SQL Validation and QA Reporting

Improved trust in downstream dashboards and reduced the time spent manually checking quality problems.

SQL and pandas-driven validation workflow for deduplication, missing field audits, outlier checks, and normalized reporting datasets.

Data quality / reporting contributorIndividual contributorSince 2021Public
Information product
Data qualityCase study

Challenge

What had to be solved

Reporting breaks when inconsistent upstream data is treated as good enough.

Solution

How the approach was shaped

Introduced validation rules and preprocessing layers before reporting outputs, reducing downstream ambiguity.

Technical thinking, feature focus, and delivery ownership.

The most valuable projects are never just a list of screens. This section shows how product, system, and process thinking came together.

Architecture notes

  • Data quality work positioned as a product of trust, not only a technical utility

Key features

  • Duplicate detection
  • Missing field audits
  • Outlier flagging and normalized datasets

Responsibilities

  • Built validation and preprocessing routines
  • Prepared clean datasets for dashboards and reporting
  • Documented rule logic and workflow expectations

Stack

SQLpandasValidation RulesReporting Packs

Product visuals and interface highlights.

Selected visuals that reinforce architecture, delivery scope, and product execution.

Project media

Validation workflow

QA flags, validation tables, and reporting-pack generation view.

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Next step

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