
Thiago Trabach engineered robust data pipelines and analytics models for the prefeitura-rio/queries-rj-iplanrio and related repositories, focusing on data quality, governance, and operational reliability. He developed and refactored SQL and dbt models to consolidate and deduplicate complex datasets such as CNPJ and CPF, integrating sources via Airbyte and optimizing partitioning for BigQuery. Thiago standardized YAML configurations, improved cloud cost management pipelines, and enhanced monitoring with incremental loading and freshness checks. His work leveraged Python, SQL, and cloud-native tools to streamline ingestion, enforce schema consistency, and enable scalable analytics, demonstrating depth in data engineering and maintainable workflow orchestration.

Month 2025-09 focused on standardizing YAML configurations and tuning data generation parameters for prefeitura-rio/queries-rj-iplanrio to improve reliability, maintainability, and data quality. The work centralized configuration formatting, clarified data blocks, and ensured correct data ranges for CPF/CNPJ generation, enabling consistent test data across environments.
Month 2025-09 focused on standardizing YAML configurations and tuning data generation parameters for prefeitura-rio/queries-rj-iplanrio to improve reliability, maintainability, and data quality. The work centralized configuration formatting, clarified data blocks, and ensured correct data ranges for CPF/CNPJ generation, enabling consistent test data across environments.
August 2025 performance summary for prefeitura-rio/queries-rj-iplanrio focused on data quality, maintainability, and cloud-cost visibility. Delivered a major cleanup of the Taxirio data model and centralized repository configuration, enabling cleaner models, clearer partitioning, and easier future enhancements. Implemented GCP cost management pipelines with incremental loading for billing and SMS costs, and started work on BigQuery job costs, complemented by dbt_utils-based tests and configuration hygiene. Improved view readability (aliases in escolar view) and strengthened governance by standardizing source/model naming, removing obsolete fields, and aligning configurations with dbt_project. Achieved measurable improvements in data reliability, loading performance, and business insights across cost and data operations.
August 2025 performance summary for prefeitura-rio/queries-rj-iplanrio focused on data quality, maintainability, and cloud-cost visibility. Delivered a major cleanup of the Taxirio data model and centralized repository configuration, enabling cleaner models, clearer partitioning, and easier future enhancements. Implemented GCP cost management pipelines with incremental loading for billing and SMS costs, and started work on BigQuery job costs, complemented by dbt_utils-based tests and configuration hygiene. Improved view readability (aliases in escolar view) and strengthened governance by standardizing source/model naming, removing obsolete fields, and aligning configurations with dbt_project. Achieved measurable improvements in data reliability, loading performance, and business insights across cost and data operations.
July 2025 monthly summary for prefeitura-rio/queries-rj-iplanrio focused on delivering robust CNPJ data pipelines, improving data quality, and enabling scalable analytics. Key features delivered include CNPJ Data Consolidation and Digit Merge, which merged 14-digit and 8-digit CNPJ records and added capitalSocial and cep fields to prevent truncation and ensure complete address data. CNPJ Parsing, Integrity, and CouchDB Integration enhanced the parsing pipeline, enforced uniqueness and non-null constraints, separated matriz/estabelecimento/sucessao, and integrated CouchDB metadata fields. CNPJ Data Model Naming Standardization and Refactor standardized field names and SQL structures across bcadastro CNPJ models for clarity and maintainability, including refactors to base tables and references. Recce Tool Setup and Documentation Enhancements added Recce configuration and improved documentation to streamline model differences across branches and environments for the dbt workflow. Data Freshness Monitoring Enhancements adjusted warn_after and extended error_after thresholds to better handle delays. Additionally, Codebase Cleanup removed obsolete bcadastro SQL files to reduce confusion and technical debt. These efforts collectively improved data accuracy, governance, and reliability, enabling faster analytics and safer onboarding of new data sources.
July 2025 monthly summary for prefeitura-rio/queries-rj-iplanrio focused on delivering robust CNPJ data pipelines, improving data quality, and enabling scalable analytics. Key features delivered include CNPJ Data Consolidation and Digit Merge, which merged 14-digit and 8-digit CNPJ records and added capitalSocial and cep fields to prevent truncation and ensure complete address data. CNPJ Parsing, Integrity, and CouchDB Integration enhanced the parsing pipeline, enforced uniqueness and non-null constraints, separated matriz/estabelecimento/sucessao, and integrated CouchDB metadata fields. CNPJ Data Model Naming Standardization and Refactor standardized field names and SQL structures across bcadastro CNPJ models for clarity and maintainability, including refactors to base tables and references. Recce Tool Setup and Documentation Enhancements added Recce configuration and improved documentation to streamline model differences across branches and environments for the dbt workflow. Data Freshness Monitoring Enhancements adjusted warn_after and extended error_after thresholds to better handle delays. Additionally, Codebase Cleanup removed obsolete bcadastro SQL files to reduce confusion and technical debt. These efforts collectively improved data accuracy, governance, and reliability, enabling faster analytics and safer onboarding of new data sources.
May 2025 summary for prefeitura-rio/queries-rj-iplanrio: Delivered data reliability and load timing improvements in the Taxirio pipeline and CPF data models. Implemented Taxirio Data Load Timestamp Alignment by updating the loaded_at_field to TIMESTAMP(createdAt) in staging via a small YAML config adjustment. Enhanced data quality for raw_bcadastro CPF data by adding null/empty checks in SQL models and standardized formatting, including a dedicated nome_social adjustment and a targeted refactor to remove unused formatting functions. These changes improve staging accuracy, downstream analytics reliability, and maintainability of data pipelines. Demonstrates strong SQL modeling, data quality controls, YAML-based pipeline configuration, and thoughtful refactoring.
May 2025 summary for prefeitura-rio/queries-rj-iplanrio: Delivered data reliability and load timing improvements in the Taxirio pipeline and CPF data models. Implemented Taxirio Data Load Timestamp Alignment by updating the loaded_at_field to TIMESTAMP(createdAt) in staging via a small YAML config adjustment. Enhanced data quality for raw_bcadastro CPF data by adding null/empty checks in SQL models and standardized formatting, including a dedicated nome_social adjustment and a targeted refactor to remove unused formatting functions. These changes improve staging accuracy, downstream analytics reliability, and maintainability of data pipelines. Demonstrates strong SQL modeling, data quality controls, YAML-based pipeline configuration, and thoughtful refactoring.
April 2025 monthly summary for prefeitura-rio/queries-rj-iplanrio: Delivered targeted data platform enhancements focused on data quality, reliability, and governance. Key features delivered include enhanced cadastro data models (CAEPF, CNO, CNPJ, CPF) with deduplication and Airbyte integration; a new data source integration brutos_taxirio_staging (taxi races data) with a dedicated schema and naming script; data freshness monitoring and lineage for brutos_ergon_staging to improve traceability; standardized dbt model naming conventions and comprehensive documentation for raw_bcadastro_cnpj and raw_bcadastro_cpf models; and extensive repository hygiene improvements including updated ignore rules, skeleton files, CODEOWNERS, and infra-related configs. These changes collectively improved data cleanliness, accessibility for downstream analytics, and governance, while reducing maintenance overhead and enabling faster onboarding of future data sources.
April 2025 monthly summary for prefeitura-rio/queries-rj-iplanrio: Delivered targeted data platform enhancements focused on data quality, reliability, and governance. Key features delivered include enhanced cadastro data models (CAEPF, CNO, CNPJ, CPF) with deduplication and Airbyte integration; a new data source integration brutos_taxirio_staging (taxi races data) with a dedicated schema and naming script; data freshness monitoring and lineage for brutos_ergon_staging to improve traceability; standardized dbt model naming conventions and comprehensive documentation for raw_bcadastro_cnpj and raw_bcadastro_cpf models; and extensive repository hygiene improvements including updated ignore rules, skeleton files, CODEOWNERS, and infra-related configs. These changes collectively improved data cleanliness, accessibility for downstream analytics, and governance, while reducing maintenance overhead and enabling faster onboarding of future data sources.
Monthly summary for 2025-03 - prefeitura-rio/queries-rj-iplanrio What was delivered this month: - BCadastro Data Model Enhancement and Schema Standardization: Reorganized dbt models into a raw category, added new internal-process schemas models, and updated .gitignore to exclude temp files. This refactor lays the groundwork for consistent bcadastro data modeling and future enhancements. Commits: 8b574562c8280639155cb74a009308f22410d2a6; 5d2a23767ae76189ce35b1ec95da736561ce1743; caa613f9c4dae9647fa9533a2765688675a2fb2b. - BigQuery Monitoring Enhancements and bcadastro Scheduling Update: Enhanced BigQuery monitoring configuration (region, input projects, logging/export switches) and updated bcadastro scheduling from daily to weekly; updated dbt_bigquery_monitoring schema to reflect new monitoring structure. Commit: 83a2e65305b70b4589b76df6d4c352be995d336a. Key achievements (top 3-5): - BCadastro data modeling groundwork enabled with standardized schemas and improved organization of dbt models. commits identified above. - Improved observability and governance through enhanced BigQuery monitoring configuration and schema updates, aiding faster issue detection and reporting. - Scheduling stabilization for bcadastro (weekly) aligns data refresh cadence with downstream analytics, reducing drift and operational risk. - Minor but impactful code quality improvements: removal of hardcoded schema references and inclusion of macros for schema generation and string manipulation.
Monthly summary for 2025-03 - prefeitura-rio/queries-rj-iplanrio What was delivered this month: - BCadastro Data Model Enhancement and Schema Standardization: Reorganized dbt models into a raw category, added new internal-process schemas models, and updated .gitignore to exclude temp files. This refactor lays the groundwork for consistent bcadastro data modeling and future enhancements. Commits: 8b574562c8280639155cb74a009308f22410d2a6; 5d2a23767ae76189ce35b1ec95da736561ce1743; caa613f9c4dae9647fa9533a2765688675a2fb2b. - BigQuery Monitoring Enhancements and bcadastro Scheduling Update: Enhanced BigQuery monitoring configuration (region, input projects, logging/export switches) and updated bcadastro scheduling from daily to weekly; updated dbt_bigquery_monitoring schema to reflect new monitoring structure. Commit: 83a2e65305b70b4589b76df6d4c352be995d336a. Key achievements (top 3-5): - BCadastro data modeling groundwork enabled with standardized schemas and improved organization of dbt models. commits identified above. - Improved observability and governance through enhanced BigQuery monitoring configuration and schema updates, aiding faster issue detection and reporting. - Scheduling stabilization for bcadastro (weekly) aligns data refresh cadence with downstream analytics, reducing drift and operational risk. - Minor but impactful code quality improvements: removal of hardcoded schema references and inclusion of macros for schema generation and string manipulation.
February 2025 monthly summary for prefeitura-rio/queries-rj-sms: focused on repository hygiene, environment configuration, and data view refinement to improve data quality, developer productivity, and analytics reliability. Delivered concrete code changes with clear commit history to reduce operational risk and ensure correct data connections across environments.
February 2025 monthly summary for prefeitura-rio/queries-rj-sms: focused on repository hygiene, environment configuration, and data view refinement to improve data quality, developer productivity, and analytics reliability. Delivered concrete code changes with clear commit history to reduce operational risk and ensure correct data connections across environments.
January 2025 performance summary for prefeitura-rio pipelines and queries-rj-sms. Delivered expanded data ingestion capabilities, enhanced data modeling, improved observability, and targeted fixes to data extraction and reporting. These efforts increased data coverage, reliability, and actionable insights for program material management while strengthening monitoring and maintainability across pipelines and analytics layers.
January 2025 performance summary for prefeitura-rio pipelines and queries-rj-sms. Delivered expanded data ingestion capabilities, enhanced data modeling, improved observability, and targeted fixes to data extraction and reporting. These efforts increased data coverage, reliability, and actionable insights for program material management while strengthening monitoring and maintainability across pipelines and analytics layers.
December 2024 performance summary: Delivered high-value data tooling across prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms. Focused on reducing operational risk, improving data freshness, and strengthening governance. Key outcomes include deactivating the SIH data dump to prevent unintended extractions, hardening Vitacare data extraction with missing-table resilience and robust error handling, implementing more frequent scheduling for Vitacare data and dbt pipelines, cleaning up infrastructure for stability and cost efficiency, and advancing disease alerts data modeling with incremental, deduplicated, and enriched data.
December 2024 performance summary: Delivered high-value data tooling across prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms. Focused on reducing operational risk, improving data freshness, and strengthening governance. Key outcomes include deactivating the SIH data dump to prevent unintended extractions, hardening Vitacare data extraction with missing-table resilience and robust error handling, implementing more frequent scheduling for Vitacare data and dbt pipelines, cleaning up infrastructure for stability and cost efficiency, and advancing disease alerts data modeling with incremental, deduplicated, and enriched data.
November 2024 performance highlights across prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms. Delivered end-to-end scheduling enhancements, robust data and backup flows, and governance improvements that drive reliability, scalability, and cost transparency. Key outcomes include: improved scheduling capabilities with Google Sheets integration; slug-enabled flow runs and refactored state handling; migration of Vitacare backups to cloud storage with Cloud Tasks upload and metadata; Parquet I/O robustness fixes; removal of legacy flows and pyodbc dependencies; DBT build optimization; enhanced data validation and governance across queries-rj-sms. These changes reduce operational risk, accelerate data ingest and reporting, and enable more predictable cost tracking and compliance.
November 2024 performance highlights across prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms. Delivered end-to-end scheduling enhancements, robust data and backup flows, and governance improvements that drive reliability, scalability, and cost transparency. Key outcomes include: improved scheduling capabilities with Google Sheets integration; slug-enabled flow runs and refactored state handling; migration of Vitacare backups to cloud storage with Cloud Tasks upload and metadata; Parquet I/O robustness fixes; removal of legacy flows and pyodbc dependencies; DBT build optimization; enhanced data validation and governance across queries-rj-sms. These changes reduce operational risk, accelerate data ingest and reporting, and enable more predictable cost tracking and compliance.
Month: 2024-10. Overview: Delivered essential data platform enhancements across prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms to improve reliability, data quality, and governance. Key features delivered: Vitacare API extraction reliability with adjusted retry strategy and a scoped VACINA reprocessing window; BigQuery data pipeline robustness with improved error handling, logging, and safer table cloning/recreation; BigQuery scheduling and data loading expansion with new schedules and optimized start times; Stock Dispensation data quality improvements including extended data window and corrected movement classifications; Vitacare Episode Data Presence Tracking with a new existence flag and supporting schema changes. Major bugs fixed: strengthened fail paths and run-result handling in pipelines, fixes for table creation edge cases (table already exists), corrected devolucao classification for Vitacare movements, and enhanced handling of canceled movements in CMM-related calculations. Overall impact and accomplishments: increased data freshness and trust in reporting, reduced operational risk, and clearer governance across ownership and change management. Technologies/skills demonstrated: BigQuery, SQL data modeling, robust error handling and logging, pipeline scheduling and retry strategies, and governance updates.
Month: 2024-10. Overview: Delivered essential data platform enhancements across prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms to improve reliability, data quality, and governance. Key features delivered: Vitacare API extraction reliability with adjusted retry strategy and a scoped VACINA reprocessing window; BigQuery data pipeline robustness with improved error handling, logging, and safer table cloning/recreation; BigQuery scheduling and data loading expansion with new schedules and optimized start times; Stock Dispensation data quality improvements including extended data window and corrected movement classifications; Vitacare Episode Data Presence Tracking with a new existence flag and supporting schema changes. Major bugs fixed: strengthened fail paths and run-result handling in pipelines, fixes for table creation edge cases (table already exists), corrected devolucao classification for Vitacare movements, and enhanced handling of canceled movements in CMM-related calculations. Overall impact and accomplishments: increased data freshness and trust in reporting, reduced operational risk, and clearer governance across ownership and change management. Technologies/skills demonstrated: BigQuery, SQL data modeling, robust error handling and logging, pipeline scheduling and retry strategies, and governance updates.
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