Yashwin Gahlawat

Dedicated Web Developer with a strong foundation in Data Structures and Algorithms.

New Delhi,India

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About

Full-Stack Developer with experience in React.js, Angular, Node.js, Express.js, fastAPI, MySQL and MongoDB building robust and scalable web applications, with a strong focus on clean code, performance optimization, and user experience. Additionally, accomplished problem-solver with 700+ solved questions on LeetCode, demonstrating proficiency in algorithms, data structures, and logical problem-solving.

Work Experience

Avalon Information System

Jul 2025 - Present

Software Developer

Integrated and maintained the Jira Service Desk API using FastAPI, streamlining client bug reporting and resolution across UNICEF’s internal monitoring applications. Improved backend reliability and automation, enhancing scalability and reducing manual intervention in service desk workflows

Avalon Information System

Nov 2024 - Jun 2025

Software Developer Intern

Developed frontend modules using Angular 17 and built an audit logging mechanism with AG Grid to enable real-time event tracking in UNICEF’s monitoring systems. Enhanced CakePHP backend efficiency by introducing database indexing and applying dynamic programming techniques, reducing redundant queries by nearly 30%.

National Technical Research Organisation

Aug 2024 - Oct 2024

Intern

Developed a real-time group chat application for staff communication, utilizing React.js and implemented user authentication with JWT. Socket.IO for seamless real-time messaging and notifications, developed a robust backend using Express.js and MongoDB, ensuring efficient data management and high availability.

Education

Bhagwan Parshuram Institute of Technology

2021 - 2025
Bachelor's of Technology in Computer Science

Skills

C++
JavaScript
TypeScript
React.js
Angular
FastAPI
Node.js
Express.js
MongoDB
MySQL
WebSockets
Git
Github
Postman
RestAPIs

Projects

Flights Booking System

Developed a scalable Microservices-based Flight Booking System with Role-based Authorization, and Rate Limiting to strengthen system reliability and security.

Node.js
Express.js
Sequelize
MySQL
RabbitMQ
Nodemailer

Chatify

Developed Chatify, a real-time chat application with a Seamless UI with dark and lightmode using React.js

React.js
Node.js
Express.js
MongoDb

Codeflow

Developed a Real-time collaborative Code editor and Compiler, leveraging WebSocket for instant synchronization across multiple clients.

React.js
CSS
Node.js
Express.js
Socket.io