You will get FastAPI backend API integration for your app
Project details
I build FastAPI backend API integrations that connect your app, CRM, database, forms, Google Sheets, payment tools, or other business systems into one reliable workflow.
Depending on the selected package, this can include REST API endpoints, webhook handling, request and response validation, database/API connections, structured JSON outputs, OpenAI/API integration, testing, and clear setup instructions.
My focus is clean, maintainable backend code that helps your software or business process work faster, more reliably, and with less manual work.
Depending on the selected package, this can include REST API endpoints, webhook handling, request and response validation, database/API connections, structured JSON outputs, OpenAI/API integration, testing, and clear setup instructions.
My focus is clean, maintainable backend code that helps your software or business process work faster, more reliably, and with less manual work.
Programming Languages
PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$150
|
Standard
$450
|
Advanced
$900
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 10 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 0 | 0 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Frequently asked questions
About Igor
AI Automation Engineer | Web & Mobile Developer | API Integrations
Cochrane, Canada - 1:25 am local time
My work focuses on:
• AI automation with OpenAI API and structured outputs
• API integrations between apps, CRMs, Google Sheets, email, and business tools
• Web dashboards using React, Next.js, JavaScript, TypeScript, and backend APIs
• Mobile app development with Flutter, Firebase, Firestore, authentication, and maps
• Backend development with Python, FastAPI, REST APIs, JSON, validation, and business logic
• OCR and document automation for receipts, invoices, PDFs, and structured data extraction
• Google Sheets automation, reporting dashboards, CRM follow-up workflows, and email automation
I build clean, practical, business-focused solutions — not just demo screens. My portfolio includes a Flutter/Firebase grocery savings app with receipt OCR and Google Maps, full-stack AI SaaS tools, FastAPI automation APIs, and dashboard projects.
Tech stack:
Python, FastAPI, JavaScript, TypeScript, React, Next.js, Flutter, Firebase, Firestore, REST APIs, OpenAI API, Google Sheets, OCR, Git, GitHub.
I can help you:
• automate repetitive business workflows
• connect APIs and third-party tools
• build AI-powered assistants or backend automations
• create dashboards and reporting tools
• develop Flutter/Firebase mobile app features
• extract data from receipts, invoices, PDFs, and forms
If you need a reliable developer for AI automation, API integration, web/mobile development, or business workflow automation, I can help turn your idea into a working solution.
Steps for completing your project
After purchasing the project, send requirements so Igor can start the project.
Delivery time starts when Igor receives requirements from you.
Igor works on your project following the steps below.
Revisions may occur after the delivery date.
Review requirements
I review your app, API docs, sample data, auth method, and expected integration workflow before development.
Build FastAPI backend
I create FastAPI endpoints, request/response models, validation, business logic, and API integration code.