39_Jatin Jain Jain

Full-Stack Developer

Sirsa, India 1+ yrs exp 83 · Excellent

About

Full-Stack Developer with 1+ years of experience in MERN and Web3 technologies, with foundational knowledge of Generative AI, LLMs, embeddings, vector databases, and RAG. LeetCode Knight with a peak rating of 1914 and 2000+ problems solved. Experienced in building full-stack applications using React, Node.js, REST APIs, and real-time technologies, with a strong foundation in Data Structures and Algorithms.

Skills & Expertise (36)

JavaScript Intermediate

6.5/10

Years Exp

Full-Stack Development Intermediate

6.5/10

Years Exp

REST APIs Intermediate

6.5/10

Years Exp

Express.js Intermediate

6.5/10

Years Exp

Node.js Intermediate

6.5/10

Years Exp

React.js Intermediate

6.5/10

Years Exp

HTML Intermediate

6.0/10

Years Exp

Postman Intermediate

6.0/10

Years Exp

GitHub Intermediate

6.0/10

Years Exp

Git Intermediate

6.0/10

Years Exp

CSS Intermediate

6.0/10

Years Exp

MongoDb Intermediate

6.0/10

Years Exp

Chakra UI Intermediate

6.0/10

Years Exp

Tailwind CSS Intermediate

6.0/10

Years Exp

Socket.IO Intermediate

5.5/10

Years Exp

Ethers.js Intermediate

5.5/10

Years Exp

MetaMask Intermediate

5.5/10

Years Exp

Solidity Intermediate

5.5/10

Years Exp

Typescript Intermediate

5.5/10

Years Exp

Firebase Intermediate

5.5/10

Years Exp

Cloudinary Intermediate

5.5/10

Years Exp

MySql Intermediate

5.0/10

Years Exp

SQL Intermediate

5.0/10

Years Exp

Object-Oriented Programming Intermediate

5.0/10

Years Exp

Data Structures & Algorithms Beginner

4.5/10

Years Exp

Python Beginner

4.5/10

Years Exp

Retrieval-Augmented Generation Beginner

4.0/10

Years Exp

pdfkit Beginner

4.0/10

Years Exp

Semantic Search Beginner

4.0/10

Years Exp

Embeddings Beginner

4.0/10

Years Exp

LLM Fundamentals Beginner

4.0/10

Years Exp

C/C++ Beginner

3.5/10

Years Exp

JWT Sequelize Next.js DBMS

Work Experience

Full-Stack Developer

Web Temple

Oct 2025 - Present

Established blockchain wallet connectivity using Reown AppKit, enabling secure MetaMask authentication for web3 applications. Enhanced and tested Ethereum smart contracts in Solidity, including ERC-20 token implementation. Applied frontend interfaces with blockchain wallets for on-chain transaction handling. Collaborated on backend/frontend features while debugging and improving system stability.

Full-Stack Developer

Explorations and Innovations Technologies

Jun 2025 - Sep 2025

Expanded full-stack admin panel using MERN stack for managing users, roles, and system data. Executed RESTful APIs in Node.js/Express for secure data handling. Improved interactive dashboards with analytics for enhanced data visualization and system monitoring. Enforced error logging and monitoring with Winston and MongoDB to increase system reliability.