You will get senior full-stack Python developer | FastAPI Django | backend API SaaS
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Project details
As a developer with 12+ years of experience, I offer full-stack Python development specializing in Django and FastAPI:
• Full-stack development on Python Django or FastAPI frameworks
• Back-end architecture & RESTful APIs
• JWT / OAuth2 authentication, Docker, CI/CD, AWS / GCP, Nginx, Gunicorn, Uvicorn
• Queue: Redis, Celery
• Database design (PostgreSQL, MySQL, MongoDB)
• Web scraping and data extraction
• AI integration: OpenAI, ChatGPT, Claude, Gemini, DALL-E
• AI workflows for chatbots, content generation, data analysis
My experience includes:
• Cybersecurity domain evaluation platform (Django, FastAPI, PostgreSQL, Celery)
• Enhanced AI-powered PDF parser for Order Management System (Python, ChatGPT, MySQL)
• RESTful Backend API development
• E-commerce platforms with payment integration
• Responsive front-end development
Services: development from scratch, upgrading existing projects, implementing new features for MVP/SaaS, and AI integrations.
Choose your tier:
• 4 hours test task
• 40 work hours
• 160 work hours
Message me on Upwork to confirm package size and validate requirements.
Keywords: Python, Django, FastAPI, REST API, MVP, SaaS, PostgreSQL, AI Integration
• Full-stack development on Python Django or FastAPI frameworks
• Back-end architecture & RESTful APIs
• JWT / OAuth2 authentication, Docker, CI/CD, AWS / GCP, Nginx, Gunicorn, Uvicorn
• Queue: Redis, Celery
• Database design (PostgreSQL, MySQL, MongoDB)
• Web scraping and data extraction
• AI integration: OpenAI, ChatGPT, Claude, Gemini, DALL-E
• AI workflows for chatbots, content generation, data analysis
My experience includes:
• Cybersecurity domain evaluation platform (Django, FastAPI, PostgreSQL, Celery)
• Enhanced AI-powered PDF parser for Order Management System (Python, ChatGPT, MySQL)
• RESTful Backend API development
• E-commerce platforms with payment integration
• Responsive front-end development
Services: development from scratch, upgrading existing projects, implementing new features for MVP/SaaS, and AI integrations.
Choose your tier:
• 4 hours test task
• 40 work hours
• 160 work hours
Message me on Upwork to confirm package size and validate requirements.
Keywords: Python, Django, FastAPI, REST API, MVP, SaaS, PostgreSQL, AI Integration
Programming Languages
HTML & CSS, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$200
|
Standard
$2,000
|
Advanced
$7,500
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 50 days |
Number of Revisions | 0 | 0 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
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About Innokentiy
Full-Stack AI Web Developer | Node.js PHP Python | API ERP CRM
100%
Job Success
Nur-Sultan, Kazakhstan - 9:50 pm local time
💻 Tech stack: PHP Node.js Python Symfony Laravel Django React.js Vue.js Docker AWS
🛠️ AI & tools: Claude OpenAI ChatGPT Dall-e Stable Diffusion
Send a message or invite me now and I will provide you with a free consultation!
More details about me:
I'm a Full-Stack AI & Website Developer with 12+ years experience in Node.js, PHP, Python, API integrations and AI development. I provide AI development services including building websites with Claude AI, Replit, Lovable and other AI tools. I can help you to complete and polish your SaaS MVP or develop a website from scratch. Additionally I can extend your AI web application with a custom code, scripts, API integrations and advanced back-end and front-end. Such approach allows to easily build MVPs for SaaS solutions, ERP systems, CRM, corporate CMS websites, directories, marketplaces and other platforms. You are very welcome to message me and get a quick consultation about AI development, AI integrations, scoping your project and quote. Just send me a short brief and let's talk!
I am also a CTO of Zimalab web development team. We develop high-quality custom web apps, AI solutions, eCommerce platforms, MVPs, SaaS products, ERP/CRM systems, API back-end integrations and business automations.
My skills:
✓ AI & Vibe coding - Claude, Replit, Lovable, openAI, ChatGPT
✓ Bubble, Retool
✓ PHP, Symfony, Laravel, Python, Django, FastAPI - 12+ years
✓ Wordpress Woocommerce
✓ DB – MySql, PostgreSQL, MongoDB
✓ JS - jQuery, jQuery UI, Angular.js
✓ JS Frameworks - Node.js, Meteor.js, React, Next.js, Gatsby.js
✓ Experience with utilities – imagemagick, ffpmeg, sphinx and elasticsearch, mlt framework
✓ Third party services – Google, LinkedIn, Facebook, Amazon AWS S3, EC2, Amazon Cloudfront, OTA booking platforms APIs
✓ Payment systems – PayPal, Stripe, Authorize.net, JVZoo
Key website development services
AI Web Developer | AI Website Developer | AI Integration Developer Claude Developer | Lovable Developer | Replit Developer Custom Web apps | SaaS | MVP development Websites | API integrations | API development ERP | CRM | Automation | Dashboard
Tech stack
AI - Claude | ChatGPT | OpenAI | Replit | Lovable | Bubble | Vibe Coding Back-end - PHP | PHP Laravel framework | PHP Symfony framework | LAMP | Python | FastAPI | Django | Node.js Frontend - Javascript | HTML | CSS | JavaScript | jQuery | Bootstrap Devops - AWS EC2 | AWS S3 | AWS Cloudfront | AWS Lambda | git | Github | Cloudflare | CDN Database - MySQL | MongoDB | PostgreSQL | Supabase
My experience includes back-end development of hotels booking & management platform, music lessons learning platform, video stock website, social network, paid membership websites, online booking systems, 3rd party API integrations, RESTful APIs development and even creation of own MVC+ORM framework. I am highly experienced with building a web system architecture from scratch and enhancement of existing & legacy php code.
AI experience:
Claude AI developer for Customer Management Portal Development. Building CI/CD workflow, UI/UX development, bug fixes Bubble Developer for Report Generation Portal. Configuring API integrations with ChatGPT and Claude AI, UI/UX enhancements, bug fixes
Back-end Developer for AI Image Generation Portal. System Architecture, backend API development, API integrations with Dall-E, Stabble Diffusion, Chat GPT, Replicate. Queue management, high load & performance optimization, image processing, AWS setup
Full-stack Developer for AI Educational Tool for Teachers. Chat GPT API and Stripe integration, dashboard development, PDF generation, UI/UX development
Web apps and Websites:
Back-end of ERP | CRM solution for chain of car bodyshops with a custom dashboard on PHP | Symfony | HTML | CSS | Javascript Back-end
Development of SaaS solution for SMS marketing and API integrations with Shopify API and Twilio API on PHP | Symfony | HTML | CSS | Javascript and development of MVP which launched within 3 months
Custom Software and Backend Development of Hotel Booking solution and API integrations with Cubilis | RezExchange | Smarthotels on PHP | Symfony | HTML | CSS | Javascript
Full-stack and Back-end Web Development of SaaS dashboard for Security Company on PHP | Symfony | Vue.js | HTML | CSS
Back-end and Front-end development of Video Directory Website for Media Company on PHP | Symfony | HTML | CSS | AWS S3 | ElasticSearch
Custom CMS and back-end Development of Course Booking platform for chain of Linguaschools on PHP | Symfony | HTML | CSS | Javascript
Back-end development of VC funds directory on PHP | Laravel | HTML | CSS | Javascript
- I'm good in writing English, available for direct communication
- I follow PSR standards, experienced with TDD, SCRUM
Updated 11 Mar 2026
Steps for completing your project
After purchasing the project, send requirements so Innokentiy can start the project.
Delivery time starts when Innokentiy receives requirements from you.
Innokentiy works on your project following the steps below.
Revisions may occur after the delivery date.
Share the requirements
You provide specifications, wireframes or other requirements. This may include descriptions, screenshots or any other information. The more detailed the requirements, the more accurate the evaluation and planning will be.
Planning
We confirm the development plan and estimates