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Data Quality Work That Actually Sticks: choosing the minimum useful set of quality signals

I worked on smoothing the handoff between data engineering and AI teams—standardizing feature contracts, embedding validation, and adding lightweight integration tests.

The friction I kept seeing was simple: most delays come from hidden dependencies, not from missing features.

Instead of adding more moving parts, I tested a review pass focused on maintainability over novelty.

March for me has been about tightening execution after an idea-heavy February.

What I changed today

  • I reduced unnecessary variability by standardizing one recurring pattern.
  • I removed one optional branch that only added maintenance burden.
  • I cut one source of rework by tightening upstream validation.

What I want to keep doing

The work felt less heroic and more repeatable, which is exactly the direction I want. The repeated lesson for me is that explicit design intent creates durable speed.

Tomorrow’s focus

Tomorrow I will review this with the team so the decision is shared, not personal.

References

Michael John Peña

Michael John Peña

Senior Data Engineer based in Sydney. Writing about data, cloud, and technology.