const khairul = {
name: "Khairul Bashar Sakib",
role: "Full Stack Developer",
location: "Dhaka, Bangladesh ๐ง๐ฉ",
education: "B.Sc in Computer Science & Engineering",
university: "Dhaka International University (2022 - 2025)",
currentlyLearning: [
"Advanced React Patterns",
"System Design",
"Web Security",
],
currentlyWorkingOn: "Building secure and scalable web applications",
askMeAbout: [
"Web Development",
"JavaScript",
"TypeScript",
"React",
"Node.js",
"Database Design",
"API Development",
"Authentication & Authorization",
],
};- RESTful API Design
- JWT Authentication
- Access/Refresh Token Rotation
- Role-Based Access Control (RBAC)
- Rate Limiting
- Audit Logging
- Server-side Pagination
- Clean Code & Debugging
๐ Role-Based Access Control (RBAC) System TypeScript, React, Redux Toolkit, Node.js, Express.js, MongoDB
- Engineered a secure identity architecture using JWT authentication with automated access/refresh token rotation.
- Implemented invite-only registration and granular role middleware for Admin, Manager, and Staff permissions.
- Built scalable APIs with audit logging, rate limiting, and server-side pagination for high-performance data handling.
๐ต Sound Analyzer & Recorder React Native, Expo, Android, Web
- Developed a dual-module audio tool for Android and Web with live decibel metering (LAF & LAeq).
- Implemented real-time frequency spectrum analysis from 25Hz to 16kHz.
- Optimized rendering for smooth 60fps Time History graph performance on mobile devices.
๐ Multi-User Blogging Platform HTML, Tailwind CSS, React.js, Node.js, Express.js, MongoDB
- Architected a full-featured CMS supporting user registration, authentication, and blog management.
- Secured backend routes using JWT and bcrypt.
- Built a responsive UI with advanced filtering by categories, tags, and search.
๐ Notes App HTML, Tailwind CSS, React.js, Node.js, Express.js, MongoDB
- Engineered a secure, state-managed note system with real-time UI updates.
- Implemented personalized data management with robust authentication and authorization.
- Optimized MongoDB indexing for faster search and retrieval.
๐ Bachelor of Science in Computer Science & Engineering
๐ Dhaka International University | 2022 - 2025
๐ CGPA: 3.66 / 4.00
- Complete Intro to React, v9 โ Frontend Masters (Dec 2025)
- Web Security, v2 โ Frontend Masters (Dec 2025)
- JavaScript: The Hard Parts, v2 โ Frontend Masters (Oct 2025)
- Complete Intro to Web Development, v3 โ Frontend Masters (Sep 2025)
- JavaScript: From First Steps to Professional โ Frontend Masters (Sep 2025)
๐ง๐ฉ Bangla - Native
๐บ๐ธ English - Fluent
๐ฎ๐ณ Hindi - Conversational
๐ต๐ฐ Urdu - Conversational
I'm always interested in collaborating on exciting projects and learning from fellow developers. Whether you have a project idea, want to discuss technology, or just want to say hi - feel free to reach out!
"Code is like humor. When you have to explain it, it's bad." - Cory House


