Amazon & eCommerce Marketplace Manager
GaziOmarElHalabiSuárez
Scaling Amazon & EU marketplace operations through catalogue excellence, operational control and AI-driven automation — for brands and agencies across 10 European marketplaces.
Marketplaces and brands worked with: L'ORÉAL, GLANBIA PERFORMANCE NUTRITION, AMAZON EU, MANOMANO, LEROY MERLIN, eMAG, EBAY, WALLAPOP, MERCADOLIBRE, DNIPRO-M, eSTORELABS
[ SELECTED BRAND EXPERIENCE ]
Brands worked with: Glanbia Performance Nutrition, Optimum Nutrition, BSN, Slimfast, Isopure, L'Oréal, Ferrero, Gerber, Dnipro-M
[ 01 / MARKETPLACE SCALE ]
Built for scale, not just skills.
Amazon accounts managed across brand and agency portfolios
European marketplaces operated (EU4 / EU8)
ASIN suppressions resolved and variation families rebuilt (career total)
Peak daily sales of the Amazon portfolios whose catalogue I managed
Products launched with optimised A+ / B+ content (career total)
And up to +22% conversion growth on listings I optimised
[ 02 / ABOUT ]
Senior Amazon and eCommerce professional with 15+ years across marketplace management, catalogue operations and digital commerce — brand-side leadership for L'Oréal and Glanbia Performance Nutrition, multi-client agency portfolios, and a decade of P&L ownership as founder and CEO. Proven at scale: 20+ Amazon accounts across 10 European marketplaces (EU4/EU8), on portfolios selling over €1M per day. Systems Engineer (MSc Business Intelligence & Big Data) who builds his own tooling — Python catalogue scraping and AI-driven multi-country localisation.
Torrelavega, Cantabria, Spain · Spanish (Native) · English (Professional)
[ 03 / EXPERTISE ]
Marketplace operations, built to scale with AI.
Amazon & Marketplaces
- Seller Central & Vendor Central
- Catalogue & Variation Management
- Suppression & Account Health
- Listing Optimisation, SEO & PPC
- A+ / B+ Content & Video
- Marketplace Expansion (EU4/EU8)
Digital Commerce
- eCommerce & Catalogue Operations
- Product Launch Management
- Product Content & E-merchandising
- Conversion Optimisation
- Demand Forecasting & Stock Planning
- EU Compliance & Regulations
- Team Leadership & P&L Ownership
Data, AI & Automation
- Python Automation & Web Scraping
- AI Content Localisation (Claude / OpenAI / Gemini)
- Master Catalogue / PIM Design
- Business Intelligence & Big Data
- Sales Analysis & Digital Transformation
Platforms
Amazon Seller Central · Vendor Central · Salsify · Opera · JIRA
Data & Automation
Python · OpenAI API · Gemini API · Claude · Advanced Excel
Marketplaces
Amazon EU · ManoMano · Leroy Merlin · eMAG · eBay · Wallapop · MercadoLibre
[ 04 / CASE STUDIES ]
Tooling built to run marketplace operations at scale.
Amazon Catalogue Scraper
A Python tool that extracts live Amazon listing content and consolidates 600 SKUs into a master catalogue (PIM), cross-referencing each SKU against the official brand website to flag data discrepancies — making content independent of any single marketplace.
SKUs consolidated
Master catalogue / PIM
AI Localisation Pipeline
A Claude / OpenAI / Gemini pipeline generating native ES / IT / FR / DE content from the master catalogue, exported as marketplace-ready flat files for Amazon EU, ManoMano and Leroy Merlin — scaling listing output from a few products per day to hundreds.
Native languages: ES / IT / FR / DE
Few listings/day → hundreds
AI Image Text Localiser
Batch software that localises the text inside product images while preserving design, typography and layout — 50 images into DE / FR / ES / IT returns one ready-to-upload folder per market.
Images per batch, 4 markets
Ready-to-upload market folders
Glanbia Performance Nutrition — 10-Market Catalogue
Managed catalogue and e-merchandising operations for Amazon portfolios with sales exceeding €1M per day across 10 European marketplaces (EU4/EU8). Delivered A+/B+ content, video optimisation and SEO-driven listings, restoring 50+ suppressed ASINs and cutting manual catalogue errors by 40% through automation.
Managed portfolio sales across 10 markets
Conversion rate improvement
Suppressed ASINs restored
Manual catalogue errors
[ 05 / EXPERIENCE ]
Fifteen years, four countries, one operating model.
MAR 2026 – PRESENT
Barcelona, Spain
Amazon Country Manager
Dnipro-M Spain
- Lead end-to-end management of the brand's Amazon account, owning growth, conversion and profitability across the Spanish marketplace.
- Designed and built a Python scraping system that extracts Amazon listing content and consolidates 600 SKUs into a master catalogue (PIM), making content independent of any single marketplace.
- Developed an AI localisation pipeline (Claude / OpenAI / Gemini) producing native ES/IT/FR/DE content and marketplace-ready flat files for Amazon EU, ManoMano and Leroy Merlin, scaling listing output from a few products per day to hundreds.
- Direct catalogue optimisation, content strategy and advertising investment to drive qualified traffic, conversion and return on ad spend.
- Own demand forecasting, stock planning and replenishment, coordinating with warehouse and operations teams to protect availability and support scalable growth.
- Drive marketplace expansion beyond Amazon — Leroy Merlin, eMAG Romania and additional channels — tailoring content, operations and commercial strategy to each platform.
MAR 2025 – MAR 2026
Warsaw (remote from Spain)
Digital Specialist — Glanbia Performance Nutrition
eStoreLabs
- Managed catalogue and e-merchandising operations for Amazon portfolios with sales exceeding €1M per day across 10 European marketplaces (EU4/EU8).
- Delivered A+ and B+ content, video optimisation and SEO-driven listings, improving conversion rates by 20%; markets grew 25–40% following the catalogue optimisation programme.
- Governed Seller Central and Vendor Central operations — account health and EU compliance — restoring 50+ suppressed ASINs and resolving complex variation issues.
- Spearheaded new product launches (content, flat files, attributes, compliance) and implemented automation that cut manual catalogue errors by 40%.
SEP 2024 – MAR 2025
Warsaw (remote from Spain)
Digital Specialist — L'Oréal Iberia
eStoreLabs
- Managed the full digital content lifecycle — imagery, copy, flat files and SEO — for L'Oréal Iberia's Amazon business (≈€2M monthly revenue), coordinating design, copy and client teams.
- Conducted content audits and competitor analysis and enforced brand and EU market requirements, reducing listing rejections by 30%.
- Acted as Salsify and Opera systems specialist for product content management and syndication.
OCT 2022 – AUG 2024
Miami, US (remote from Spain)
Senior Amazon Specialist
Primer Seller Solution
- Advised a consultancy portfolio of 20+ SMB Amazon sellers on catalogue operations, SEO and advertising, rebuilding broken variation trees across EU4/EU8.
- Developed keyword-optimised listings delivering +30% organic traffic and +18% CTR uplift, and led Prime Day and Black Friday campaigns achieving double-digit revenue growth.
Earlier career — 10+ years of entrepreneurial & P&L leadership
OCT 2016 – MAR 2023
Lechería, Venezuela
Chief Executive Officer
Inversiones Gajen
- Founded and scaled an import and retail company in consumer electronics, owning supply chain, P&L and sales operations and negotiating B2B supplier contracts, improving cost efficiency by 15%.
- Directed teams of 15+ staff across multi-channel sales, reaching top-10 seller ranking on MercadoLibre Venezuela.
JAN 2015 – FEB 2022
Venezuela
Amazon FBA Seller — Private Label
Amazon
- Built and ran a private-label FBA brand for seven years, managing catalogue operations, listings, PPC and A+ content and improving conversion by 25%.
- Specialised in suppression resolution and hijacker removal, and launched multiple high-demand SKUs while overseeing inventory and fulfilment.
JUN 2012 – FEB 2022
Lechería, Venezuela
General Manager
Veniglobal 15000, C.A.
- Directed B2B and B2C sales operations across a 500+ SKU catalogue, scaling online and offline channels to top-10 MercadoLibre seller status.
- Implemented CRM and digital transformation initiatives that improved retention, and managed electronics imports, exports and supplier performance.
SEP 2008 – JUN 2012
Anzoátegui, Venezuela
System Analyst
Saetha Business Group
- Delivered data analysis and CRM implementations supporting business decision-making, and produced technical documentation bridging development teams and clients.
[ 06 / EDUCATION ]
2023–2025
MSc in Business Intelligence & Big Data
Instituto Europeo de Posgrado (IEP), Spain
2023–2025
Advanced Executive Program, Business Intelligence & Big Data
Summa University
2003–2008
Systems Engineer (BSc, Computer Engineering)
Universidad de Oriente, Venezuela
Languages & Mobility
- SpanishNative
- EnglishProfessional
Based in Spain · Open to remote, EU and international roles
[ 07 / SERVICES ]
Marketplace Operations. Catalog Infrastructure. Scalable Growth.
I help brands build, optimize and scale their marketplace operations through structured product data, international marketplace experience, operational expertise and practical automation.
Marketplace & Catalog Audit
Identify the gaps. Prioritize the opportunities.
A focused review of your marketplace operation, catalog and content to identify issues, improvement opportunities and the next actions that matter.
Includes
- Account and catalog structure review
- Listing, content and attribute review
- Operational issue identification
- Marketplace presence and competitive context review
- Prioritized recommendations
- Executive summary report
Deliverable
Audit report + prioritized action plan
Typical delivery
5–7 business days, depending on scope
Ideal for
Brands that need clarity before investing further in marketplace growth
Catalog Structuring & Marketplace Expansion
Turn fragmented product data into a scalable catalog.
I help brands consolidate and structure their product information, then prepare and adapt it for new marketplaces — so growth does not mean rebuilding the catalog from scratch every time.
Includes
- Product data consolidation and structuring
- Master catalog preparation
- SKU / attribute mapping
- Marketplace-specific data adaptation
- AI-assisted content localization, with human review and validation
- Publication-ready files and agreed launch assistance
Deliverable
Structured master catalog + marketplace-ready data + localization assets
Ideal for
Brands with an established catalog entering new markets, or brands whose product data has become inconsistent across channels
Marketplace Operations Support
Bring structure and consistency to your day-to-day operations.
Ongoing support for brands that need their marketplace catalog and operations managed with accuracy, not just monitored. Scope is tailored to your catalog size, number of marketplaces and workload.
Typical support areas
- Catalog and listing maintenance
- Marketplace operational issue follow-up
- Content and data coordination
- Cross-market updates
- Agreed reporting and prioritization
Not included by default
PPC / advertising management · Full copywriting production · Professional translation · Creative design, photography or video production · ERP/PIM implementation · Software development outside the agreed scope
Additional work outside the agreed scope is quoted separately before execution.
Deliverable
Ongoing marketplace operations support
Ideal for
Brands that need a dedicated owner for marketplace operations without hiring in-house
E-commerce Automation & Data Solutions
Automate the workflows that slow your team down.
Practical automation for repetitive catalog, data and marketplace workflows — built around your specific process, not a generic tool.
Includes
- Catalog extraction and consolidation
- Product data validation and pre-publication checks
- AI-assisted localization workflows
- Post-publication reconciliation
- Reporting automation
- Custom workflow tools and operational utilities, documented for your team
Deliverable
A defined automation workflow, tool or operational solution
Ideal for
Teams losing time to manual, repetitive catalog or data work
Additional Capabilities
Supporting capabilities woven into the services above — not independent services or additional packages.
Selected Experience
Confidential Client — eCommerce Agency Engagement
International Marketplace Operations
Managed catalog and marketplace operational workflows across multiple European markets, coordinating content, pricing and issue resolution across a large product portfolio.
Confidential Client Project
Catalog Automation & Master Catalog Development
Developed a Python-based workflow to extract, consolidate and structure product information into a master catalog, supporting more efficient catalog management and marketplace preparation.
Internal / Client Workflow
AI-Assisted Localization Workflow
Built a workflow to support product content localization across markets, combining automation, structured product data and validation processes.
[ 08 / CONTACT ]
Let's talk about your marketplace.
Share a few details about your marketplace, catalog or automation needs — an audit, an expansion, ongoing operations support, or a specific workflow to automate. I respond personally to every message.