Full Stack Developer @ Techbot Pvt. Ltd.

Hi, I'm Arpit Singh Rajput

I build |

Versatile Full Stack Developer crafting scalable MERN & Angular web applications, cross-platform mobile apps (Ionic/React Native), enterprise REST APIs, and cutting-edge AI features (LLMs & RAG).

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Who I Am

About Me

Hey there, I'm Arpit Singh Rajput

I am a Full Stack Developer currently working at Techbot Pvt. Ltd., specializing in scalable web applications, mobile application engineering, and AI-driven solutions (LLMs & RAG).

My core technical strength spans across the MERN Stack, Angular, Laravel, cross-platform mobile frameworks (Ionic & React Native), and cloud/mobile publishing workflows via Google Play Console.

0+ Projects Delivered
0+ Years Total Exp
0% Performance & Security

Full Stack & Mobile

MERN, Angular, Laravel, React Native, and Ionic cross-platform mobile app development.

AI & RAG Engineering

Integrating Large Language Models (LLMs), Prompt Engineering, and Retrieval-Augmented Generation solutions.

App Publishing & Billing

Managing Android app deployments, version updates, and Google Play Billing infrastructure.

Automated Data Pipelines

IMAP mail-back automation (CAMS/KARVY), web scraping, real-time dashboards, & financial file processing.

My Professional Timeline

Work Experience

Current Role

Full Stack Developer

Techbot Pvt. Ltd.

Oct 2025 – Present (9+ mos)
  • Developed scalable web applications utilizing the MERN Stack (MongoDB, Express.js, React.js, Node.js).
  • Built enterprise-grade applications using Angular and developed cross-platform mobile applications using Ionic and React Native.
  • Designed and integrated secure RESTful APIs and managed multi-database architectures across MySQL, MongoDB, PostgreSQL, and Firebase.
  • Managed Android application publishing, release updates, and Google Play Billing integration through Google Play Console.
  • Engineered AI-powered features by integrating Large Language Models (LLMs) and developing Retrieval-Augmented Generation (RAG) solutions.
  • Optimized system performance and maintained codebase version control using Git/GitHub.
MERN Stack Angular Ionic React Native LLMs & RAG Google Play Console Google Play Billing PostgreSQL MySQL Firebase

Freelancer — Full Stack Developer

Self-Employed / Independent Contracts

Feb 2025 – Oct 2025 (9 mos)
  • Developed custom MERN Stack web applications tailored to client business logic.
  • Built REST APIs using Node.js and Express.js and implemented Firebase Authentication.
  • Designed responsive, modern user interfaces using React.js and Tailwind CSS.
  • Integrated AI-powered capabilities into client web applications.
React.js Node.js Express.js Tailwind CSS Firebase Auth AI Integration

Full Stack Web Developer

Swaraj Finpro

Jan 2022 – Feb 2025 (3 yrs 2 mos)
  • Developed high-performance REST APIs for web and mobile applications using Laravel.
  • Built responsive financial dashboards and user interfaces using React.js for mutual fund data and financial reporting.
  • Automated CAMS and KARVY mail-back data processing using IMAP, handling complex DBF and CSV financial file formats.
  • Managed MySQL database schemas for customer records and transaction ledgers.
  • Implemented JWT authentication and role-based authorization for multi-tier access control.
  • Engineered AMFI NAV web scraping pipelines and real-time dashboard visualizations.
  • Optimized backend database performance, caching, and data processing throughput.
Laravel React.js PHP MySQL IMAP Automation JWT Auth Web Scraping

Freelancer — Web Developer

Self-Employed

Jan 2020 – Dec 2021 (2 years)
  • Created clean, modern, and responsive websites and landing pages for client businesses.
  • Implemented technical and on-page SEO best practices to elevate website search rankings.
  • Utilized HTML5, CSS3, JavaScript, and Git/GitHub for version control and client delivery.
JavaScript HTML5/CSS3 Git / GitHub SEO Responsive Design

Education

BCA — Web Development

Indira Gandhi National Open University (IGNOU)

Jabalpur, India | Completed / Expected Jan 2025

Diploma — Software Development

Kalaniketan Polytechnic College (RGPV)

Jabalpur, MP, India | Completed Dec 2019

Certifications & Training

RHCSA

RHCSA — RedHat Certified System Administrator

Red Hat Certified (2020)

Validated proficiency in RedHat Enterprise Linux system administration, security controls & environment management.

My Technical Toolkit

Skills & Technologies

React
React.js
Expert
NG
Angular Framework
Advanced
Next
Next.js
Advanced
TW
Tailwind CSS & Bootstrap
Expert
JS
JavaScript (ES6+)
Expert
Node
Node.js & Express.js
Expert
PHP
PHP & Laravel
Advanced
API
RESTful APIs & JWT Auth
Expert
RN
React Native
Advanced
Ionic
Ionic Framework
Advanced
AI
LLMs & RAG Solutions
Advanced
Prompt
Prompt Engineering
Advanced
MDB
MongoDB
Advanced
SQL
MySQL & PostgreSQL
Advanced
FB
Firebase & Supabase
Advanced
Play
Google Play Console & Billing
Advanced
Git
Git & GitHub
Expert

Tools, Utilities & Protocols I Work With:

Google Play Console Google Play Billing Postman VS Code Composer NPM IMAP Automation SMTP WebSocket Web Scraping DataTable D3.js jQuery JWT Auth Axios RedHat (RHCSA)
Portfolio Showcase

Featured Works

MindFlip Web Game
Live Preview
Web Game / JavaScript

MindFlip - Multiplayer Memory Game

An engaging multiplayer memory puzzle web game engineered with vanilla DOM manipulation, smooth state transitions, and responsive element animations.

JavaScript HTML5/CSS3 Vercel
Visit Application →
Movie Review Web Application
Live Preview
Full Stack Web App

CineReview - Movie Review & Ratings

A full-featured movie review portal integrating RESTful APIs for real-time movie metadata, Firebase authentication, user comments, and dynamic ratings.

React Firebase Bootstrap
Visit Application →
Fiscal Autonomy Platform
Live Preview
Corporate / Financial Service

Fiscal Autonomy Services Portal

Complete web solution featuring a dynamic admin panel, secure payment gateway, animated UI components, SEO optimization, and MySQL database architecture.

PHP MySQL Payment Gateway
Visit Application →
Music Visualizer Web Application
Live Preview
Audio & Canvas Web App

Music Visualizer Studio

Interactive web application featuring real-time HTML5 canvas audio visualization, video export, custom color theme controls, and frequency spectrum rendering.

JavaScript HTML5 Canvas Web Audio API Video Export Firebase
Visit Application →
Let's Connect

Get In Touch

Email Address
arpitsinghrajput34@gmail.com
Location
Jabalpur, India (Available Remote Worldwide)
Work Availability
Full-Time Roles & High-Impact Freelance
Need my full credentials?

Download my resume to inspect my work background and experience.

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Send Me A Message

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