I’m a Software Engineer with 3+ years of hands-on experience in: Java (Spring Boot, Microservices, REST APIs) MERN Stack (MongoDB, Express.js, React, Next.js, Node.js, Nest.js, RabbitMQ, BullMQ, Redis, PostgreSQL) Scalable APIs, Cloud & Microservices Architecture Optimized Backend Solutions & Database Management What sets me apart? I also bring expertise in Blockchain development, where I’ve worked on: Smart Contracts (Solidity, Ethereum, Polygon) Web3.js & Ethers.js integration Decentralized Applications (dApps) Token Standards (ERC-20, ERC-721, NFT projects) Secure Wallet Integrations & Blockchain APIs What I Can Deliver Full-stack Web Applications REST & GraphQL APIs Blockchain-based Solutions (dApps, NFT, DeFi) Secure & Scalable Backend Systems Third-party API Integrations (Google Ads, Facebook Ads, Outlook, etc.) Database Design & Optimization (MongoDB, MySQL, PostgreSQL) Why Choose Me? Proven track record in enterprise-level applications Experience integrating marketing platforms & analytics tools Strong problem-solving & debugging skills Committed to clean code and long-term maintainability Timely delivery & professional communication Packages Basic – Bug Fixes, Small Features, API Integration Standard – Full Backend/Frontend Module Development Premium – End-to-End Full Stack + Blockchain-enabled Application Let’s bring your idea to life with modern, scalable, and future-ready solutions!…

Tahir Khan

I’m a Software Engineer with 3+ years of hands-on experience in: Java (Spring Boot, Microservices, REST APIs) MERN Stack (MongoDB, Express.js, React, Next.js, Node.js, Nest.js, RabbitMQ, BullMQ, Redis, PostgreSQL) Scalable APIs, Cloud & Microservices Architecture Optimized Backend Solutions & Database Management What sets me apart? I also bring expertise in Blockchain development, where I’ve worked on: Smart Contracts (Solidity, Ethereum, Polygon) Web3.js & Ethers.js integration Decentralized Applications (dApps) Token Standards (ERC-20, ERC-721, NFT projects) Secure Wallet Integrations & Blockchain APIs What I Can Deliver Full-stack Web Applications REST & GraphQL APIs Blockchain-based Solutions (dApps, NFT, DeFi) Secure & Scalable Backend Systems Third-party API Integrations (Google Ads, Facebook Ads, Outlook, etc.) Database Design & Optimization (MongoDB, MySQL, PostgreSQL) Why Choose Me? Proven track record in enterprise-level applications Experience integrating marketing platforms & analytics tools Strong problem-solving & debugging skills Committed to clean code and long-term maintainability Timely delivery & professional communication Packages Basic – Bug Fixes, Small Features, API Integration Standard – Full Backend/Frontend Module Development Premium – End-to-End Full Stack + Blockchain-enabled Application Let’s bring your idea to life with modern, scalable, and future-ready solutions!…

Available to hire

I’m a Software Engineer with 3+ years of hands-on experience in:

Java (Spring Boot, Microservices, REST APIs)

MERN Stack (MongoDB, Express.js, React, Next.js, Node.js, Nest.js, RabbitMQ, BullMQ, Redis, PostgreSQL)

Scalable APIs, Cloud & Microservices Architecture

Optimized Backend Solutions & Database Management

What sets me apart?

I also bring expertise in Blockchain development, where I’ve worked on:

Smart Contracts (Solidity, Ethereum, Polygon)

Web3.js & Ethers.js integration

Decentralized Applications (dApps)

Token Standards (ERC-20, ERC-721, NFT projects)

Secure Wallet Integrations & Blockchain APIs

What I Can Deliver
Full-stack Web Applications
REST & GraphQL APIs
Blockchain-based Solutions (dApps, NFT, DeFi)
Secure & Scalable Backend Systems
Third-party API Integrations (Google Ads, Facebook Ads, Outlook, etc.)
Database Design & Optimization (MongoDB, MySQL, PostgreSQL)
Why Choose Me?
Proven track record in enterprise-level applications
Experience integrating marketing platforms & analytics tools
Strong problem-solving & debugging skills
Committed to clean code and long-term maintainability
Timely delivery & professional communication
Packages
Basic – Bug Fixes, Small Features, API Integration
Standard – Full Backend/Frontend Module Development
Premium – End-to-End Full Stack + Blockchain-enabled Application

Let’s bring your idea to life with modern, scalable, and future-ready solutions!

See more

Skills

Experience Level

MongoDB
Expert
WordPress
Expert
React JS
Expert
PHP
Expert
Node.js
Expert
Microsoft SQL
Expert
Laravel
Expert
Java
Expert
JavaScript
Expert
SQL
Expert
TypeScript
Expert
GitHub
Expert
React Native
Expert
MySQL
Expert
Express
Expert
Docker
Expert
Spring
Expert
Kubernetes
Expert
PostgreSQL
Expert
Socket.IO
Expert
AWS
Intermediate
Tailwind
Intermediate
HTML5
Intermediate
CSS
Intermediate
n8n
Intermediate
GraphQL
Intermediate
Elementor
Intermediate
See more

Language

English
Fluent
Hindi
Fluent
Javanese
Advanced

Work Experience

Software Engineer at Fudugo Solutions
May 1, 2024 - June 7, 2024
Developed and deployed a pipeline for Dental Solutions, integrating marketing platforms to fetch lead data from Google Ads, Facebook Ads, and Instagram Ads for better analytics and re-targeting. Extracted and optimized Google Campaign data using gRPC and GAQL within Java and Next.js. Created a headless architecture with ReactJS and integrated REST API in Java Spring Boot for a robust backend solution. Automated OAuth2.0 authentication flow to generate access tokens using Java and MySQL. Developed a dental appointment booking solution via WhatsApp, improving patient data tracking and boosting user satisfaction by 50%.
Software Engineer at Ensivo Solutions Pvt Ltd
April 1, 2023 - May 31, 2024
Optimized complex SQL queries for high-performance data retrieval under 10ms. Engineered an advanced audio and screen recording solution with Typescript and Java Spring Boot, reducing app crashes by 30% through optimized state management. Implemented Swagger UI for API documentation and added tele-calling features within the Java Spring Boot ecosystem.

Education

B.Tech Computer Engineering at Government College Of Engineering Jalgaon
August 1, 2017 - August 1, 2021
Bachelor's Degree at Government College of Engineering, Jalgaon
August 1, 2017 - August 31, 2021
Bachelor of Engineering in Computer Engineering at Government College of Engineering, Jalgaon
January 11, 2030 - August 1, 2021
Bachelor of Engineering in Computer Engineering at Government College of Engineering, Jalgaon
January 11, 2030 - August 1, 2021

Qualifications

B.Tech Computer Engineering
August 1, 2017 - August 1, 2021
Full Stack Web Development + DSA
January 1, 2025 - January 31, 2025
Full Stack MERN
March 1, 2025 - March 31, 2025
Full Stack Web Development + DSA
January 1, 2025 - March 26, 2026
Full Stack Web Development + DSA
January 1, 2025 - March 28, 2026

Industry Experience

Software & Internet, Computers & Electronics, Healthcare, Financial Services
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