Does Adnan Hussain build RAG chatbots?

Yes. Adnan Hussain builds Retrieval-Augmented Generation (RAG) chatbots using LangChain, vector databases like Pinecone, and LLM providers such as OpenAI, including document Q&A tools like Docusight AI.

What is Adnan Hussain's hourly rate?

Rates depend on project scope and complexity. Get in touch through the contact form or Upwork profile for a quote tailored to your project.

Is Adnan Hussain available for new projects?

Yes, Adnan Hussain is available for new freelance projects. Reach out through the contact form below or via Upwork to discuss your requirements.

Where is Adnan Hussain based?

Adnan Hussain is based in Karachi, Pakistan, and works remotely with clients worldwide.

How many years of experience does Adnan Hussain have?

Adnan Hussain has 8+ years of experience in web and mobile development, including 2+ years focused specifically on AI integration and chatbot systems.

About Experience Work Contact

Hi, my name is

Adnan Hussain.

Transforming Ideas into Powerful Digital Solutions!

I help founders turn concepts into high-performance web and mobile applications while architecting scalable solutions for the future. With a deep focus on performance, scalability, and interactive user experience, I craft modern, AI-powered solutions that drive real impact. Whether it's building sleek frontends, architecting complex backends, or integrating modern technologies, I transform ideas into reality—efficiently and elegantly.

Get In Touch

01.

About Me

Adnan Hussain is an AI Integration & Full-Stack Developer based in Karachi, Pakistan. He has 8+ years of experience building web and mobile applications, including 2+ years focused on AI and chatbot systems using RAG and LangChain. He specializes in React, React Native, Next.js, and Node.js.

Welcome to my digital space! I'm Adnan Hussain, an AI Integration & Full-Stack Developer based in Karachi, Pakistan, with over 8 years of experience delivering high-performance, scalable solutions — including 2+ years focused on AI integration and chatbot systems. Specializing in React, React Native, NodeJS, GraphQL, and NextJS, I create modern, efficient, and user-friendly applications tailored to business needs.

From building seamless user interfaces to developing complex backend architectures, I focus on delivering smooth and reliable digital experiences. My expertise extends to AI-powered applications (RAG, LangChain), microservices architecture, cloud computing (AWS, GCP, Azure), and real-time technologies, ensuring scalability and efficiency in every project.

With a proven track record of successful projects and multiple live mobile apps in the App Store, I thrive on solving complex challenges and bringing innovative ideas to life. Here are some of the technologies I've been working with:

Adnan Hussain - Senior Software Engineer & Technical Lead

100%Upwork Job Success Score

14Completed Jobs

2,344+Hours Worked

$40K+Earned on Upwork

8+Years of Experience

2+Years Focused on AI & Chatbots

Frontend

React

React Native

Next.js

Redux

Tailwind CSS

Material UI

Ant Design

Backend

Node.js

GraphQL

NestJS

PostgreSQL

MongoDB

FastAPI

Django

AI & Automation

Generative AI

GPT Integration

LangChain

RAG Chatbots

AutoGPT

Cloud & DevOps

AWS

GCP

Azure

Docker

Kubernetes

CI/CD

Integrations & Services

Payment Gateways

Push Notifications

Email & SMS APIs

Software Architecture

Microservices

Event-Driven Systems

Real-Time Applications

Let's build something great together!

02.

Where I've Worked

AI Integration & Full-Stack Developer (Freelance)@ Independent / UpworkSept 2023 - Presenthttps://www.upwork.com/freelancers/~017dfd8b8b58f0e292

Delivering AI integration, RAG, and chatbot projects for clients using LangChain, OpenAI, and vector databases.

Building full-stack web and mobile applications with React, React Native, Next.js, and Node.js.

Maintained a 100% Job Success Score across 14 completed jobs and 2,344+ hours on Upwork.

03.

Some Things I've Built

Inception Company ERP — multi-tenant SaaS dashboard built with NestJS, PostgreSQL, and AWS

Recent ProjectInception Company Read case study

The Inception Company, serving Fortune 500 clients, needed a SaaS based ERP to streamline event management. I led backend development with NestJS, PostgreSQL, and AWS, ensuring a scalable multi-tenant system. Also contributed to the Next.js frontend, integrating real-time features for seamless virtual events, vendor management, and client operations.

NestJS

React

NextJS

TailwindCSS

MongoDB

AWS

Redis

NodeJS

OpenTelemetry

Quantum Edge AI — real-time stock forecasting dashboard built with Next.js and Socket.IO

Recent ProjectQuantum Edge AI Read case study

QuantumEdge AI is an AI-powered forecasting platform helping traders make informed investment decisions with accurate stock price projections. I developed its backend using Node.js, Express, PostgreSQL, Redis, and Polygon SDK for real-time stock data, integrating SQS for AI-driven predictions. The frontend, built with Next.js and Socket.IO, enabled seamless live updates.

Express

NodeJS

NextJS

Tailwind CSS

TypeScript

Redis

PostgreSQL

Polygon SDK

SQS

Socket.IO

AudreyLÉ Limited — cross-platform jewelry e-commerce mobile app built with React Native

Recent ProjectAudreyLÉ Limited

AudreyLÉ is a premium jewelry e-commerce platform initially built as a web app. I led the development of its cross-platform mobile application using React Native, enhancing user experience with Dark & Light Mode and Stripe integration for secure transactions. I also architected the NestJS backend and built an admin panel with Next.js, ensuring a seamless and scalable solution.

React Native

NestJS

NextJS

PostgreSQL

Docker

AWS

Docusight AI — RAG document chat interface built with FastAPI, OpenAI, and Pinecone

Recent ProjectDocusight AI Read case study

DocuSight AI is an AI-powered platform that lets students and researchers chat with PDFs, get instant summaries, and create study guides. As a Senior Full Stack Engineer, I built the backend (FastAPI, PostgreSQL, OpenAI, Pinecone), AI chatbot, and frontend (Next.js, Tailwind CSS, TypeScript), delivering a seamless, intelligent study experience.

FastAPI

PostgreSQL

OpenAI

Pinecone

NextJS

Tailwind CSS

TypeScript

Matterbase — 3D visualization e-commerce platform for designers built with Three.js and Next.js

Recent ProjectMatterbase

Matterbase is an e-commerce platform for designers, enabling 3D visualization, project management, and supplier-customer interactions. As a Senior Full Stack Engineer, I built the backend (Node.js, Express, PostgreSQL, AWS S3) and frontend (Next.js, Tailwind, Three.js), integrating 3D Matterboard and optimizing deployment with Docker on AWS EC2.

Node.js

Express

PostgreSQL

AWS S3

Docker

Nginx

Next.js

Tailwind

Three.js

SchollyME — React Native mobile app connecting high school athletes with college coaches

Recent ProjectSchollyME

SchollyME is a social platform connecting high school athletes with college coaches. As a Senior Full Stack Mobile Engineer, I built the mobile app (React Native), implemented real-time backend (Node.js, GraphQL, MongoDB), leveraged AWS Amplify & S3, led a team of 4 developers, and managed deployment to App Store & Play Store.

React Native

Node.js

GraphQL

MongoDB

AWS Amplify

EventZone — React Native mobile app for audience-speaker Q&A and event management

Recent ProjectEventZone

EventZone is a mobile app revolutionizing audience-speaker interactions through paid Q&A and event management. As Lead Mobile Engineer, I built the React Native app, developed the backend (Node.js, Express, MongoDB), integrated real-time features & secure payments, and managed the team & timeline using agile sprints with Jira & Confluence.

Node.js

Express

MongoDB

React Native

Client Testimonials

Here's what my clients have to say about our collaboration

Adnan is the type of freelancer every business wishes for. He's always online when I need him. And he is very skilled! I definitely recommend him!

Mo Nasr

Consultant at IBM

Project: Event Zone & Fuel Handler

Frequently Asked Questions

An AI integration developer connects large language models and AI services into real products — building chat interfaces, retrieval pipelines, and automations that use tools like OpenAI, LangChain, and vector databases to solve business problems.

04.What's Next?

Get In Touch

Although I'm Always open for any new opportunities, my inbox is open. Whether you have a question or just want to say hi, I'll try my best to get back to you!