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A European media organization relied on Excel and Google Sheets to manage growing analytical datasets, making reporting unreliable and limiting business scalability. We built a centralized Data Lake with automated ETL pipelines and custom BI dashboards, enabling real-time reporting, reliable data, and faster business decision-making.
Media
Science+
Europe
The client relied on Excel and Google Sheets as the primary data source. As data volumes increased, reporting became inaccurate, slow, and difficult to trust for business decisions.

The existing environment relied on manual spreadsheets without centralized validation, making reliable reporting and automated processing impossible.

The new platform had to replace spreadsheet workflows while keeping information available and maintaining continuous reporting throughout implementation.

We built a centralized Data Lake that replaced spreadsheet-based reporting with a scalable platform for analytical workflows. The system replaced Excel and Google Sheets as the primary data foundation and automatically consolidated information from multiple client sources into a single storage. Business records were preserved while data was standardized for consistent analytical processing.
To ensure the solution's reliability, we developed Airflow ETL pipelines with a transformation layer for data cleaning, format standardization, and missing-value handling. Validated data was loaded into the Data Lake and served through custom BI dashboards with real-time updates. Analysts gained direct access to reporting without manual preparation and spreadsheet-based data checks.
Reduction in data entry errors through an automated data validation system
Faster report generation through automated pipelines replacing spreadsheets
Reduction in time to business insights through centralized analytics
Acceleration of new data source onboarding with scalable ETL architecture
Centralized Data Lake platform
A centralized storage layer designed to consolidate business data and support reliable analytics.

Automated ETL pipeline framework
Scalable Airflow pipelines automate data collection, transformation, and loading across connected sources.

Custom business intelligence dashboards
Custom dashboards provide direct access to operational and analytical business data.

Data quality and validation framework
A transformation layer standardizes business data before analytical processing.


Automated reporting workflows replaced spreadsheet-based reporting

Unreliable business data transformed into trusted analytical datasets

Manual report preparation evolved into near-real-time reporting

Slow data onboarding reduced to automated source integration

AWS
Airflow
Docker
GitHub
GCP

Collected data from spreadsheets and connected reporting sources through repeatable workflows
Detected missing values and inconsistent formats before data reached analytics workflows
Consolidated fragmented media data into a shared and scalable source of truth
Kept validated information available while source systems were migrated incrementally
Coordinated spreadsheet, file, and business-system connections within one data flow
Preserved reporting records in a structured format for consistent longitudinal analysis
"Before this project, we were essentially making the same decision for everyone. Now the platform does a much better job of adapting on its own, and that's something you notice over time rather than overnight. Teams spend less time debating what should be shown to users and more time focusing on growth opportunities. It feels like we've added another layer of intelligence to the business without making the product more complicated"
Chief Technology Officer
Client
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