Yashvardhan Agarwal

Full-Stack Software Developer

Jaipur, Rajasthan 0+ yrs exp 81 · Excellent

About

Full-Stack Software Developer (Backend-Focused) with experience building scalable web applications, RESTful APIs, authentication systems, and backend services using React.js, Node.js, Express.js, and MongoDB. Strong foundation in Data Structures & Algorithms, OOP, DBMS, and SQL, with 450+ coding problems solved across LeetCode and GFG. Experienced in debugging production issues, API development, OAuth/SSO integration, and full-stack application development.

Skills & Expertise (34)

React.js Advanced

8.0/10

Years Exp

Node.js Advanced

8.0/10

Years Exp

HTML5 Advanced

7.0/10

Years Exp

CSS3 Advanced

7.0/10

Years Exp

Git Advanced

7.0/10

Years Exp

Python Intermediate

6.5/10

Years Exp

Docker Intermediate

6.0/10

Years Exp

SQL Intermediate

6.0/10

Years Exp

Postman Intermediate

6.0/10

Years Exp

MongoDb Intermediate

6.0/10

Years Exp

Data Structures & Algorithms Postgresql OOP DBMS Operating systems Computer Networks GitHub Vercel Render VS Code MS Office REST API Integration BCrypt JWT C++ MySql Express.js Responsive Design bootstrap Tailwind CSS Redux Toolkit React Hooks React Router Javascript (ES6+

Work Experience

Full-Stack Developer Intern

DataToBiz

May 2026 - Aug 2026

Debugged and resolved 20+ frontend and backend production issues, performing root-cause analysis, reproducing issues, and implementing reliable fixes to improve application stability. Developed and tested scalable RESTful APIs using Node.js and Express.js, handling request validation, error handling, API responses, and MongoDB database interactions. Implemented and tested secure SSO authentication using Azure MSAL and LinkedIn OAuth, including role-based access control (RBAC) and authentication workflows to ensure secure application functionality.

Software Development Engineer Intern

VibesGood

May 2025 - Jun 2025

Developed secure RESTful APIs using Node.js and Express.js, leveraging middleware validation, centralized error handling, and scalable backend architecture to ensure reliable service delivery. Designed and optimized MongoDB schemas, indexes, and queries, improving database query performance by 30% for customer management and e-commerce operations. Developed a scalable backend following the MVC architecture, collaborating in an Agile/Scrum environment with sprint planning, code reviews, and debugging to deliver maintainable production-ready features.