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// software engineer & builder

ManjeetSingh,
SoftwareEngineer.

Full-Stack Developer_

I build resilient backend architectures and highly polished digital experiences that wow users.

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Projects Built
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Years Coding
Next.js
Spring Boot
React
Manjeet Singh
Who I Am

About Me

about.ts
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Hey! I'm Manjeet Singh — a Full-Stack Developer pursuing my B.E. at Lovely Professional University. I build robust backends with Java & Spring Boot and sleek frontends with React.

Beyond code, I run two YouTube channels — ScienceHindi360 and Beyond Belief Space — where I use AI tools to bring space science to life for audiences in Hindi and English.

I believe great software is both technically sound and visually stunning — whether it's a REST API or a video about black holes.

Open to WorkBuilding ScienceHindi360Learning AWS
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My Work

Featured Projects

Quiz Management System
Featured Project

Quiz Management System

A comprehensive scalable quiz platform supporting user authentication, dynamic quiz creation, and real-time attempt tracking. Built with a robust Java/Spring Boot backend honoring clean architecture principles.
  • Java
  • Spring Boot
  • React
  • JWT
  • PostgreSQL
Smart Contact Manager
Featured Project

Smart Contact Manager

A secure cloud-based contact management solution with OAuth2 integration (Google/GitHub) and role-based access control. Features a responsive Thymeleaf UI and reliable data persistence.
  • Spring Security
  • OAuth2
  • Thymeleaf
  • Docker

Other Noteworthy Projects

Tech Blog Platform

A complete blogging platform with Markdown support, commenting system, and admin dashboard.

  • React
  • Spring Boot
  • MySQL

Inventory API

High-performance REST API for inventory tracking with Redis caching and rate limiting.

  • Java 21
  • Redis
  • Spring WebFlux

Portfolio V1

My previous developer portfolio built with pure HTML, CSS, and vanilla JavaScript.

  • HTML5
  • CSS3
  • JS

ScienceHindi360 Web

A content aggregator for my space science YouTube channel, featuring article translations.

  • Next.js
  • Tailwind

Task Orchestrator

A distributed cron job manager using RabbitMQ for reliable message queuing.

  • Spring AMQP
  • RabbitMQ

Code Snippet Vault

A CLI tool and web app for saving and retrieving commonly used code snippets.

  • Go
  • React
View more on GitHub
My Arsenal

Tech Stack

Frontend

React
React
Next.js
Next.js
TypeScript
TypeScript
Tailwind CSS
Tailwind CSS
Framer Motion
Framer Motion

Backend & Database

Java
Java
Spring Boot
Spring Boot
Node.js
Node.js
PostgreSQL
PostgreSQL
Redis
Redis

Tools & DevOps

Git
Git
Docker
Docker
AWS
AWS
Linux
Linux
Figma
Figma
The Journey

My Experience

Personal Projects / Freelance

Full-Stack Developer2024 — Present
  • ▹Architected and deployed a highly scalable Quiz Management System using Spring Boot and React.
  • ▹Implemented secure OAuth2 integrations and advanced rate limiting using Redis.
  • ▹Containerized multiple services using Docker, improving deployment reliability by 40%.

ScienceHindi360 & Beyond Belief Space

Content Creator & Developer2022 — Present
  • ▹Grew educational YouTube channels to a combined audience, leveraging AI tools for script generation and video production.
  • ▹Built custom automation scripts and landing pages to support channel workflows.
  • ▹Distilled complex astrophysics concepts into accessible Hindi and English content.

Lovely Professional University

B.E. Computer Science Student2022 — 2026
  • ▹Focusing on System Design, Data Structures, and Cloud Computing.
  • ▹Led a team of 4 in developing a campus-wide inventory tracking application.
  • ▹Active member of the open-source engineering club, mentoring junior students in React.

Let's Work Together.

Currently available for full-time roles, freelance projects, and open source collaboration. Drop me a line.

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