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Case study · Data product

DataLens puts the right question in front of the data.

A fictional dashboard for product teams combining metrics, segments, and operational notes.

  • D3
  • PostgreSQL
  • WCAG
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DataLens analytics dashboard

Prototype goals

< 1s
perceived interaction
AA
accessibility target
12
composable widgets

A hierarchy that explains

Visualizations start with a summary, preserve context, and allow deeper exploration without losing the original question.

DataLens analytics dashboard

Technical choices

Implementation decisions

  • End-to-end tests for filtering flows
  • A performance budget for every widget
  • Annotations linked to metrics

Stack

  • React
  • D3
  • SQL
  • Redis
  • Playwright
  • ARIA

Data should help people decide.

I can help turn a dense dashboard into a legible product.

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