Dhananjay Hirey

Dhananjay Hirey

Full Stack Developer

About Me

I am a Backend Developer with a strong foundation in building scalable server-side applications and secure APIs. Currently pursuing my B.Tech in Computer Science at Lovely Professional University, Punjab.

My experience spans across developing microservices with Spring Boot and gRPC, as well as building full-stack solutions using the MERN stack. I am passionate about solving data-driven engineering problems and optimizing system performance.

1624

Leetcode Rating

3+

Key Projects

8.85

CGPA

700+

DSA Problems solved

Projects

QuickTrip

A microservices-based ride-booking application. Features AuthService, UserService, RideService, and asynchronous communication via Apache Kafka.

JavaSpring BootMicroservicesgRPCKafkaPostgreSQLDocker
GitHub

VPT E-Commerce

Production-ready MERN-based e-commerce platform. Features JWT authentication, Razorpay payments, role-based access control, and an admin dashboard.

MongoDBExpressReactNode.jsReduxRazorpay
GitHubLive Demo

Joystick Controller

Joystick-based mobile controller for slowroads.io. Use your phone to steer your car in real-time! Built with React Native.

React NativeNode.jsSocket.IO
GitHubLive Demo

Controller Server

Express.js server for joystick-based control of slowroads.io — receives input from phone and simulates keypresses using robotjs.

Express.jsRobotJSWebSockets
GitHubLive Demo

Technical Skills

Languages

HTMLCSSJavaScriptTypeScriptC++Java

Backend

Node.jsExpress.jsSpring BootgRPCREST APIsGoogle Cloud Platform

Frontend

React.jsNext.jsReact NativeTailwind CSS

Databases

PostgreSQLMongoDBNoSQL

Tools & DevOps

GitGitHubDockerPostmanCloudinaryRazorpayHibernate ORM

Experience

React Native Developer Intern

Mar, 2025 – June, 2025
C&B FREELANCERS, BENGALURU (Remote)
  • Developed and maintained a scalable mobile app frontend using React Native and Redux Toolkit, improving state management efficiency by 30%.
  • Implemented real-time chat (messaging, read receipts, presence) with Socket.IO, reducing message latency by 40%.
  • Built live location sharing and map-based UI using Google Maps, Places APIs and Google Cloud Platform.
  • Collaborated with backend and design teams to streamline data flow.

Certifications

Oracle Cloud Infrastructure Certified Devops Professional

Oracle • 2025

View Certificate

Foundations of Cyber Security

Google • 2024

View Certificate

Bits and Bytes of Computer Networking

Google • 2024

View Certificate