Hi, I'm Gagan đź‘‹
Computer Engineering undergrad passionate about building impactful applications with modern web and mobile technologies.
GR

About

I am a final-year Computer Engineering student at Army Institute of Technology, Pune. I have worked as a Software Engineering Intern at Mastercard, a Fullstack Developer at Catalysers Finnovate, and a Mobile Developer at Clinical AI. I’ve built projects like AI-powered chatbots, secure calling applications, and health record management apps. My skills span full-stack development (MERN/Next.js), mobile development (React Native), and integrating AI/ML into real-world applications.

Work Experience

M

Mastercard

May 2025 - July 2025
Software Engineering Intern
Worked in the Single Message Switching team focused on settlement, clearing, and advisement reports. Built a Spring Boot microservice and Angular dashboard for reconciling reports between legacy and Nexus switches. Developed a PAN masking utility to securely share sensitive customer data. Wrote JUnit tests for improving reliability of existing backend services.
C

Catalysers Finovate

Feb 2025 - Apr 2025
Fullstack Developer
Worked as a Fullstack Developer on multiple client projects. Implemented location-based site protection using GeoIP Lite and multi-tenant domain specification via Nginx reverse proxy. Developed a real-time bus tracking application with Mapbox GL, Leaflet, and WebSockets. Integrated payment gateways with Stripe and implemented webhook-based workflows.
C

Clinical AI

July 2024 - Oct 2024
Mobile Developer (Part-time)
Developed an autism app using React Native and Firebase for the US counterpart of the startup. Collaborated with the team to integrate AI technologies into the mobile app, enhancing functionality and providing insights for healthcare providers and seekers.

Education

A

Army Institute of Technology, Pune

2022 - Present
B.E in Computer Engineering

Skills

React
Next.js
TypeScript
Node.js
Express.js
MongoDB
Firebase
Python
C++
TailwindCSS
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

PeerCode

PeerCode

LeetCode activity notifier built with Node.js, Express, and Next.js. Integrated LeetCode’s GraphQL API for real-time stats, used cron jobs with Nodemailer for progress notifications, and added a friend-based leaderboard to foster collaborative coding.

Next.js
Node.js
Express.js
GraphQL
Cron Jobs
Nodemailer
TailwindCSS
Live
Source
Katalyst NGO Bot

Katalyst NGO Bot

AI chatbot platform for Katalyst India with a user-facing widget and an admin dashboard. Integrated Pinecone vector search with OpenAI embeddings for accurate semantic responses. Logged unanswered queries in MongoDB and enabled follow-up responses via EmailJS.

Next.js
TailwindCSS
TypeScript
FastAPI
MongoDB
Pinecone
OpenAI
Source
Task Management System

Task Management System

Scalable task management platform with role-based access and payment integration. Supports task creation, assignment, real-time status tracking, and subscription-based premium features. Containerized with Docker & Kubernetes, integrated Stripe webhooks, and Kafka for task updates/notifications.

Next.js
Node.js
Express.js
MongoDB
Stripe
Kafka
Docker
Kubernetes
JWT
TailwindCSS
Live
Source
youtubeDemo
Secure-Call

Secure-Call

A real-time secure calling application using WebRTC and Socket.IO. Integrated Google Speech-to-Text with CNN and ResNet models to detect scams by analyzing transcriptions for fraudulent patterns.

Next.js
Dart
WebRTC
Socket.IO
Google Speech-to-Text
CNN
ResNet
Cloudinary
Node.js
Source
PulseVault

PulseVault

Android application using React Native and Firebase to manage and access fragmented patient health records. Used React Native Paper for UI and React Navigation for routing.

React Native
Firebase
React Native Paper
Source
Hackathons

I like building things

During my time in university, I attended 5+ hackathons. People from around the country would come together and build incredible things in 2-3 days. It was eye-opening to see the endless possibilities brought to life by a group of motivated and passionate individuals.

  • D

    Delhi Police Hackathon

    Delhi, India

    Shortlisted among the top 20 teams out of 1000+ participants for innovative solutions in law enforcement and public safety.
  • I

    InnERVE 9

    India

    Shortlisted for a sponsored problem statement by Josh Technology Group, showcasing strong problem-solving and innovation.
  • M

    MasterCard CodeForChange’24

    Pune, India

    Winner among 1000+ participants by building innovative solutions for financial services.
  • C

    Codepeak 2023

    Online

    Secured AIR 4 among 6000+ participants in this open source event.
  • N

    Nexus’23 Hackathon

    IIIT Pune

    Shortlisted among 1000 teams for innovative solutions in this hackathon.
Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct question on twitter and I'll respond whenever I can. I will ignore all soliciting.

LinkedIn
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