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David MartinDM

David Martin

Senior User Researcher (Quantitative)

€500/day
Alcorcón, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

Graduate statistician with over 20 years of technical experience leading the full cycle of quantitative research and data analysis in market research institutes and technology environments (Cabify). Specialist in the conceptualization, design, and exploitation of advanced studies on brand health, advertising effectiveness, competitive trackings, and product optimization, combining traditional statistical methodologies with the strategic use of Language Models (LLMs) and Artificial Intelligence to enhance insight extraction and process automation.
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • CABIFY
    Senior User Researcher (Quantitative)
    November 2020 - May 2026 (5 years and 6 months)
    Alcorcón, Spain
    • • User Research and Insights: Responsible for leading global quantitative measurements aimed at deepening user needs.
    • • Report Elaboration and Presentation: Transformation of complex data into executive, actionable, and visual reports, presented directly to Product and Marketing teams.
    • • Positioning and Brand Studies: Direction of the annual brand health tracking and international competitive analysis. Analysis of new features and strategic service redesign in the driver segment.
    • • Retention Indicators: Management and exploitation of Churn/abandonment models and recommendation trackings (NPS).
    • • Process Optimization with AI (LLMs): Implementation and design of prompts in language models for automated mass categorization and sentiment analysis of open-ended comments in NPS and churn surveys.
    User Research Microsoft Office Python R studio Microsoft Power BI
  • Punto de Fuga
    Account Manager / Research Technician
    October 2014 - November 2020 (6 years and 1 month)
    • • Ad-Hoc Research: Methodological design, technical execution, and comprehensive management of ad-hoc quantitative studies tailored to strategic business objectives.
    • • Reports and Results Dissemination: Writing technical conclusion reports and presenting key results to agency accounts and clients.
    • • Campaign Measurement and Brand Health: Evaluation and monitoring of communication campaign impact on brand health metrics (awareness, consideration, usage, notoriety).
  • OPTA CONSULTORES
    Consulting Analyst
    October 2013 - October 2014 (1 year)
    • • Technical Project Control: Direct supervision of field processes and incident resolution in mass data capture for public opinion quantitative studies.
    • • Processing and Reporting: Coordination of primary data preparation and support in structuring result tables for final reports.

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Education

  • Degree
    Universidad Complutense de Madrid
    Diplomatura
  • Big Data Specialization
    Especialización Big Data

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