Full Stack Engineer

Abhinav Gupta

MCA student at IIIT Vadodara (8.51/10), BCA from GGSIPU (9.2/10), Codeforces Pupil, and problem solver with 300+ DSA problems solved.

ReactNext.jsTypeScriptJavaSpring BootPostgreSQL

Hire Me Download Resume View Projects

Profile.java

public class PortfolioProfile {
  private final String name = "Abhinav Gupta";
  private final String role = "Full Stack Developer";
  private final String location = "Delhi, India";

  public List<String> stack() {
    return List.of("React", "Next.js", "Spring Boot", "TypeScript");
  }

  public String availability() {
    return "Open to full-time, freelance, remote";
  }
}

300+ DSA

8.51 CGPA

7 Live Demos

1 Internship

Featured Work

What I've Built

Production-grade applications — React frontends, Java Spring Boot backends, REST APIs & more.

8Projects

8Featured

22Technologies

Flagship Case Study

Uber-style Ride-Hailing Backend

Ride-hailing backend with Spring Boot APIs for rider onboarding, driver matching, trip booking, fare calculation, and Dockerized deployment.

Problem

Design a backend that can coordinate riders, drivers, trips, and fare calculation with clear service boundaries.

Architecture

Layered Spring Boot services for users, drivers, rides, and pricing
REST controllers separated from business logic and persistence
Dockerized deployment path for repeatable local and cloud setup

Core APIs

Auth & rider onboardingDriver matchingRide bookingFare calculationTrip status updates

Tech Stack

JavaSpring BootREST APIsDockerOOP

GitHub Live Demo Hire Me

Uber Backend - Ride-Hailing REST API screenshot

Driver MatchingFare LogicREST APIs

Code Live

Travel World

Full Stack · MERN

MERN travel booking app with JWT auth, bcrypt-secured accounts, package discovery, booking flows, and admin CRUD controls.

MongoDBExpress.jsReact

Code

Chat App

Full Stack · Real-time

Socket.io chat app with room-based messaging, live presence indicators, and an Express backend for real-time communication.

Socket.ioNode.jsExpress

Web3 Highlight Voting DApp

Code Live

Voting DApp

Blockchain · Web3

Voting DApp with Solidity contracts, MetaMask integration, on-chain vote recording, and admin controls for candidates and election timing.

ReactExpress.jsSolidity

Code

MediCore - Hospital Management

Full Stack · Java Backend

Hospital management backend with patient records, doctor scheduling, billing modules, PostgreSQL persistence, and JWT authentication.

JavaSpring BootJWT

Code Live

Movie Ticket

Full Stack · React

Movie booking interface with seat selection, Clerk authentication, Tailwind UI, Docker support, and blockchain-backed transaction flow.

ReactDockerTailwind CSS

Code Live

Lead Dashboard

Full Stack · React

Lead management dashboard for tracking sales pipelines, protected API data, JWT auth, and PostgreSQL-backed lead records.

ReactTypeScriptTailwind CSS

Code Live

Gen AI Dashboard

Frontend · Next.js

Next.js AI dashboard with typed components, protected dashboard routes, analytics views, and PostgreSQL-backed data screens.

ReactTypeScriptTailwind CSS

About Me

Crafting Full Stack
Experiences

I care deeply about clean code, system design, and delivering experiences that users love. Whether it's a complex backend architecture or a micro-interaction on a button — every detail matters to me.

300+

DSA Problems

8.51

CGPA (MCA)

Projects Shipped

Internship

Deployments

Hackathons

Certifications

Languages

CC++JavaPythonJavaScriptTypeScriptSolidity

Frontend

HTMLCSSBootstrapTailwind CSSReact.jsNext.js

Backend & Database

Node.jsExpress.jsSpring BootMongoDBSQLREST APIs

Blockchain & Tools

Web3.jsMetaMaskGanacheTruffleRemix IDEDockerJWTGitHub

Currently Learning

Kafka event-driven architecture basicsDSA preparation for placementsAdvanced Next.js performance patternsMicroservices observability (OpenTelemetry)

What I'm Building

Kafka-backed notification pipeline prototypeSystem design notes and backend case-study writeupsConsistent DSA problem-solving routine

Open Source Contributions

My latest activity and repository stats on GitHub.

View Profile

Experience

Software Developer Intern

Aug 2023 - Oct 2023

Blockchain Developer Trainee · Code Eater

Built Ethereum smart contracts in Solidity for a marketplace and a Twitter-style dApp.
Tested and deployed contracts locally with Ganache and Truffle for reliability and correctness.
Integrated contracts with React frontend using Web3.js and MetaMask for seamless UX.
Wrote modular code with focus on security best practices and gas efficiency.