---
title: "Andrea Paris (@andreaparisdata) | Hashnode"
description: "Building data systems with Python, SQL, and automated pipelines. Read the latest articles by Andrea Paris on Hashnode."
url: "https://hashnode.com/@andreaparisdata"
---

@andreaparisdata

# Andrea Paris

@andreaparisdata · London, UK · Joined April 2026

Building data systems with Python, SQL, and automated pipelines.

### [The Moment I Realised a Database Is Not a Data Warehouse](https://andreaparisdata.hashnode.dev/the-moment-i-realised-a-database-is-not-a-data-warehouse?utm_source=hashnode&utm_medium=feed)

This article is part of a series documenting the development of a real-time crypto analytics platform.

6 min read · [andreaparisdata.hashnode.dev](https://andreaparisdata.hashnode.dev/the-moment-i-realised-a-database-is-not-a-data-warehouse?utm_source=hashnode&utm_medium=feed)

[Jun 11](https://hashnode.com/posts/the-moment-i-realised-a-database-is-not-a-data-warehouse/6a2acbded6f4d5b0ee0207af)

### [Building a Real-Time Crypto Analytics Platform](https://andreaparisdata.hashnode.dev/building-a-real-time-crypto-analytics-platform?utm_source=hashnode&utm_medium=feed)

How I built a real-time cryptocurrency analytics platform using Kafka, Spark, PostgreSQL, Airflow, and modern analytics engineering practices.

6 min read · [andreaparisdata.hashnode.dev](https://andreaparisdata.hashnode.dev/building-a-real-time-crypto-analytics-platform?utm_source=hashnode&utm_medium=feed)

[Jun 10](https://hashnode.com/posts/building-a-real-time-crypto-analytics-platform/6a2977722cd4586d433aee04)

### [Week 1: Building the Dataset (Harder Than Expected)](https://andreaparisdata.hashnode.dev/week-1-building-the-dataset-harder-than-expected?utm_source=hashnode&utm_medium=feed)

We’re still figuring out what this project is going to become. I’m working with Zoe (data scientist), and my role is to build the dataset — daily stock data for a selection of energy companies so we c

6 min read · [andreaparisdata.hashnode.dev](https://andreaparisdata.hashnode.dev/week-1-building-the-dataset-harder-than-expected?utm_source=hashnode&utm_medium=feed)

[Apr 19](https://hashnode.com/posts/week-1-building-the-dataset-harder-than-expected/69e5008513e74eec58247d70)

### [I Thought I Understood Databases — Then I Built One Properly](https://andreaparisdata.hashnode.dev/i-thought-i-understood-databases-then-i-built-one-properly?utm_source=hashnode&utm_medium=feed)

I thought I understood databases. I had written SQL queries, built tables, and used them in projects. But everything I knew was limited to querying data - not managing it. So I decided to build a comp

5 min read · [andreaparisdata.hashnode.dev](https://andreaparisdata.hashnode.dev/i-thought-i-understood-databases-then-i-built-one-properly?utm_source=hashnode&utm_medium=feed)

[Apr 15](https://hashnode.com/posts/i-thought-i-understood-databases-then-i-built-one-properly/69df58f2fd38c9c1748e3236)

### [Building an ETL Pipeline in Bash (and What I Learned)](https://andreaparisdata.hashnode.dev/building-an-etl-pipeline-in-bash-and-what-i-learned?utm_source=hashnode&utm_medium=feed)

Learn how to build a simple ETL pipeline in Bash to collect, transform, and analyse real-world weather data.

5 min read · [andreaparisdata.hashnode.dev](https://andreaparisdata.hashnode.dev/building-an-etl-pipeline-in-bash-and-what-i-learned?utm_source=hashnode&utm_medium=feed)

[Apr 8](https://hashnode.com/posts/building-an-etl-pipeline-in-bash-and-what-i-learned/69d63b30d072e6ec20a5ef1e)