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Alejandro Castaño DuqueOpen to roles in Berlin · Authorized to work in Germany

I make e-commerce brandsvisible in search and AI answers.

In SEO since 2022 and GEO since 2025: AI-visibility monitoring in Peec AI, AI-crawler access, product data for AI shopping surfaces and structured data, specified for developers and verified live.

Results

Results, with their source.

  1. +24%

    Organic CTR at Sleeplay, a US e-commerce store, with average position from ~17 to ~10 and clicks up 9%. Technical SEO and on-page work.

    Sleeplay · Search Console · Mar to Aug 2026 vs May to Oct 2025

  2. +40%

    Orders from AI assistants (ChatGPT, Perplexity, Gemini and others) at Sleeplay, where I run AI-visibility monitoring in Peec AI.

    Sleeplay · GA4 · Aug to Oct 2026 vs 2025

  3. x3

    Organic clicks on a Shopify client store in six months, with CTR up 84%.

    Loona Marketing · Surtilight · Search Console

Experience

  1. Feb 2024 to present

    Sleeplay · SEO & Content Marketing Specialist

    Technical SEO and GEO for a US e-commerce store: AI visibility, AI-crawler access, product data for AI surfaces.

  2. Jan 2023 to present

    Loona Marketing · Co-Founder & Marketing Lead

    SEO, GEO and measurement for client brands, plus the Claude tooling that runs it.

  3. Apr 2022 to Feb 2024

    Webcreativa · SEO Analyst, then SEO Specialist leading the SEO area

    From junior to leading the agency’s SEO area for 15+ accounts.

Full experience, education and skills →