I turn enterprise data into decisions that scale across the globe
I'm Dione Fraga, a senior data engineer with 15+ years building data lakehouses, ETL pipelines and BI platforms for enterprises across Brazil, France, Germany, Spain, India and China.
Databricks Certified Professional · Microsoft Fabric Engineer
Certifications that back the expertise
Active Databricks and Microsoft certifications — including the most advanced Databricks credential available.
From raw source to executive dashboard
End-to-end coverage of the data platform — architecture, engineering and delivery.
Data Lakehouse Architecture
Medallion architecture (Bronze/Silver/Gold) on Delta Lake and Databricks, governed with Unity Catalog. A single, reliable, scalable source of truth.
ETL & Integration Pipelines
Automated, idempotent, monitored pipelines with Azure Data Factory, SSIS, PySpark and Python. From API and legacy database ingestion to the consumption layer.
Executive BI & Analytics
Power BI dashboards executives actually use — operational KPIs, semantic models and auditable metrics ready for decisions.
Cloud & Modernization
Migrating legacy data warehouses and processes to Azure and Databricks. Lower cost, better scale and new use cases unlocked.
Governance & Data Quality
Catalog, lineage, access control and quality validation. GDPR/LGPD compliance and data the business can trust.
Advisory & Enablement
Architecture assessment, tooling decisions and team training for self-service analytics — from technology selection to go-live.
Technologies I work with every day
Production-grade tools used on large-scale, multi-country projects.
Cloud & Lakes
Languages
ETL & Integration
BI & Reporting
Databases
Platforms in production, not proofs of concept
European parking operator
BI platform integrating real-time operational data from 700+ parking facilities across France, in full GDPR compliance. Recognised as an internal benchmark and selected for international rollout.
Global industrial multinational
Analytics solution on Azure Databricks for spare parts, materials and orders, deployed in Germany and Spain and extended to Brazil, Portugal, India and China. Operational KPIs consolidated for global management.
Health Department — RS
Public BI portal (bi.saude.rs.gov.br) with operational and strategic reports for 11 million citizens and 497 municipalities. Awarded at a national epidemiology exhibition.
Products we've built
Beyond consulting, we build our own data and productivity products.
Klockr
Time tracking & invoicing — local-first
Track your hours and issue invoices for free, with your data stored right in your browser. A Brains Up product.
- Time tracking
- Free invoicing
- Local-first & private
- Trilingual
Technical articles & guides
Hands-on content on data modeling, ETL, Azure and Databricks — in Portuguese, English and French.
SSIS 2025 with no password in the package: Entra ID, TLS 1.3 and Fabric with Microsoft SqlClient
How to use the new Microsoft SqlClient Data Provider in the SSIS 2025 ADO.NET connection manager to take passwords out of packages, enable TLS 1.3 and connect to Fabric Warehouse with Entra ID.
Read articleAuto Partitioning in the Fabric Data Factory Copy job: move giant tables in minutes, with no partition setup
The Fabric Data Factory Copy job now partitions large tables automatically — it picks the column, computes the boundaries and runs parallel reads from a single toggle. What changes, how to enable it and where it works.
Read articleSSIS + PostgreSQL via ODBC: the fetch options that avoid Out of memory — and the -- comment trap
How UseDeclareFetch/Fetch (a server-side cursor) avoid Out of memory when extracting PostgreSQL in SSIS via ODBC, how to reveal the generic error with CommLog, the -- comment bug that swallows the FETCH, and the Python-cursor fallback.
Read articleE-books that get straight to the point
Complete, practical guides to accelerate your data engineering career.
Practical Data Modeling
From concept to a production-ready dimensional model
View detailsModern ETL with Azure Data Factory
Automated, idempotent, monitored pipelines
View detailsDatabricks Lakehouse: Zero to Professional
Delta Lake, medallion architecture and Unity Catalog in practice
View detailsShall we build your data platform?
Available for remote consulting projects in data engineering and analytics.
Get in touch