You will get AI Developer | AI Integration for Web Apps – OpenAI, ChatGPT, ElevenLabs
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Project details
As a senior full stack developer specializing in React, Next.js, and scalable web application development, I help startups and SaaS teams integrate advanced AI features directly into their products. Whether you need a custom ChatGPT API assistant, OpenAI-powered workflows, or complete AI integration using tools like ElevenLabs, Gemini, or Meta Llama, I deliver clean, production-grade solutions that fit your exact use case.
From building AI-enhanced frontend interfaces with Tailwind CSS and Framer, to secure API integration and backend logic using Node.js, Supabase, and Stripe, I create tools that are fast, scalable, and user-focused. I work across the full stack to ensure your AI chatbot, agent, or smart automation works seamlessly inside your SaaS, MVP, or internal dashboard.
If you're looking for a developer who combines strong technical execution with a deep understanding of AI systems, modern APIs, and real product needs — let's talk. I bring together the best of open ai developer, react developer, and ai developer roles to help you launch faster and smarter.
From building AI-enhanced frontend interfaces with Tailwind CSS and Framer, to secure API integration and backend logic using Node.js, Supabase, and Stripe, I create tools that are fast, scalable, and user-focused. I work across the full stack to ensure your AI chatbot, agent, or smart automation works seamlessly inside your SaaS, MVP, or internal dashboard.
If you're looking for a developer who combines strong technical execution with a deep understanding of AI systems, modern APIs, and real product needs — let's talk. I bring together the best of open ai developer, react developer, and ai developer roles to help you launch faster and smarter.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$599
|
Standard
$899
|
Advanced
$1,599
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 13 days |
Number of Revisions | 3 | 0 | 0 |
Number of Pages | 1 | ||
Design Customization | - | ||
Content Upload | - | ||
Responsive Design | - | ||
Source Code |
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JH
Justine H.
Aug 19, 2025
Technical Analysis
Maxim is a full-stack developer who is highly responsive, friendly, and professional. Working with him was a great experience, and I highly recommend him for any project!
CB
Charbel B.
Aug 1, 2025
Senior Full-Stack Developer (React/Node.js) for Esports Platform Improvements
AM
Adrian M.
Apr 7, 2025
MERN Stack Developer Needed (ongoing)
Maxim is a true professional – he keeps you clearly updated with progress, and is an excellent developer with a wide breadth of knowledge. Would hire again!
WC
William C.
Mar 31, 2025
Storyblok Headless CMS
ik
ilke k.
Feb 14, 2025
Seeking PWA Developer with OpenAI API Experience for MVP Development
Maxim did a great job and was quite fast! He is a very good communicator and super-responsive. This was a startup MVP with a high degree of ambiguity involved yet he was able to navigate the uncertainty with ease. He quickly grasped the core requirements, asked insightful questions, and delivered high-quality work that exceeded expectations. His problem-solving skills and adaptability were impressive, making the entire collaboration smooth and efficient. I highly recommend Maxim!
About Maxim
Senior Full Stack Developer | React | Next.js | MERN | AI integration
100%
Job Success
Dnepropetrovsk, Ukraine - 5:43 pm local time
HOW I CAN HELP YOU
🚀 Build complete SaaS platforms from MVP to production using React, Node.js, and modern full stack technologies your customers will actually use and love.
⚡ Develop high-performance APIs and web applications that handle real traffic, integrate seamlessly with your existing systems, and grow with your business.
🤖 Create AI-powered tools including ChatGPT integrations, AI chatbots, and OpenAI API solutions that automate your workflows and reduce operational costs.
🎯 Ship production-ready MVPs in weeks, not months - with clean architecture, proper testing, and documentation so you can iterate fast and avoid technical debt.
BACKGROUND
Starting as a self-taught developer over 10 years ago, I've helped 90+ clients launch successful web applications, integrate AI solutions, and scale their technical infrastructure.
My approach is simple: I build products, not just code. Every line I write serves a business purpose - whether it's increasing revenue, reducing costs, or improving user experience.
WHAT I BUILD
🌐 Full Stack Web Applications
- React.js / Next.js frontends with TypeScript (React developer, NextJS developer)
- Node.js / Express.js backends and RESTful APIs
- MERN stack development with modern tooling
- Responsive, mobile-first web application development
🤖 AI Integration & Automation
- ChatGPT API and OpenAI developer solutions (AI developer, ChatGPT developer)
- AI chatbot development and deployment
- Custom AI tools for content generation and data processing
- Integration with existing workflows and databases
- LangChain, Vector databases
⚙️ API Development & Integration
- RESTful API design and development (API developer)
- Third-party API integrations (Stripe, payment gateways)
- Database architecture (PostgreSQL, MongoDB)
- Real-time features with WebSockets
🎨 Frontend & UI/UX
- Material UI, Tailwind CSS, modern component libraries (Frontend developer)
- Pixel-perfect implementation from Figma/design files
- Performance optimization and SEO best practices
🔧 No-Code & Low-Code Solutions
- Framer websites with advanced animations
- Bubble.io full-stack web applications
- Lovable.dev AI-powered web app development and rapid prototyping
Send me a message or invite me to your job and let's talk about your project. I'll help you figure out the best approach and get started fast. Let's build something great together.
Best,
Max
Steps for completing your project
After purchasing the project, send requirements so Maxim can start the project.
Delivery time starts when Maxim receives requirements from you.
Maxim works on your project following the steps below.
Revisions may occur after the delivery date.
Share Your Idea
You tell me what you want to build or enhance, and which AI services you’d like to integrate.
Integration Planning
I review your goals, design the logic, and define how the API(s) will be used in your system.