Hi, I'm Juan.
I turn messy operational data into decisions leaders act on.
BI developer and data analyst with nearly 5 years in finance, credit and logistics. I build the pipelines, dashboards and AI tools that collections, sales and service teams run on every day.
- 5 years in BI
- 4 companies
- Snowflake · Power BI · Python
- 10K+ followers on LinkedIn
Data Analyst
BI Developer
Selected work
Projects that show how I solve business problems, from the raw data to the decision it supports.
Python analysis · interactive D3 map
96,470 real orders, one answer a manager can act on: open the next hub in Recife.
- Interactive map of all 27 states
- Plain-English reading per state
- 3 findings, 3 ranked recommendations
- Real data, fully sourced
Automation · Make, Gemini, Google Workspace
Built for companies whose margins move every time the dollar does.
- Weekly USD/COP brief, 100% automated
- 30+ news articles read by AI each week
- Trends over 1 month, 3 months and 1 year
- PDF report emailed to stakeholders
AI pipeline · Power BI dashboard
A supervisor can listen to a handful of calls a week. This listens to all of them.
- Every call reviewed, not a sample
- 11-point AI scoring rubric
- Customer emotion scored 1–10, no survey
- Live Power BI dashboard
Machine learning · Streamlit app
Knowing who will cancel is half the job. The other half is knowing how to keep them.
- ~80% accuracy predicting churn
- 3 models trained and compared
- AI-written retention offer per customer
- Live app with one-click CSV export
Tableau dashboard · AI chat app
Leaders shouldn’t have to wait for an analyst to answer a simple question.
- 285M+ events cleaned in Python
- Executive Tableau dashboard
- Ask in plain English, get a chart
- AI never touches the raw database
Results from the job
Measured outcomes from my roles in finance, credit and logistics.
9 → 2min
Dashboard refresh time after rebuilding the Snowflake models
Importa Group
−18%
Monthly Snowflake cost after the same rebuild
Importa Group
~50%
Fewer questions reaching a human, thanks to an AI support assistant
Globant
5min
Refresh cycle of the collections dashboard used to track payments and targets
Finanzauto
Two ways to work together
Hiring for a data role
See if I fit your team
My resume covers the full story: the companies, the stack and the results behind each role.
Freelance project
Get a dashboard or automation built
Tell me which report eats your team’s week or which decision lacks data. I’ll reply with how I’d approach it.