Javier User

• Led the migration of analytical processes from SAS to Google BigQuery, modernizing data architecture and ensuring operational continuity.
• Orchestrated data ingestion pipelines from clinical platforms like REDCap, centralizing research variables for the biomedical team.
• Designed and proposed a new architecture for the medical template centralizer, optimizing document traceability and standard

• Architected a scalable analytics framework using Dataform to monitor the corporate GenAI Chatbot, providing real-time visibility on user adoption and content safety for executive leadership.
• Orchestrated complex data pipelines from PostgreSQL to Google BigQuery, centralizing critical assets (Inventory, Tech Assets, JIRA) to drive strategic IT decision-making.
• Automated the global "Steering I

• Established a comprehensive data documentation framework, creating user manuals and access guides to standardize company-wide data usage.
• Collaborated with cross-functional departments to identify data gaps, designing custom solutions that improved strategic decision-making.
• Optimized information retrieval workflows, significantly reducing search times for business users.

• Analyzed a dataset of 5 million postpaid subscribers using SQL, identifying patterns in payment behavior, billing cycles, and sales channels to optimize collection strategies.
• Increased collection notification coverage from 60% to 99% by implementing data-driven segmentation strategies.
• Developed interactive dashboards to visualize suspension rates and payment methods, providing management w

• Presented monthly executive reports to majority shareholders in English, detailing KPIs, churn budget tracking, and strategic proposals.
• Leveraged Google Cloud Platform (GCP) to analyze data for 7 million customers, creating dashboards to monitor traffic, geolocation, and churn risks.
• Orchestrated retention and acquisition campaigns (mobile plans/devices) based on data findings, coordinating

• Audited sales data to calculate and validate commission payments for a workforce of 1,500+ collaborators nationwide.
• Generated daily and monthly performance reports for sales leaders, tracking KPIs for both mobile and fixed services.
• Analyzed customer data using CRM WhaleCloud to identify inconsistencies and propose improvements to the sales workflow.
• Documented internal processes and vali

• Led data integrity validation initiatives during the migration to a new CRM, ensuring the accurate transfer of the customer base structure.
• Analyzed high-volume network traffic (Data, Voice, SMS) to identify "heavy users" and potential fraud, notifying internal teams to mitigate operational costs and network saturation.
• Performed daily reconciliation between network platforms and billing sys

• Led the digital transformation of internal processes, migrating manual Excel workflows to a centralized Database Engine, increasing data reliability and processing speed.
• Automated monthly financial dashboards and KPI tracking, reporting directly to the Finance Management team.
• Calculated and validated commission payments for external providers, ensuring financial accuracy for the company.
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• Reported directly to the CEO/General Director, presenting critical indicators on real, avoided, and recovered revenue losses.
• Led customer platform migration initiatives, validating data integrity to ensure zero revenue leakage during system transitions.
• Designed and implemented new KPIs to monitor revenue generation milestones, actively managing incidents to stop financial losses.
• Automat

• Designed and automated weekly strategic reports for the Operations Directorate and General Management, enabling high-level data-driven decision-making.
• Developed robust ETL processes (DTS) and managed data architecture on SQL Server 2008, ensuring the integrity and availability of operational data.
• Managed the full lifecycle of technical requirements (estimation, planning, and tracking) for

• Managed and administered massive sales datasets using SQL Server, serving as the primary source for company-wide reporting.
• Automated information delivery workflows, designing self-service reporting systems that allowed business users to access critical data independently.
• Optimized administrative processes by coordinating with external partners, ensuring operational goals were met efficient