I will build data dashboards and apis with python and sql

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alonsovaldesg
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alonsovaldesg
Alonso V
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Über diesen Service

I build end to end data products you can use in real work. From raw files or a public source, I clean and normalize the data, design an efficient SQL model, and deliver a clear interactive dashboard. When needed I expose results through a simple FastAPI endpoint so your team or tools can reuse them.


Stack: Python, SQL, Plotly Dash, FastAPI, PostgreSQL or Supabase, Docker. I keep the setup simple, reproducible and well documented.


What you get: a cleaned dataset, analytical SQL views or functions tuned for speed, a Dash dashboard with filters and exports, an optional API endpoint, and a short README plus a brief video walkthrough.


How I work: we define scope by outcomes, agree on small milestones, and start with a thin working example to align early. Communication is direct and concise. I hand over a private repository the client controls.


Fluent in English and Spanish. Based in Madrid and fully remote.


Send me your goal, sample data or a link, and any constraints. I will reply with a simple plan and the first milestone.

Lerne Alonso V kennen

Alonso V
  • AusSpanien
  • Mitglied seitSept. 2025
  • Sprachen

    Spanisch, Englisch, Portugiesisch
I am an economist and data scientist who delivers end to end data products, from raw sources to clean datasets, APIs, and usable dashboards. I work with Python, SQL, FastAPI, Flask, Dash, Docker, and Postgres or Supabase. My focus is reproducible pipelines, fast analytical SQL, and clear visuals that answer concrete questions. Experience in Spanish public procurement and healthcare analytics. Bilingual English and Spanish. Based in Madrid. Please see my portfolio and demos in my profile.