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Leon T. Magara

SQL + Power BI specialist. I turn messy data into executive-ready insights.

Five years of production SQL across SQL Server, PostgreSQL, MySQL, and Snowflake. Remote-first with US, European, and African clients. Currently building full-stack business systems for emerging market SMEs at InterConsult Zimbabwe.

Currently accepting projects
$0K+
documented client savings
0+
Years production SQL
0
Continents, 5 companies, remote-first

Most data problems aren't dashboard problems. They're pipeline problems. The data is messy, the structure doesn't exist, the reports don't connect to decisions, and nobody owns the full picture.

I do.

Every project below represents a stage of the data lifecycle I've built for real clients — from raw cleanup to production-grade systems. Together, they're proof that I don't just build dashboards. I solve the whole problem.

Chaos to clarity. Every stage.

What I Do

Financial Reconciliation & Reporting

Automated reconciliation, multi-currency logic, and audit trails that make month-end close less painful.

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Dashboard Build

Interactive dashboards that put real-time decisions in front of the people who need them.

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SQL Development & Optimization

Query performance tuning, stored procedures, and ETL pipelines — the engine room of good analytics.

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Data Cleanup & Migration

Even the best systems fail with bad data. I make sure the data is right before it goes in.

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I'm a data analyst and software engineer with five years of experience turning messy data into business intelligence. I've built fleet analytics platforms in Pennsylvania, compliance systems for US construction firms, and full-stack ERP solutions in Zimbabwe. Right now I'm building technology for developing economies — because good data infrastructure shouldn't be a luxury.

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