --> H[[Deploy to Vercel / Cloud]]:::node
    H --> I([Production Ready]):::ok
  end

  A --> B --> C
  F --> G
  I -.->|Telemetry & Rollback| A

  classDef node stroke:#00FFAA,stroke-width:2px,color:#00FFAA;
  classDef ok stroke:#00FFAA,stroke-width:2px,color:#1a7f37;
  classDef fail stroke:#FF6B6B,stroke-width:2px,color:#cf222e;