Available for Full-Time & Freelance

Amazon & eCommerce Marketing Specialist

Results-driven specialist with 5+ years managing full-scale Amazon operations, Shopify storefronts, and multi-channel marketing strategies that drive visibility, conversions, and long-term growth.

I specialize in  |
5+
Years Experience
340+
Projects Delivered
27+
Happy Clients
98%
Satisfaction Rate
David Codillero
Avg. ACOS Reduction
30%+

I Turn eCommerce Brands Into Profit Machines

I'm a results-driven Amazon & eCommerce Marketing Specialist with 5+ years of hands-on experience scaling US-based private label brands. I don't just manage accounts — I build the systems, strategies, and creative assets that compound into sustainable, profitable growth.

My expertise spans the full funnel: from Amazon account health and advertising performance to Shopify CRO, email retention, and paid social. I operate with the accountability of an in-house hire and the versatility of an agency.

Primary Platform
Amazon Seller Central
DTC Platform
Shopify
Education
BS Accounting Technology, USC
Location
Cebu, Philippines — Remote
Let's Talk See Services

Full-Stack eCommerce Expertise

From Amazon operations and advertising to Shopify, email, and paid social — I cover every growth lever in one hire.

Amazon Account Management
End-to-end Seller Central operations — everything needed to run a healthy, growing Amazon business.
End-to-end Seller Central operations — account setup, health monitoring & compliance
Brand Registry enrollment, management & IP protection
New product launches — listing creation, keyword indexing & ranking strategy
FBA shipment planning, inventory management & reimbursement claims
Pricing strategy, Buy Box optimization & competitor price monitoring
Deals & promotions — Lightning Deals, Coupons, Prime Exclusive Discounts & Subscribe & Save
Review monitoring, Voice of Customer analysis & feedback management
Seller Support case management & escalation resolution
Storefront design and brand store optimization
International marketplace expansion (US, UK, CA, AU, DE)
Reporting & analytics — sales trends, traffic, conversion & inventory forecasting
Returns and refund analysis to identify product and listing gaps
Amazon Advertising
Data-driven PPC management focused on ACoS reduction, profitable scaling, and sustainable ROI.
Sponsored Products, Sponsored Brands & Sponsored Display campaign management
ACoS reduction, TACoS optimization & sustainable ROI management
Keyword research, search term analysis, bid & budget optimization
Campaign structure, match type strategy & negative keyword hygiene
Dayparting, placement multipliers & performance-based bid adjustments
Full-funnel ad strategy — awareness, consideration & conversion campaigns
Amazon SEO & Content
Listing optimization and content strategy that improves organic ranking, click-through rates, and conversion.
Listing optimization — titles, bullets, descriptions & backend search terms
A+ Content & Premium A+ modules — image galleries, comparison charts, brand story
High-converting main image and infographic strategy
Full account audits identifying growth gaps, performance leaks & ranking opportunities
Shopify Store Management
Full DTC store management — from product listings and CRO to email flows and loyalty programs.
Product listing creation — titles, descriptions, tags, metafields & SEO optimization
Collection page setup with offer-driven merchandising and promotional banners
Cart cross-sell and upsell configuration to increase AOV
Loyalty program setup and management — points, rewards & retention mechanics
Shop Ads campaign management for paid acquisition
Acquisition and retention strategy — driving new traffic while maximizing LTV
Inventory tracking, product updates & catalog maintenance
Blog content creation for SEO and brand authority
Customer journey analysis — identifying drop-off points and CRO opportunities
Email flows and campaigns via Klaviyo tied to Shopify purchase behavior
Marketplace Management
Multi-platform catalog management across eBay, Walmart, and TikTok Shop.
eBay listing creation, optimization & order management
Walmart Marketplace catalog setup, content optimization & performance tracking
TikTok Shop product listings, affiliate creator recruitment & GMV growth
Cross-marketplace inventory coordination and pricing consistency
Social Media Marketing
Full-funnel social strategy across Meta, TikTok, and Pinterest driving awareness through conversion.
Full-funnel strategy across Meta (Facebook/Instagram), TikTok & Pinterest
Platform-native content that drives awareness, engagement & direct response
Creative briefing for UGC, paid ads & organic content
Scheduling and performance tracking via Metricool
Paid Advertising
Cross-channel paid campaign management — Google, Meta, and TikTok — optimized for ROAS.
Google Ads — Search, Shopping, Display & Performance Max campaigns
Meta Ads — prospecting and retargeting campaigns optimized for ROAS via Meta Ads Manager
TikTok Ads — creative-led campaigns for awareness and direct response
Campaign budget management, audience building & creative testing across all paid channels
Cross-channel attribution and performance analysis via Triple Whale
Email & SMS Marketing
Klaviyo and Attentive lifecycle automation that turns one-time buyers into loyal repeat customers.
Klaviyo email flows — welcome sequences, post-purchase automations & abandoned cart
Attentive SMS flows — transactional alerts, promotional campaigns & conversational SMS
Broadcast campaigns optimized for open rate, CTR & revenue per recipient
Segmentation, A/B testing & lifecycle performance analysis

Tools & Platforms

The platforms I use daily to manage, optimize, and grow eCommerce businesses at scale.

Amazon & Marketplace
Amazon Seller Central Helium 10 Jungle Scout MerchantWords eBay Seller Hub Walmart Seller Center TikTok Shop
eCommerce & Retention
Shopify Klaviyo Attentive Triple Whale Refersion
Advertising & Analytics
Google Ads Meta Ads Manager TikTok Ads Manager Google Analytics Metricool

Professional Background

Disciplined, detail-oriented, and comfortable working independently or cross-functionally to execute, analyze, and report on performance at scale.

Let's Talk
2022 – Present
Sales & Marketing Specialist
US Private Label Brand — Amazon & eCommerce
  • Own end-to-end Amazon Seller Central operations: account health, Brand Registry, FBA logistics, compliance, and international expansion across US, UK, CA, AU, and DE marketplaces.
  • Manage full-funnel advertising across Amazon Sponsored Ads, Meta Ads, Google Ads, and TikTok — consistently reducing ACoS while growing revenue and organic rank.
  • Lead listing optimization, A+ Content production, and infographic strategy to improve CTR, CVR, and search ranking across all SKUs.
  • Build and manage Klaviyo email & Attentive SMS flows (welcome, post-purchase, win-back, cart abandonment) that drive repeat purchases and increase LTV.
  • Run competitive analysis and market intelligence using Helium 10, Jungle Scout, and Triple Whale to guide product launches and quarterly strategy.
  • Manage Shopify storefront: CRO, upsell/cross-sell logic, loyalty programs, Shop Ads, and Klaviyo integration for DTC acquisition and retention.
2018 – 2022
eCommerce Marketer & Virtual Assistant
Multiple US Clients — Amazon, Shopify, eBay, Walmart
  • Managed full SEO and listing optimization across Amazon, Shopify, eBay, and Walmart for multiple clients simultaneously.
  • Built and optimized email flows for post-purchase engagement and customer retention.
  • Executed PPC campaign setup and ongoing management across Amazon Ads and Google Ads.
  • Produced ad creatives, product images, and content assets for listings and paid campaigns.
  • Developed SOPs and operational playbooks that allowed clients to scale their marketing operations.
2011 – 2015
BS in Accounting Technology
University of San Carlos, Cebu, Philippines

What Clients Say

Real outcomes from brands that brought me in to solve growth challenges.

"David didn't just run campaigns — he built a growth system. Our revenue increased while ACOS dropped, and results stayed consistent month after month."

CB
Chanda B.
CEO, US-based Brand

"Our Amazon, eBay, and Walmart listings finally started converting. Rankings improved, ads became profitable, and sales stabilized. David brought real structure to what used to be guesswork."

AT
Adrienne T.
Multichannel eCommerce Owner

Let's Work Together

Have a role, project, or opportunity? I'd love to hear about it. I respond within 24 hours.

Get In Touch
Tell me about your business or the role you're hiring for. I'll be straight with you on what I can deliver.
Phone / WhatsApp
Location
Cebu, Philippines — Available Remotely
Currently open to full-time roles and long-term freelance engagements.
Send a Message
Share what you're working on and I'll get back to you within 24 hours.