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You will get Custom AI Chatbot Integration | ChatGPT, Node.js & React Developer

Waqas A.Status: Offline
Waqas A. Waqas A.
4.7
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from Waqas, priced and ready to go.
Waqas A.Status: Offline
Waqas A. Waqas A.
4.7
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from Waqas, priced and ready to go.

Project details

Custom AI chatbot integration with ChatGPT and OpenAI API — React, Node.js, Next.js for web apps that need intelligent assistants in production.

WHAT I BUILD:
→ Custom chatbot integration — ChatGPT API embedded into your React or Node.js app, branded UI
→ OpenAI / GPT-4o integration — streaming responses, prompt engineering, conversation memory
→ AI chatbot development — support bots, sales assistants, knowledge bots
→ React chatbot UI — responsive chat interface in your React/Next.js frontend
→ Node.js chatbot backend — NestJS/Express API, sessions, context, rate limiting
→ RAG chatbots — LangChain + Pinecone for bots that answer from your own documents
→ AI SaaS platforms — multi-tenant, Stripe billing, admin dashboard, end-to-end

TECH STACK:
AI: OpenAI API · GPT-4o · LangChain · RAG · Pinecone
Frontend: React · Next.js · TypeScript · Tailwind
Backend: Node.js · NestJS · Express
Database: PostgreSQL · MongoDB · Redis
Integrations: Stripe · Twilio · Webhooks · OAuth2

EVERY PROJECT INCLUDES:
✔ Full source code
✔ Branded chat UI
✔ Context & memory handling
✔ 7-day post-delivery support

Message before ordering to confirm scope.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$800
Standard
$1,500
Advanced
$3,000
Delivery Time 7 days 14 days 30 days
Number of Revisions
233
Number of Pages
181
Design Customization
-
Content Upload
-
Responsive Design
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$500 - $1,500
4.7
3 reviews
67% Complete
(2)
33% Complete
(1)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

TM

Tobias M.
5.00
Jun 30, 2026
Add Section to E-Commerce Products Highly skilled developer and has great work ethic

LM

Lydia M.
5.00
Feb 23, 2026
Stripe Webhook Error Resolution Waqas came up with the solution for us, highly recommend!

RK

R K.
4.00
Apr 24, 2025
SveltyCMS Marketplace
Waqas A.Status: Offline

About Waqas

Waqas A.Status: Offline
Healthcare SaaS Developer | HL7/FHIR, HIPAA & AI Integration
100% Job Success
4.7  (3 reviews)
Rawalpindi, Pakistan - 8:49 am local time
I build Healthcare SaaS products for health-tech startups — HL7/FHIR integrations, HIPAA-compliant platforms, and AI-assisted workflows. It's a tricky space. The tech has to work, and it has to be compliant. I've learned to do both.

Most developers can build a web app. Far fewer understand what it means to build one that handles protected health information, integrates with legacy EMR systems over HL7 v2, stays compliant under HIPAA, and still ships on a startup timeline. That's the gap I fill.

WHAT I BUILD

→ HL7 v2 and FHIR R4 integration pipelines — connecting EMR systems, patient portals, labs, and third-party health APIs that weren't designed to talk to each other. I've handled ADT, ORM, ORU, and SIU message types, and built the error handling and audit logging that compliance requires.

→ HIPAA-compliant SaaS platforms — multi-tenant architecture with proper access controls, role-based permissions, data encryption at rest and in transit, and audit trails. Not bolted on at the end — built in from the start.

→ AI-assisted clinical and admin workflows — OpenAI and LLM integrations that actually make sense in a healthcare context. AI features that surface the right information, reduce manual data entry, and fit into how clinical teams actually work. Nothing added just because it's trendy.

→ EMR and EHR API integrations — connecting platforms like Epic, Cerner, or custom-built systems to modern SaaS products via FHIR R4 APIs and custom middleware.

→ Full SaaS infrastructure — Stripe billing, subscription management, multi-tenancy, onboarding flows, admin dashboards, real-time reporting, and the backend APIs that tie everything together.

MY STACK

Backend: .NET Core (ASP.NET Core, Entity Framework, C#), Node.js, NestJS
Frontend: React, Next.js, TypeScript
Cloud: Microsoft Azure, AWS
Databases: PostgreSQL, SQL Server, MongoDB
Integrations: OpenAI API, Stripe, Twilio, third-party health APIs
DevOps: Docker, CI/CD pipelines, Azure DevOps

HOW I WORK

I've worked with early-stage startups building from scratch and with established teams adding features to existing platforms. Both are different, and I'm comfortable with both.

For early-stage work, I move fast, ask the right questions upfront, and build things that can scale — not just things that work today. For existing codebases, I take time to understand what's there before touching anything.

I don't take every project. If the scope isn't clear, the timeline isn't realistic, or the fit isn't right technically, I'll say so before we start rather than halfway through. That's saved a lot of clients from painful projects.

WHO I WORK BEST WITH

Health-tech startups building their first SaaS product or a new feature set. Founders who have validated their idea and need a developer who understands both the engineering and the regulatory layer. Teams that want clear communication, honest timelines, and work that doesn't need to be redone.

If your project sounds like what I described above, I'd be happy to jump on a quick call. I charge $5 for a 30-minute intro — just to make sure we're aligned before either of us commits to anything.

Steps for completing your project

After purchasing the project, send requirements so Waqas can start the project.

Delivery time starts when Waqas receives requirements from you.

Waqas works on your project following the steps below.

Revisions may occur after the delivery date.

Requirement Analysis & Planning

I will review your project requirements, define features, choose the best tech stack (React, Node.js, OpenAI API), and create a clear development plan for your SaaS or ChatGPT integration.

UI/UX & System Architecture Setup

I will design the application structure, database schema and user-friendly interface layout to ensure a scalable and modern SaaS architecture.

Review the work, release payment, and leave feedback to Waqas.