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Guillermo CuevaGC

Guillermo Cueva

Data & BI Specialist | ETL, Automation & Reporting

€200/day
Lima, PE
3-7 years

Average response time: 1 hour

About Guillermo

Is your data reliable enough to support critical business decisions?

I help companies transform scattered, inconsistent and manual data processes into structured, automated and decision-ready systems.

As a Business Intelligence and Data Specialist, I work with organizations that need clarity, performance and reliability in their reporting.

For small and growing businesses, I help:
  • Clean and structure messy datasets (Excel, databases, multiple sources)
  • Automate repetitive reporting tasks
  • Build clear and interactive dashboards in Power BI
  • Centralize data into a reliable single source of truth

For more mature teams, I support:
  • Data modeling for accurate and scalable reporting
  • SQL query optimization and performance improvements
  • ETL process design and automation
  • Data quality validation and reporting reliability

My focus is simple:
Deliver structured, automated and trustworthy data solutions that drive better business decisions.

Whether you need to fix reporting inefficiencies or improve your data foundation, I provide practical and business-oriented solutions adapted to your level of data maturity.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Qualifacts
    Business Intelligente Engineer II
    HEALTH AND WELLNESS
    December 2025 - Today (6 months)
    Tennessee, USA
    • Participated in a Real World Data project, automating the extraction, transformation, and centralization of data into a Snowflake Data Warehouse for client consumption.
    • Developed and maintained data models in DBT, ensuring data quality, scalability, and availability of analytical information.
    Business Intelligence (BI) Strategy Data Pipelines and Warehousing Data integration (ETL, ELT and data warehousing) SQL Snowflake
  • Pacifico Seguros
    Data & AI Analyst Sr.
    HEALTH AND WELLNESS
    June 2024 - November 2025 (1 year and 5 months)
    Lima, Peru
    • Designed and implemented end-to-end data pipelines and dashboards in Databricks, Python, and SQL, enabling advanced analytics used by 8+ business areas and C-Level executives (CEO, CFO, Board) for strategic decisions.
    • Automated the generation and calculation of corporate indicators, reducing consolidation times from 5 days to 4 hours and improving organizational efficiency.
    • Implemented automated alerts and continuous monitoring with Python and Power Automate, streamlining periodic reviews and reducing risks in critical business processes.
    • Established data governance guidelines (quality checks, SharePoint access controls, and coding standards for Python/Jupyter notebooks), ensuring traceability, standardization, and script reusability across teams.
    • Led the adoption of Generative AI, developing a corporate chatbot in Copilot Studio and document automation use cases that replaced manual tasks, enabling 100+ users to self-serve queries and reducing audit report generation from 16 hours to less than 3 minutes.
    Python SQL Microsoft Power BI Database Management (e.g., SQL, NoSQL) Data integration (ETL, ELT and data warehousing)
  • Pacifico Seguros
    Data & AI Analyst Jr.
    HEALTH AND WELLNESS
    August 2023 - May 2024 (9 months)
    Lima, Peru
    • Automated continuous audit tests using SQL/PL-SQL, Python, Power Query, and Power BI, optimizing data extraction, transformation, and visualization.
    • Designed and implemented RPAs, dashboards, and Power Platform solutions (Power Automate, Power Apps, Copilot Studio), reducing the audit team's operational workload.
    • Managed analytical tools within the department and supported the integration of new internal analytics solutions.
    Python Microsoft Power BI ETL RPA Power Apps

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Education

  • Bachelor’s Degree in Information Systems Engineering
    Universidad Peruana de Ciencias Aplicadas
    2023
  • Specialized Program: Multicloud Data Engineer
    Data Science Research Perú
    2025

Certifications

Skill set

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