Available for Freelance & Full-Time Projects

Full Stack & AI Chatbot Developer

Specialized in

I build production-ready AI chatbots, scalable MERN web applications, and fast digital platforms. Engineering clean code, high-converting UI/UX, and intelligent RAG systems for international clients.

15+
Delivered Projects
99%
Client Satisfaction
Full Stack
AI & MERN Stack
Ashar Ullah Khan

Ashar Ullah Khan

Full Stack Software Engineer

Next.jsFastAPI RAGMERN StackGemini AI
ABOUT ME

Engineering Modern Solutions With Precision

# Professional Summary

I am a passionate Full Stack Software Developer specializing in creating modern web platforms and artificial intelligence integrations. My journey combines technical rigor with intuitive UI/UX design.

I specialize in building intelligent AI Chatbots powered by Google Gemini AI, LangChain, and RAG architectures, alongside developing full-stack web applications using React, Next.js , Node.js, Express, and MongoDB.

Whether building multi-vendor e-commerce platforms, real estate software, or administrative management systems, I prioritize performance, accessibility, and high conversion rates for my clients.

Clean Code
Scalable & Modular
Fast Execution
Optimized Build
Client First
Clear Communication
Developer Illustration

Turning Complex Problems Into Elegant Code

Dedicated to continuous learning and implementing cutting-edge frontend & backend tech.

SERVICES & SOLUTIONS

High-Value Engineering For Global Clients

AI Chatbots & RAG Systems

Custom AI assistants powered by Google Gemini AI, LangChain, ChromaDB vector search, and Retrieval-Augmented Generation for business automation.

Context-aware knowledge base
FastAPI backend integration
Instant response accuracy
Custom bot widget deployment

Full-Stack Web Development

High-performance full-stack web applications using Next.js 14, React, Node.js, Express, and MongoDB engineered for scale and speed.

Server-Side Rendering (SSR)
REST & GraphQL APIs
Clean Architecture
SEO & Speed Optimization

E-Commerce & SaaS Platforms

Custom multi-vendor marketplaces, SaaS web portals, and internal management admin dashboards built with modern security standards.

Stripe / Payment integration
Vendor & Admin controls
Role-based authorization
Database schema design

Mobile Apps & API Automation

Cross-platform mobile apps built with React Native and backend workflow automation connecting APIs and third-party services.

iOS & Android support
Real-time state & data
Custom API development
High responsiveness
TECH STACK & SKILLS

Technologies That Power My Code

React.js

Expert

Next.js

Expert

TypeScript

Advanced

JavaScript (ES6+)

Expert

Tailwind CSS

Expert

HTML5 / CSS3

Expert

Redux Toolkit

Advanced

Node.js

Expert

Express.js

Expert

FastAPI

Advanced

MongoDB

Advanced

Firebase

Advanced

Python

Advanced

Gemini AI & RAG

Specialist

C++

Proficient

React Native

Advanced

Git / GitHub

Expert

Bootstrap

Advanced
React.js
Next.js
TypeScript
JavaScript (ES6+)
Tailwind CSS
HTML5 / CSS3
Redux Toolkit
Node.js
Express.js
FastAPI
MongoDB
Firebase
Python
Gemini AI & RAG
C++
React Native
Git / GitHub
Bootstrap
React.js
Next.js
TypeScript
JavaScript (ES6+)
Tailwind CSS
HTML5 / CSS3
Redux Toolkit
Node.js
Express.js
FastAPI
MongoDB
Firebase
Python
Gemini AI & RAG
C++
React Native
Git / GitHub
Bootstrap
PORTFOLIO

Featured Case Studies & Projects

AI Resume Analyzer & RAG Chatbot
Featured

AI Resume Analyzer & RAG Chatbot

An AI-powered Resume Analyzer that allows users to upload their resume and interact with an intelligent chatbot for feedback, skill gap analysis, and career guidance. Built with RAG architecture, ChromaDB vector database, and Google Gemini AI.

Next.jsFastAPIGoogle Gemini AIChromaDBRAG
Multi-Vendor E-Commerce Marketplace
Featured

Multi-Vendor E-Commerce Marketplace

Comprehensive multi-vendor e-commerce platform featuring seller storefronts, product catalogs, customer checkouts, vendor analytics, and administrative management dashboard.

Next.jsReactNode.jsMongoDBTailwind CSS
CleanPro – Service Platform & Admin Suite
Featured

CleanPro – Service Platform & Admin Suite

End-to-end cleaning service booking system with customer landing page and administrative dashboard for managing schedules, service offerings, and booking records.

Next.jsTypeScriptReactTailwind CSS
CleanPro – Admin Control Dashboard

CleanPro – Admin Control Dashboard

Admin portal for managing client service requests, monitoring platform metrics, managing users, and updating service status in real-time.

Next.jsReactAdmin UITailwind CSS
Real Estate Property Platform
Featured

Real Estate Property Platform

Modern property search platform showcasing real estate listings with search filters, dynamic image carousels, responsive grid layouts, and lead contact forms.

Next.jsReactTailwind CSSREST API
Professional Roofing Service Website

Professional Roofing Service Website

Modern business showcase website designed to present commercial and residential roofing services, client testimonials, service quotes, and contact integration.

Next.jsReactTailwind CSS
Shiny Spaces Service Landing Page

Shiny Spaces Service Landing Page

High-converting residential and commercial space cleaning landing page built with Next.js, focused on clean aesthetics and user booking actions.

Next.jsReactTailwind CSS
Full-Stack Blog Platform

Full-Stack Blog Platform

Dynamic blogging web application powered by React and Firebase, supporting post creation, real-time database updates, authentication, and content management.

ReactFirebaseTailwind CSS
NextBiz – Modern Enterprise Website

NextBiz – Modern Enterprise Website

Sleek corporate agency landing page designed to showcase corporate solutions, service tiers, team experience, and client inquiries.

Next.jsReactTailwind CSS
Interactive Quiz Application

Interactive Quiz Application

Engaging real-time quiz application featuring score tracking, dynamic question sets, timed challenges, and completion analysis.

ReactJavaScriptCSS3
Buy/Sell Corner Marketplace

Buy/Sell Corner Marketplace

Peer-to-peer product listing portal where users can list items for sale, browse local product categories, and manage item listings.

ReactFirebaseBootstrap
Secure Password Generator App

Secure Password Generator App

Customizable security tool enabling users to generate randomized cryptographic passwords with adjustable length and symbol preferences.

ReactJavaScriptTailwind CSS
Real-Time Currency Converter

Real-Time Currency Converter

Financial web application providing real-time international currency conversion rates using live external API data.

ReactAPI IntegrationTailwind CSS
PriceOye Electronics UI Clone

PriceOye Electronics UI Clone

Pixel-perfect responsive e-commerce web application UI clone replicating product grids, categories, and shopping banners.

HTML5CSS3JavaScript
Noon E-Commerce Platform UI

Noon E-Commerce Platform UI

Clean, responsive front-end layout inspired by the Noon e-commerce platform with promotional sliders and product cards.

HTML5CSS3JavaScript
Salt & Pepper Restaurant UI

Salt & Pepper Restaurant UI

Modern restaurant web layout featuring interactive food menu items, reservation forms, and brand story presentation.

HTML5CSS3JavaScript
QUALIFICATIONS

Education & Background

Bachelor’s in Software Engineering

Mohammad Ali Jinnah University (MAJU)

Specializing in Software Development, Database Management, Algorithms, and System Architecture.

Present

Diploma in Web & Mobile App Development

Saylani Mass IT Training Program (1 Year)

Intensive hands-on training in MERN Stack, React Native, REST API building, and git workflows.

Intermediate (Computer Science)

Govt. Superior Science College

Foundational studies in computer science logic, mathematics, and physics.

Matriculation

M. W. Academy School

Secondary education with focus on Science and Mathematics.

GET IN TOUCH

Let's Build Something Extraordinary

Have a project idea or need AI integration?

Whether you need a custom AI Chatbot with RAG capability, a full-stack Next.js app, or a mobile solution, I am ready to collaborate and deliver.

Send Me A Message