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Daniel Lira

PROFILE

Daniel Lira

Daniel Lira developed and maintained robust data pipelines and analytics infrastructure for the prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms repositories, focusing on health-domain data integration and reliability. He expanded data models, standardized data types, and introduced macro-based data cleaning to improve data quality and consistency. Leveraging Python, SQL, and dbt, Daniel refactored orchestration logic for memory efficiency, centralized configuration management, and enhanced observability through consolidated error reporting and dynamic alerting. His work addressed timezone handling, deterministic UUID generation, and deployment automation using Kubernetes and Vertex AI, resulting in scalable, maintainable pipelines that support reliable analytics and streamlined health program evaluation.

Overall Statistics

Feature vs Bugs

69%Features

Repository Contributions

92Total
Bugs
17
Commits
92
Features
38
Lines of code
7,117
Activity Months3

Work History

June 2025

71 Commits • 32 Features

Jun 1, 2025

June 2025 performance summary: Delivered broad health-domain data-model expansion (20+ models) across the city’s health data stack, standardizing data practices to enable reliable analytics and faster time-to-insight for program evaluation. Introduced macro-based data cleaning and new atendimento model to improve data quality and null handling. Standardized vitacare data types and naming (lowercase tables, datetime casting), and enhanced observability with consolidated error reporting for Vitacare backup and adjusted ETL alerts. Refactored pipelines for memory efficiency with a table-based orchestration approach, centralizing task logic and enabling scalable data loading; added dynamic CNES retrieval for Vitacare historic via BigQuery. These changes deliver stronger data governance, reduced operational noise, and more robust, scalable analytics for health programs.

May 2025

10 Commits • 2 Features

May 1, 2025

May 2025 monthly summary focused on reliability, performance, and pipeline hygiene for prefeitura-rio/pipelines_rj_sms. Delivered feature work around deployment configurations for multiple flows, improved local execution capabilities, and addressed correctness in date-time handling and data-mipeline maintenance. Result: more stable, faster, and easier to operate data pipelines with clearer configuration standards and reduced maintenance overhead.

April 2025

11 Commits • 4 Features

Apr 1, 2025

April 2025 monthly summary for Brazilian city pipelines and analytics: Delivered foundational configurability, robust scheduling, data consistency, and improved observability across two repositories: prefeitura-rio/pipelines_rj_sms and prefeitura-rio/queries-rj-sms. Key features delivered include centralized configuration constants and API integration to simplify environment-specific setups, standardized timezone handling with defaults (America/Sao_Paulo) and ISO-formatted outputs for Flow scheduling, and deterministic UUID generation for data transformations to improve data traceability across solicitations, exams, and results. In addition, the data freshness warning window for prontuario_vitai sources was extended from 4 hours to 8 hours to reduce false alerts while preserving the 24-hour error threshold. On the bug-fix front, Infisical integration issues were resolved (secret path corrections, typo fix for INFISICAL_PASSWORD, and adjustment of dataset_id parameter requirements) to reduce configuration errors and secrets-management friction.

Activity

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Quality Metrics

Correctness87.4%
Maintainability88.0%
Architecture85.4%
Performance82.2%
AI Usage21.6%

Skills & Technologies

Programming Languages

PythonSQLYAML

Technical Skills

API IntegrationBackend DevelopmentBigQueryCloud ComputingCloud Data WarehousingCloud InfrastructureCloud StorageCode RefactoringConfiguration ManagementData CleaningData EngineeringData ModelingData PipelinesDatabaseDatabase Management

Repositories Contributed To

2 repos

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

prefeitura-rio/pipelines_rj_sms

Apr 2025 Jun 2025
3 Months active

Languages Used

PythonSQLYAML

Technical Skills

API IntegrationBackend DevelopmentConfiguration ManagementData EngineeringDevOpsETL

prefeitura-rio/queries-rj-sms

Apr 2025 Jun 2025
2 Months active

Languages Used

YAMLSQL

Technical Skills

Configuration ManagementData EngineeringBigQueryData ModelingDatabaseDatabase Management

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