Hello, I'm
Full Stack Developer & Graphic Designer ↗
B.Tech CSE graduate from Buddha Institute of Technology, Gorakhpur. Passionate about building scalable backend systems, real-world APIs, and full-stack web applications & more. 265+ LeetCode problems solved and counting.
Who I Am
Full Stack Web & Application
Development
B.Tech
Computer Science & Engineering
265+ Problems
Solved
C
C++
Hi, I'm Amar Kumar — a Computer Science & Engineering graduate with a passion for backend development and full-stack web applications. I work with HTML, CSS, JavaScript, Node.js, Express.js, MongoDB, and MySQL, and have hands-on experience in Flutter mobile app development.
I've built projects like e-commerce platforms, live device tracking systems, and a case management mobile app, always focusing on real-world problem solving and clean architecture. I actively sharpen my skills through competitive coding — 265+ problems on LeetCode and growing.
What I Know
What I've Built
A full-stack application to track devices in real-time using GPS, built with Node.js, Express, MongoDB, and Socket.IO. It supports live location updates, geofencing, and secure authentication.
Live
AeroAgent – A comprehensive flight booking platform for agents and admins to manage bookings, clients, and grow their travel business seamlessly.
Live
A weather forecast web application that allows users to search any city and view real-time weather conditions including temperature, humidity, and wind speed using API integration.
Live
A full-featured job portal platform with resume management, job search, and application tracking and use AI Chatbot. Built with a robust RESTful backend.
Live
Hotel Room Reservation System with optimal room allocation algorithm minimizing travel time across 10 floors & 97 rooms.
Live
Finance Dashboard Backend — REST API built with Node.js, Express & MongoDB. Features JWT auth, role-based access control (Admin/Analyst/Viewer), financial records CRUD, dashboard analytics, and input validation.
Live
Online Kachahari is a mobile application that enables users to register legal complaints, manage case records, and track case progress online, helping streamline basic legal processes through a digital platform.
An end-to-end movie booking system featuring seat selection, booking management, and real-time availability, backed by a relational database.
An AI-powered email automation system that intelligently categorizes, drafts, and sends emails based on user preferences and context.
A scalable backend API for a food delivery platform — handles orders, menus, auth, and real-time delivery tracking with JWT-secured endpoints.
Verified Learning
Milestones
A collection of milestones, competitive rankings, and recognition earned throughout my engineering journey — each one a step forward in my growth as a developer.
Data Structures & Algorithms
Full-stack & Backend systems
Verified online courses
Among all registered users
Let's Connect
Whether it's a job opportunity, freelance project, or just a chat — my inbox is always open. I'll get back to you as soon as possible!