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Alonso Valdés
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Three case studies (public and private, redacted when needed) with decisions, architecture, and outcomes.

Screenshot of the MTA Ridership project

Public

MTA Ridership

A focused app that explains NYC transit recovery with three key views, sober UX, and a clear narrative. First place in the Plotly Holiday Season App Challenge.

Python · Dash · Plotly · p5.jsView case →
Redacted preview of the public procurement tooling

Private (redacted)

Public procurement tooling (redacted)

Private engagement: pipeline + app that turns tenders and awards into decision-ready data. Screens are redacted; no names or amounts.

Python · SQL · ETL · Analytics appView case →
Screenshot of the Pokémon Dashboard

Public

Plotly in production (Pokémon Dashboard)

An interactive dashboard built with Python + Plotly to explore and compare data—practical lessons on performance, UX, and shipping without writing JavaScript.

Python · Plotly · Dash · DeployView case →

© 2026 Alonso Valdés González. All rights reserved.