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Luiz Eduardo

PROFILE

Luiz Eduardo

Over 11 months, contributed to the basedosdados/queries-basedosdados and basedosdados/pipelines repositories by building and maintaining robust data engineering workflows. Developed and extended SQL data models, implemented ETL pipelines, and automated data ingestion for football analytics and public datasets, leveraging Python, SQL, and dbt. Enhanced data quality through schema management, validation, and observability improvements, while orchestrating workflows with Prefect and Kubernetes. Addressed operational stability by fixing bugs, managing dependencies, and deprecating outdated pipelines to optimize cost and governance. Integrated cloud storage solutions and automated artifact management, ensuring reproducibility and traceability across releases. Prioritized maintainability, data integrity, and business-aligned delivery throughout.

Overall Statistics

Feature vs Bugs

48%Features

Repository Contributions

33Total
Bugs
15
Commits
33
Features
14
Lines of code
3,702
Activity Months11

Work History

April 2026

2 Commits • 2 Features

Apr 1, 2026

April 2026: Key feature delivery and infrastructure enhancements in the pipelines repo. Focused on keeping datasets fresh, improving data quality, and enhancing artifact management for reproducibility. Delivered two major features with impactful business value, alongside reliability improvements in the data stack.

March 2026

3 Commits • 2 Features

Mar 1, 2026

March 2026 — Key pipeline stability and governance improvements for basedosdados/pipelines. Delivered fixes for GCS Requester Pays handling, introduced automated metadata consistency checks between BigQuery and production API, and deprecated outdated br_bd_metadados flows. These changes reduce runtime errors, strengthen data integrity, and simplify maintenance while delivering measurable business value.

January 2026

8 Commits • 2 Features

Jan 1, 2026

January 2026 monthly summary for basedosdados/pipelines. The team delivered stability and quality improvements across multiple data flows with a focus on business value, reliability, and compliance with external data sources. Key features were registered and enhanced data flows, while several critical fixes mitigated data retrieval and processing risks. The efforts reduced downstream failures and improved data trust for stakeholders. Key achievements included:

September 2025

5 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary focusing on delivering data enrichment, reliability fixes, and pipeline stabilization for the basadosdados/pipelines project. The work adds time-based dimensions to key datasets, strengthens data quality and dictionary accuracy, and ensures scheduled processing runs consistently, enabling better analytics and decision-making for downstream consumers.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for basedosdados/pipelines. Focused on deprecation and cleanup to reflect the cessation of data from TSE and to optimize cost, data quality, and governance.

May 2025

4 Commits

May 1, 2025

May 2025: Focused on stabilizing pipelines and securing the dependency environment for basedosdados/pipelines. Delivered critical fixes and safeguards to reduce flaky runs, enabling safer releases while fixes are developed.

April 2025

2 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary — Focused on delivering end-to-end football data capabilities to accelerate analytics and business decisions. Key features delivered: - Sofascore football competitions data models for dbt: New data models, schemas, and SQL logic to process and structure Sofascore competition data (Brasileirão Série A and UEFA Champions League) for detailed match analysis. Includes model configurations and SQL scripts. Commit 7d54cbc13c59bf77a0229e3f62d128697265dd1c. - SofaScore Football Data Extraction Pipeline: Introduced a data pipeline for extracting football competition data from SofaScore with flows for UEFA Champions League and Brasileirão Série A; scheduling and configuration for data ingestion and materialization; added Python modules for flows, schedules, constants, and utility functions. Commit 8d4b4a76aa95265f0213ea1e851ed7c4c009b9ae. Major bugs fixed: - No explicit major bugs fixed documented in this period. Overall impact and accomplishments: - Enables detailed, scalable football analytics by providing structured data models and automated data ingestion; reduces time-to-insight for match analysis and reporting; lays foundation for dashboards and downstream analytics across major leagues. Technologies/skills demonstrated: - dbt modeling, SQL development, Python-based data pipelines, data ingestion scheduling, modular configuration, cross-repo collaboration.

March 2025

4 Commits • 2 Features

Mar 1, 2025

March 2025 delivered measurable improvements in data modeling, data quality telemetry, and pipeline governance across the queries-basedosdados and pipelines repositories. The br_inpe_queimadas__microdados data model was simplified by consolidating time-related columns into a single data_hora field and reorganizing the schema for readability, reducing schema complexity and future maintenance costs. Enhanced data quality checks now provide actionable feedback via color-coded failure messages, recommended fill rates, and detailed null counts and total records. In pipelines, the Copa Brasil data pipeline daily schedule was deactivated to stop automated daily runs, reducing unnecessary compute and aligning operations with current data priorities. These deliverables improve data reliability, reduce maintenance overhead, and demonstrate proficiency in SQL data modeling, observability instrumentation, and pipeline governance.

January 2025

2 Commits

Jan 1, 2025

January 2025 (basedosdados/pipelines) focused on stability, documentation quality, and operational hygiene. Key maintenance work delivered fixes and configuration changes that improve reliability and reduce unnecessary data collection. Key outcomes include: - Documentation Logo Image Link Fix: Ensured the correct logo displays on docs pages by correcting image links in CONTRIBUTING.md and README.md. - Brasileirão Série A Data Pipeline Schedule Deactivation: Disabled the daily schedule to stop automated data collection for this competition, aligning data pulls with current priorities. Overall impact: Enhanced documentation accuracy, reduced unnecessary pipeline activity, and lower operational costs. Demonstrated capabilities in precise repository maintenance, impact assessment, and careful change management.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for repository basedosdados/queries-basedosdados. Focused on extending TSE election data models to 2024, updating partitioning, data types, and schema to support up-to-date analytics; added relationship tests to preserve data integrity; delivered code changes with a single commit implementing these updates. This work expands coverage for the 2024 elections and strengthens downstream analytics reliability.

November 2024

1 Commits

Nov 1, 2024

2024-11 monthly summary: Delivered a critical data source correction for Natureza Juridica queries in the basedosdados/queries-basedosdados repo, ensuring queries target the correct data source and preventing retrieval errors. The fix improves data integrity, reliability of analytics results, and reduces downstream support needs.

Activity

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Quality Metrics

Correctness91.8%
Maintainability90.0%
Architecture89.4%
Performance89.2%
AI Usage21.8%

Skills & Technologies

Programming Languages

MarkdownPythonSQLYAML

Technical Skills

API IntegrationAPI integrationBug FixingCloud StorageDBTData EngineeringData ModelingData QualityData ValidationData WarehousingDatabase Schema ManagementDependency ManagementDevOpsDocumentationETL

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

basedosdados/pipelines

Jan 2025 Apr 2026
9 Months active

Languages Used

MarkdownPythonSQLYAML

Technical Skills

Data EngineeringDocumentationWorkflow OrchestrationOrchestrationPrefectAPI Integration

basedosdados/queries-basedosdados

Nov 2024 Apr 2025
4 Months active

Languages Used

SQLYAML

Technical Skills

SQLData WarehousingETLdbtData ModelingData Quality