1234567891011const aboutMe = {name: "KAWSAR KABIR",};
role: JavaScript Developer,
education: {degree: "Diploma in Computer Science",},
college: "Mymensingh Polytechnic Institute",
email: "devkawsarkabir@gmail.com",
address: "Gazipur, Dhaka, Bangladesh",
comfortZone: "TypeScript", "Next.js", "React.js",
Featured Projects
A showcase of selected projects that highlight my expertise, innovation, and dedication to delivering exceptional results.
DEVZeroOne - EdTech Platfrom
A next-generation programming platform where you will learn core concepts, implement real projects, share your knowledge, and repeat to become a next-level developer.
- Integrated Firebase Auth with JWT for secure access
- Implemented dynamic dashboards via role-based routing
- Built scalable class & assignment management modules
Grand Royel - Hotel Booking App
A full-stack hotel booking application where users can discover rooms, make bookings, and post reviews — secured with Firebase Authentication and JWT authorization.
- Secure login & registration with Firebase + JWT
- Post and view user reviews with ratings and comments
- Manage bookings: update dates, cancel bookings with rules
Tech Stack
Logic's language, I speak in binary brilliance
TypeScript
JavaScript
Reactjs
Redux
Nextjs
ShadcnUI
Nodejs
Expressjs
MongoDB
Mongoose
Tailwind CSS
HTML
CSS
Bootstrap
Git
EXPERIENCE
As a part-time Frontend Developer at Dotlik IT, I work on projects using TypeScript, React.js, Redux, and Next.js to build fast, scalable web applications that deliver great user experiences.
A Learning Management System (LMS) is a digital platform for creating, delivering, and managing educational courses or training programs.
EDUCATION
Currently pursuing a Diploma in CST, where I am gaining a foundation in programming, software development, and IT fundamentals. I am also enhancing my skills through various online courses and projects.
Completed my SSC in the Science division at this school, focusing on subjects like Physics, Chemistry, Biology, and Mathematics, which provided a strong foundation for my further studies in technology and computer science.
My Services
I create fast, responsive websites with custom designs and optimized performance, designed for your business.
Custom Web Development
I create custom web applications that are responsive, fast, and user-friendly. Using React, Next.js, Node.js, Express, and MongoDB, I build powerful, interactive solutions that fit your business needs.
Build Your EduTech Platform
Launch a custom EduTech platform with robust features designed to engage and support students, teachers, and administrators. Using cutting-edge technologies like React, Next.js, Node.js, and MongoDB, I create scalable, user-friendly platforms that enhance online learning experiences.
E-commerce Website Build
Launch a professional E-commerce website designed to drive sales and provide a seamless shopping experience. With advanced technologies like React, Next.js, Node.js, and MongoDB, I create scalable, secure, and responsive e-commerce platforms that are tailored to your brand.
Make Your Own Portfolio
Showcase your skills and achievements with a professional portfolio website built using React, Next.js, and modern web technologies. I create fast, responsive, and user-friendly portfolios that help you stand out and make a lasting impression on potential employers or clients.
Landing Page Design
Create high-converting, visually appealing landing pages with my expert design services. Using modern tools like React, TailwindCSS, and Next.js, I ensure your landing page is not only beautiful but also optimized for conversions and a seamless user experience.
Web Dev Bug Fix
Ensure your website functions flawlessly with my Web Development Bug Fix service. I provide ongoing support to resolve issues, fix bugs, and ensure optimal performance for your web application. With expertise in technologies like React, Next.js, and Node.js, I quickly address and fix any bugs to keep your site running smoothly.
Featured Blogs
I share insights on JavaScript, frontend development, and best practices in React and TypeScript to help developers grow.
What Are Value & Reference in JavaScript? Easy Explanation of Value vs Reference
ভ্যালু (Value) কী? ভ্যালু শব্দটির সবচেয়ে সহজ এবং সরল সংজ্ঞা হলো — ভ্যালু মানে কোনো তথ্য বা ডেটা। আপনি হয়তো জানেন, কোনো ভ্যারিয়েবলের ভ্যালু কী, বা আপনি কোনো নির্দিষ্ট ভ্যালু অন্য জায়গায় পাঠাতে চাইছেন। যখন আমরা কোনো ভ্যালুকে মেমোরিতে সংরক্ষণ (store) না করি, তখন সেটিকে আমরা পরবর্তীতে ব্যবহার করতে পারি না। কারণ সেটি কোথাও রাখা হয়নি। তাই প্রোগ্রামিংয়ে ভ্যালু ব্যবহারের জন্য সেটিকে প্রথমে কোনো ভ্যারিয়েবলে রেখে দিতে হয়।
kawsar kabir
3-8-2025
JavaScript Execution Context: Call Stack, Heap Memory, and Visualizing Code Execution
জাভাস্ক্রিপ্টের Execution Context কি? এটা খায় না মাথায় দেয়, সেটার খুঁটিনাটি সকল বিষয়বস্তু আমরা দেখবো ধরে ধরে পুরোটা পড়তে থাকেন। আশা করি সকল কনফিউশন দূর হয়ে যাবে, চলুন শুরু করা যাক।
kawsar kabir
23-1-2025
Hoisting এটা আবার কি ? | Hoisting in JavaScript
জাভাস্ক্রিপ্টে Hoisting বোঝার জন্য প্রথমে জানতে হবে জাভাস্ক্রিপ্ট কীভাবে কাজ করে। জাভাস্ক্রিপ্টে Execution Context কী, আমি আমার আগের পর্বে এটি নিয়ে বিস্তারিত আলোচনা করেছি।