Hussein Zangana

Senior Data Analyst and Engineer.

Operations Senior Data Analyst

CarOnSales - Berlin

07/2022 - Heute

Car On Sales

• Built and optimized data pipelines and automated work-

flows using SQL, Python, dbt, and Tableau, significantly

improving data reliability and processing speed.

• Defined, maintained, and monitored core KPIs, creating

comprehensive analytics dashboards with Tableau, visua-

lizing customer activities, market trends, demand fluc-

tuations, and inventory metrics.

• Performed complex ad-hoc analyses using SQL, Python,

and dbt to extract actionable insights and deliver precise,

data-driven recommendations to stakeholders.

• Led analytical initiatives to create effective marketplace

incentives and innovative product ideas, consistently in-

creasing weekly vehicle sales YoY by over 20%.

• Designed, deployed, and managed large-scale data

warehouse projects for Operations, ensuring data accu-

racy, integrity, and accessibility across teams.

• Version-controlled data analysis projects, dashboards,

dbt models, and ETL scripts using Git and GitHub, en-

hancing collaboration, transparency, and reproducibility

across the Data team.

• Provided critical business analysis related to operational

efficiency and marketplace demand, directly supporting a

successful Series C funding round of $30 million+ at over

$500 million valuation.

Computer Science, Python, SQL, DBT and Reporting Dashboards