Freelance Data Engineers in Madrid

Freelance Data Engineers in MadridFreelance Data Engineers in Madrid

Projects People

HAMZA EL QADIRI

Master's student in Data Engineering & AI,

New to Contra

Master's student in Data Engineering & AI,

Cover image for Azure Data Pipeline for E-commerce

Azure Data Pipeline for E-commerce Analytics : E-commerce teams drown in raw sales CSVs and scattered APIs—while revenue leaks hide in untracked product returns and regional stock-outs. I built a cloud-native, end-to-end analytics pipeline that turns chaotic transactional data into sub-minute Power BI insights, letting merchandisers act on trends before they become costly mistakes.

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Cover image for Spotify Loader Benchmark
The Spotify Loader Benchmark is

Spotify Loader Benchmark The Spotify Loader Benchmark is a comprehensive framework for evaluating different data loading strategies on the Spotify dataset, providing insights into the performance of various loading mechanisms. By comparing sequential, vectorized, multithreaded, raw SQL, Celery-based, and Flink-based loaders, this project helps developers optimize their data loading processes. With its robust architecture and flexible design, the Spotify Loader Benchmark is an essential tool for anyone working with large datasets.

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31

Cover image for Cyber Threat Intelligence Platform, An

Cyber Threat Intelligence Platform, An end-to-end, high-performance, containerized cyber intrusion detection and telemetry processing platform.

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31

Cover image for Sales & Customer Dashboard: Unlocking

Sales & Customer Dashboard: Unlocking Insights with Tableau Analyzing sales performance and customer behavior is crucial for businesses to make informed decisions. The Sales & Customer Dashboard is designed to provide stakeholders with a comprehensive overview of sales metrics, trends, and customer insights. By leveraging Tableau's data visualization capabilities, this dashboard empowers sales managers, executives, and marketing teams to identify areas of improvement, optimize strategies, and drive growth.

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Data Engineer(3)

Software Engineer: Building Awesome Webs Apps & Products

Software Engineer: Building Awesome Webs Apps & Products

Cover image for Lead Engineer, eth-roulette.com

Lead Engineer, eth-roulette.com

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Cover image for CTO, OpenBroker.com

CTO, OpenBroker.com

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Cover image for CTO, Subletny.com

CTO, Subletny.com

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Cover image for Product Manager, Full-stack Engineer, CleanHero

Product Manager, Full-stack Engineer, CleanHero

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9

Data Engineer(1)

Spyros Mavroforos

Data Engineer | Azure & Power BI Expert Developer

Data Engineer | Azure & Power BI Expert Developer

Cover image for Power BI Analytics

Power BI Analytics

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Cover image for Adhoc ETL / Power BI / Azure Troubleshooting

Adhoc ETL / Power BI / Azure Troubleshooting

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Cover image for Innovative Data Warehousing Implementation

Innovative Data Warehousing Implementation

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Data Engineer(3)

Sebastiaan Wiechers

Data Engineering & Fullstack Expert 🚀

Data Engineering & Fullstack Expert 🚀

Cover image for Development of a custom ETL solution

Development of a custom ETL solution

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Cover image for Retrieval Augmented Generation (RAG) LLM Chatbot

Retrieval Augmented Generation (RAG) LLM Chatbot

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Cover image for Development of an AI-powered product configurator

Development of an AI-powered product configurator

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8

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Data Engineer(1)

Bernadett Remenyfy-Kiser

Let's unlock data-driven decision making together!

Let's unlock data-driven decision making together!

Cover image for Building a unified datawarehouse

Building a unified datawarehouse

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5

Cover image for Data-driven marketing strategy

Data-driven marketing strategy

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Cover image for Mobile game launch data flow setup (android, iOS)

Mobile game launch data flow setup (android, iOS)

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4

Cover image for Building data-driven culture

Building data-driven culture

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Data Engineer(1)