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Elimar PeñaEP

Elimar Peña

Digital Analyst | GTM Server-Side Specialist

€170/day
Madrid, ES
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Elimar

Do you feel like you're investing in advertising but don't really know what's working?
Do your ad platform sales reports never match reality?
The problem is almost never your product or your marketing team. It's that conversion data isn't reaching the platforms you use to make decisions correctly.
I call this "data pipelines": the invisible path information takes from when someone interacts with an ad until they buy or sign up. When those pipelines leak due to cookie blocking, you lose visibility of your real conversions and end up overspending on advertising.
What I do:
  • I work as a technical ally and external support (Contractor / Freelance with independent billing) for Marketing Agencies, Infoproduct Sellers, and E-commerce businesses in Spain and Latin America.
  • I am responsible for repairing and optimizing those pipelines using Server-Side measurement, a precise and reliable way to collect data that doesn't depend on the client's browser.
  • How we work together:
Advanced Implementation: End-to-end setup of Google Tag Manager (GTM) Server-Side, bridge servers (Stape.io / Google Cloud), and conversion APIs (Meta, Google Ads, TikTok).
Diagnosis and Cleanup: Express audits to detect why events are duplicated or why metrics in GA4 don't add up.
Monthly Support (Data Pulse): Preventive maintenance for agencies with a constant flow of campaigns, ensuring no update breaks your clients' tracking.
If you are a technically saturated agency or a digital business that needs clean data to scale, let's talk. Send me a direct message.
  • Spanish

    Native or bilingual

  • English

    Conversational

  • Turkish

    Conversational

Remote only
Primarily works remotely

Experience

  • Free Freelancing
    Specialist in optimizing your advertising investment | Measurement and data architecture
    E-COMMERCE
    May 2026 - Today (3 months)
    I help WooCommerce online stores recover visibility of their real sales and invest their advertising budget better, through server-side measurement and data architecture.
    I don't install tools: I fix your business's "data pipelines" so that your sales and advertising reports finally match reality.
    Google Analytics 4 (GA4) Google Tag Manager Server-Side Meta Ads Digital Marketing WooCommerce
  • Mentes Abiertas Psicología
    Administrative Assistant
    HEALTH AND WELLNESS
    March 2022 - July 2024 (2 years and 4 months)
    Madrid, Spain
    Schedule management, patient care, and support for the clinical team. This experience gave me in-depth knowledge of the sector: patient decision cycles, the real needs of mental health professionals, and the language that builds trust in this environment.
    SEO On Page Customer Service Project Management Schedule Management SEO Writing
  • Freelance recrute freelance
    SEO Consultant specializing in psychology and mental health
    HEALTH AND WELLNESS
    October 2024 - Today (1 year and 10 months)
    Madrid, Spain
    I help psychologists, therapists, and mental health clinics improve their visibility on Google and attract more patients organically. Services: Local SEO, content optimization, technical audits, and positioning strategy for the healthcare sector.
    Local SEO SEO Audit SEO Writing Digital Marketing Attention to Detail

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Education

  • Lawyer
    Universidad de Los Andes
    2005
    Licenciada en Abogacía

Certifications

Skill set

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