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You will get ChatGPT Integration Services for Your Website or Web Application

Oleksandr D.Status: Offline
Oleksandr D. Oleksandr D.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Oleksandr, priced and ready to go.
Oleksandr D.Status: Offline
Oleksandr D. Oleksandr D.
5.0
Top Rated
Preview image

Let a pro handle the details

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

Project details

Would you like to integrate ChatGPT into your website or create a new site or web application using ChatGPT? I can help with that! I'll use NodeJS for the backend and develop a site or web application tailored to your needs with the ChatGPT API. This could be a site for generating poems, providing communication, or giving advice.

For the front-end, I'll use React to ensure optimal site speed and performance.
Programming Languages
JavaScript, ASP.NET, TypeScript
What's included
Service Tiers Starter
$149
Standard
$249
Advanced
$499
Delivery Time 1 day 2 days 3 days
Number of Revisions
111
Number of Pages
1011
Design Customization
Content Upload
-
Responsive Design
Source Code
-
Optional add-ons You can add these on the next page.
Fast Delivery
+$199 - $249
5.0
8 reviews
100% Complete
(8)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
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VY

Vitali Y.
5.00
Apr 7, 2026
Homa games creatives web render

MM

Mariia M.
5.00
Nov 30, 2024
Build Products service API

WS

Wouter S.
5.00
Jan 24, 2024
Set up WLM / Node.js env Oleksander was quick to respond and he's knowledgeable and helpful. During the project he made himself available outside office hours on my request, multiple times. If I need any Node.js help in the future, I'll make sure to hire him again.

JC

Josh C.
5.00
Nov 15, 2023
Nodemailer and Google API integration Alex is very good with React

JC

Josh C.
5.00
Nov 3, 2023
Support in deploying Node/React web app to a VPS Excellent NodeJS/React Full Stack Dev with very good English, would recommend and hire again
Oleksandr D.Status: Offline

About Oleksandr

Oleksandr D.Status: Offline
AI Developer | AI Engineer | AI Agent Developer | Node.js | OpenAI
100% Job Success
5.0  (8 reviews)
Poltava, Ukraine - 7:05 pm local time
🚀 AI Developer and AI Engineer with 3+ years of experience building AI-powered products, backend systems, APIs, automation platforms, and production web applications. I help startups and businesses transform ideas into scalable AI solutions using modern Large Language Models (LLMs), AI Agents, Node.js, and cloud infrastructure.

As an AI Developer, I build intelligent applications that automate business processes, analyze data, generate content, answer customer questions, process documents, and integrate seamlessly with existing software. As an AI Engineer, I focus on designing reliable architectures that scale from MVPs to enterprise-grade platforms.

🤖 AI Developer | AI Engineer | AI Agent Developer

My primary expertise is building AI-powered software with modern LLM technologies.

I work with:

OpenAI (GPT-4o, GPT-5)
Claude
Gemini
DeepSeek
Grok
Ollama
Local LLMs
LangChain
LangGraph
AI SDK
MCP Servers
Vector Databases
RAG (Retrieval-Augmented Generation)
Prompt Engineering
Function Calling
AI Agents
Multi-Agent Systems
AI Workflows
AI Automation

As an AI Developer, I create AI chatbots, AI assistants, AI copilots, AI search engines, AI customer support systems, AI knowledge bases, AI document processing systems, AI content generators, AI analytics platforms, and AI-powered SaaS products.

As an AI Engineer, I design secure, scalable AI infrastructures capable of serving thousands of users with production-ready architecture.

⚙️ Backend Developer | API Developer

Strong backend engineering is the foundation of every AI system.

I build:

REST APIs
GraphQL APIs
AI APIs
Authentication Systems
Payment Integrations
Microservices
Worker Queues
Background Jobs
Webhooks
Real-time Systems
File Processing Pipelines

Technologies:

Node.js
TypeScript
JavaScript
Express.js
NestJS
Prisma ORM
PostgreSQL
MySQL
MongoDB
Redis

I optimize databases, improve API performance, reduce latency, and design backend systems that are maintainable and scalable.

🧠 AI Automation

Businesses spend hundreds of hours on repetitive work.

I automate:

Customer Support
CRM Workflows
Lead Qualification
Email Automation
Content Generation
Data Extraction
PDF Processing
OCR Pipelines
Internal Tools
Report Generation
AI Assistants
Business Operations

I integrate AI with existing platforms so businesses can automate workflows instead of hiring additional staff.

⚛️ Full Stack AI Applications

As an AI Developer, I build complete AI products from frontend to backend.

Frontend stack:

React
Next.js
TypeScript
Tailwind CSS
Zustand
Redux
React Query

Applications include:

AI Dashboards
SaaS Platforms
Admin Panels
AI Chat Interfaces
Internal Business Tools
Customer Portals
Analytics Platforms
🎬 AI Video Automation

I specialize in Nexrender automation and After Effects rendering pipelines.

Experience includes:

Dynamic Video Generation
AI Video Pipelines
Template Automation
Batch Rendering
Personalized Videos
Worker Pools
Queue Systems
Scalable Rendering Infrastructure

My Nexrender systems process thousands of personalized videos automatically.

📱 Mobile AI Applications

Using React Native, I extend AI products to mobile platforms.

I build:

AI Chat Apps
AI Productivity Apps
Business Applications
Internal Mobile Tools
Customer Apps

All connected to scalable Node.js backends.

☁️ DevOps & Cloud

Production-ready deployment includes:

Docker
Docker Compose
Linux
Nginx
CI/CD
GitHub Actions
VPS Deployment
Cloud Infrastructure
Monitoring
Logging
Performance Optimization
Security Best Practices
💻 Tech Stack

AI & LLM
OpenAI • GPT-5 • GPT-4o • Claude • Gemini • DeepSeek • Grok • LangChain • LangGraph • MCP • AI SDK • AI Agents • Multi-Agent Systems • Prompt Engineering • RAG • Vector Database • Pinecone • Qdrant • ChromaDB

Backend
Node.js • TypeScript • JavaScript • Express.js • NestJS • REST API • GraphQL • Prisma ORM

Databases
PostgreSQL • MySQL • MongoDB • Redis

Frontend
React • Next.js • React Native • Tailwind CSS • HTML • CSS

Infrastructure
Docker • Nginx • Linux • Git • GitHub Actions • CI/CD

Automation
Nexrender • After Effects • Workflow Automation • API Integration

Why work with me?

✔ AI Developer focused on production-ready solutions

✔ AI Engineer with strong backend architecture experience

✔ AI Agent Developer building autonomous workflows

✔ Backend Developer specializing in scalable APIs

✔ Full Stack Developer delivering complete AI products

✔ Clean, maintainable, documented code

✔ Fast communication and reliable delivery

Whether you need an AI Developer, AI Engineer, LLM Engineer, AI Agent Developer, OpenAI Developer, Node.js Developer, Backend Developer, API Developer, Automation Engineer, RAG Developer, Prompt Engineer, or a Full Stack AI Developer, I can build scalable AI solutions from concept to production.

Keywords: AI Developer, AI Engineer, AI Agent Developer, AI Automation, OpenAI Developer, GPT Developer, ChatGPT Developer, LLM Engineer, Generative AI, AI Integration, Prompt Engineering, RAG, LangChain

Steps for completing your project

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

Delivery time starts when Oleksandr receives requirements from you.

Oleksandr works on your project following the steps below.

Revisions may occur after the delivery date.

Project Discussion

At this stage, we will discuss our roadmap to solve your problem as quickly and efficiently as possible.

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