Marlon Serrano Cabarcas
Hi, I’m Marlon Serrano Cabarcas, a Digital Marketing and Paid Media Specialist based in Barcelona.
About
Hi, I’m Marlon Serrano Cabarcas, a Digital Marketing and Paid Media Specialist based in Barcelona. I focus on driving online sales, maximizing ROI, and improving conversion rates through data-driven audience segmentation, creative optimization, and rigorous campaign testing.
Over the past years I’ve led performance campaigns across Google Ads and Meta Ads for B2B audiences, delivering measurable CPL reductions, CTR improvements, and conversion growth. I’m comfortable working remotely and independently in performance-driven environments, collaborating with cross-functional teams to align paid media with overall growth strategies.
- 3 years' experience
- Joined August 2025
Skills· 18
Languages
- EnglishAdvanced
- PortugueseAdvanced
- Spanish; CastilianFluent
Industry experience
- Retail
- Financial Services
- Media & Entertainment
- Education
- Manufacturing
- Consumer Goods
- Professional Services
- Software & Internet
- Travel & Hospitality
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Work experience· 13 roles
Executed social media strategies aimed at increasing brand recognition, interaction, and audience growth. Designed and published content aligned with brand identity, ensuring coherence across tone, image, and message. Monitored and analyzed performance metrics to optimize content effectiveness and ensure compliance with marketing KPIs.
Executed social media strategies to increase brand recognition, interaction, and audience growth across main digital platforms. Designed and published content aligned with brand identity, contributing to brand positioning through digital narratives and visual resources. Conducted performance monitoring and analysis of key marketing metrics to optimize content effectiveness and ensure KPI compliance.
Led performance marketing initiatives across Google Ads and Meta Ads, driving a 15% increase in conversion rates on remarketing by segmenting high-intent audiences and aligning ad creative with each purchase funnel stage. Increased qualified leads by 12% in one quarter through optimized audience segmentation, creative rotation, and targeting strategies. Reduced CPL by 10% via progressive optimization of remarketing audiences and custom segments, and boosted Meta Ads CTR by 8% through A/B testing of image vs. video creatives. Implemented Meta Pixel and custom conversion events to enhance tracking accuracy, enabling data-driven decisions. Achieved an average B2B CTR of 1.5% with performance-oriented creatives, improved Google Ads Search CTR from 5% to 5.2% through keyword management and negative keyword optimization, and reduced CPC by 7% through bid and placement optimization. Delivered regular dashboards and actionable insights to inform strategic decisions.
Education· 15
Certifications and awards· 11
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