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Andrei Kushniarou

Data engineer — e-commerce & analytics

Lisbon area, Portugal

Articles

Notes on data engineering, e-commerce APIs, automation and AI. Also published on Medium.

Aug 13, 2025 · Automation

Sending event notifications from Python to Slack is simple and surprisingly useful — here's a clean way to do it with incoming webhooks.

Aug 9, 2025 · Automation

A step-by-step guide to installing and running a fully functional, self-hosted n8n automation instance for just $5 a month.

Aug 4, 2025 · Automation

How to install and configure a fully functional local n8n instance on macOS for building automations on your own machine.

Oct 15, 2024 · AI

Building an AI-powered calorie tracker that combines ChatGPT with Python to estimate nutrition from a meal photo or description.

Oct 3, 2024 · E-commerce

Using the Amazon SP-API Order Metrics endpoint to measure sales performance simply and efficiently.

Oct 1, 2024 · E-commerce

Automating retail data collection by turning Michaels SKU reports into clean, analytics-ready data.

Sep 16, 2024 · E-commerce

Negative reviews hit sales fast. Here's how to track new ones on Amazon with Python so you can react in time.

Sep 14, 2024 · E-commerce

Scraping customer reviews from an Amazon product page with Python — the foundation for any review-monitoring workflow.

Sep 5, 2024 · E-commerce

Fetching order items from the Amazon SP-API with Python — a core building block for high-quality sales analytics.

Aug 25, 2024 · E-commerce

Retrieving orders from the Amazon Seller Partner API with Python — the most fundamental task for building sales analytics.