Felix Bolivar

Data Integration & ETL Consultant | Python, Talend, Data Quality, Automation & Operations | Helping companies build cleaner, more reliable data pipelines. 30+ data integration projects. 3 continents.

One consistent outcome: cleaner data, leaner systems, and faster decisions.

Systems

Engineer and Senior Consultant specializing in Data Integration and Data Architecture, with 10+ years of experience designing ETL/ELT pipelines, Data Warehousing models, and process automation. Proven track record in SQL performance tuning, Python development, and managing relational and analytical databases including PostgreSQL, MySQL, Microsoft SQL Server, and Snowflake. Skilled in deploying containerized environments using Docker, version control with Git, and Cloud infrastructure (AWS/Azure).

Expert in building Business Intelligence and reporting solutions using Power BI and Metabase, and leveraging LLMs and AI tools (Claude Code, ChatGPT, Gemini) to accelerate code generation, query optimization, and data engineering workflows.

Senior Integration & Data Operations Engineer at RefinePro (2018-10 – Present)

• Owned and supported production ELT/ETL pipelines processing millions of records daily with high availability, automated monitoring, and zero downtime.
• Designed and maintained analytics data models, dimensional schemas, and operational dashboards in Metabase and Power BI to support recurring month-end and executive reporting.
• Architected end-to-end data transformation pipelines using dbt, Python, and SQL, implementing data quality checks, observability, and automated exception handling.
• Containerized data workflows using Docker/Docker Compose and version-controlled all pipeline codebases via GitHub, ensuring reproducible deployments.
• Automated operational orchestration and batch processes using Rundeck and n8n, streamlining data ingestion and pipeline health alerting.
• Prepared data assets and integrated AI-assisted workflows (Claude Code, Cursor) into testing, documentation, and automated data quality validation routines.

Co-Founder & Senior Systems Integration Consultant at GB Integradores (2016-07 – 2025-09)

• Spearheaded 30+ enterprise data integration, migration, and warehousing projects for international clients in retail, manufacturing, and financial services.
• Maintained and evolved existing data platforms, performing complex financial data reconciliations, legacy system cleanups, and audit-ready data transformations.
• Designed and implemented custom business intelligence semantic models and executive reporting suites using JasperReports, Crystal Reports, and Power BI.
• Partnered directly with non-technical stakeholders to translate complex business rules into robust, scalable analytics solutions.

ETL Development Team Lead at Provider Directory Inc. (2015-01 – 2018-10)

• Led an agile engineering team managing production data transformation environments, ensuring platform stability and strict SLA compliance.
• Built automated data ingestion workflows from APIs and unstructured sources, reducing manual data processing overhead by over 60%.
• Triaged technical issues, optimized complex database queries, and implemented continuous pipeline enhancements using structured Agile workflows.

Bachelor of Science in Systems Engineering – IUPFAN