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One thing building payment infrastructure taught me:
A Stripe integration isn't finished when the customer reaches Checkout.
The interesting backend work starts around the payment.
A reliable payment flow has to think about:
Customer → Checkout → Stripe → Webhook → Backend → Database
That means handling things like webhook verification, payment state, duplicate events, failures, backend validation, and what the application should do after Stripe reports an event.
Working through this in Python and FastAPI changed how I thought about payment integrations.
The goal isn't simply to accept money.
The goal is to build a backend that can reliably understand what happened and respond correctly.
That's a much more interesting engineering problem.
#Python #FastAPI #Stripe #BackendEngineering #APIDevelopment #Webhooks
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I Build Production-Ready AI Applications, Agents & Automation for Businesses
I’m currently open to new AI development projects and B2B collaborations.
I help companies turn business problems into practical, production-ready AI solutions — from the initial idea and architecture to development, cloud deployment, and integration with existing systems.
My work includes:
AI Agents & LLM Applications — GPT, Claude, Gemini, multi-agent workflows
RAG & Knowledge Systems — chat with company documents, internal knowledge bases, semantic/hybrid search
Business Automation — AI-powered workflows, document processing, email automation, CRM/ERP integrations
Custom AI Platforms — complete web applications with AI capabilities
Data Engineering — ETL/data pipelines, SQL, BigQuery, PostgreSQL and data preparation
Cloud Architecture — AWS, GCP and Azure
Backend & Full Stack — Python, FastAPI, React, TypeScript, APIs and integrations
I’ve worked on solutions involving logistics and supply chain, enterprise knowledge systems, document intelligence, operations, healthcare-related platforms, and AI-assisted software analysis.
I can help whether you already have a detailed specification or simply have a business problem and want to determine where AI actually makes sense and how to build it.
Available for freelance projects, B2B collaborations, MVP development and longer-term partnerships.
If you’re building something with AI or have a process you think could be automated, send me a message.
Have an AI project in mind? Let’s discuss what we can build.
Check my website: https://ai-consulting-site-hstz.vercel.app/
Impressive how you've turned complex logistics challenges into production-ready AI agents, and your AI-powered document processing will deliver strong results for any B2B partner. Looking forward to seeing your next integration with ERP systems.