Marcos Herrera
Marcos Herrera

PPC & Data Specialist

Open to offers · Member since 16 Aug 2026
Location
Managua, Nicaragua
Desired salary
Confidential
Work preference
Remote Only / Full Time, Part Time, Freelance
Experience level
Senior

About

Professional summary

I am a data-driven Paid Media and Web Analytics Specialist with more than 10 years of experience designing, executing, and optimizing high-performance PPC campaigns. My expertise spans Google Ads, Meta Ads, Microsoft Ads, and other paid media platforms across e-commerce and lead-generation businesses.

I specialize in connecting digital marketing strategy with reliable technical measurement. I build robust tracking frameworks using Google Tag Manager, GA4, custom JavaScript, data layers, and offline conversion tracking to improve attribution and decision-making.

I have managed campaigns for industries including healthcare, food and beverages, retail, education, fashion, travel, real estate, and beauty. I focus on improving core performance metrics such as ROAS, CPA, CPC, conversion rate, and lower-funnel engagement.

I am experienced in auditing and repairing e-commerce tracking implementations, reducing discrepancies between analytics platforms and CRM or backend systems. I work closely with development, design, paid search, and cross-functional teams to standardize tracking and accelerate implementation.

My work has supported clients across the United States, Europe, and Latin America. I have scaled promotional e-commerce campaigns to up to 5.0x ROAS through agile bidding strategies, audience expansion, creative testing, and continuous campaign optimization.

I am a native Spanish speaker with upper-intermediate English and elementary German. I am available for remote paid media, analytics, conversion tracking, and web measurement consulting engagements.

Notice period: 2-weeks

Skills

18 capabilities

Tech stack & tools

Working toolkit

Collaboration

Communications

Development

Languages & Frameworks

Experience

Career history

Paid Media & Web Analytics Consultant Freelance

I manage PPC accounts for clients in healthcare, food and beverages, retail, and education. I improve campaign efficiency by lowering average CPC, expanding qualified audiences, and increasing lower-funnel engagement.

I diagnose post-click checkout friction, optimize payment gateway and checkout-flow opportunities, and scale e-commerce promotional campaigns. I have achieved up to 5.0x ROAS for clients in Spain and Mexico through Google Ads and Meta Ads, and I build end-to-end measurement frameworks using GTM, structured data layers, GA4, and offline conversion tracking.

PPC & Data Specialist Amy Myers MD

I developed and managed paid media campaigns on Meta Ads while collaborating with cross-channel paid search teams. My work focused on maximizing ecosystem ROAS and achieving acquisition targets.

I audited and remediated faulty e-commerce tracking implementations across GA4 and Google Tag Manager. This restored data integrity for critical purchase events and marketing attribution.

Analytics Specialist EPA Digital (Agency)

I engineered and deployed end-to-end web measurement and advanced e-commerce tracking architectures for enterprise websites across multiple industries. I ensured data integrity across analytics platforms and marketing channels.

I programmed custom tracking solutions with Google Tag Manager, JavaScript, and jQuery for dynamic remarketing, event tracking, and advanced GA4 and paid-media tagging. I also partnered with development and design teams to standardize data layer schemas and reduce reporting discrepancies.

PPC Specialist EPA Digital (Agency)

I developed, executed, and optimized high-budget PPC strategies for enterprise e-commerce and lead-generation clients. I managed campaigns across Google Ads, Meta Ads, Microsoft Ads, Pinterest Ads, X Ads, and TikTok Ads.

I focused on ROAS, CPA, conversion rate, and digital acquisition performance for sectors including retail, fashion, travel, hotels, food and beverages, beauty, health, real estate, and education. I continuously conducted A/B testing on creative, audiences, and bidding algorithms to improve ad relevance and campaign scale.

Education

Learning history

Universidad Nacional de Ingeniería

Systems Engineering, Systems Engineering

Studied Systems Engineering at Universidad Nacional de Ingeniería in Nicaragua.

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