John Wesley Quintero

Professional Summary

A highly effective Amazon Growth Specialist with over 5 years of hands-on experience, I drive significant e-commerce profitability through deep expertise in Amazon SEO, PPC, and holistic account management. I've consistently optimized listings, managed high-performing ad campaigns, and streamlined operations. My unique edge comes from actively developing custom automation tools using SP-API and Node.js, allowing me to bridge strategic needs with technical solutions that deliver measurable results.

Professional Experience

Amazon Specialist 2

My Amazon Guy

October 2024 - March 2025 (6 months)

Spearheaded data-driven Amazon SEO (Search Engine Optimization) and PPC (Pay-Per-Click) strategies for diverse clients, resulting in an average client sales increase of 35%.
Designed and implemented data visualization dashboards for client reporting, enhancing transparency and strategic decision-making in Amazon marketplace performance.
Optimized Amazon product listings, managed Amazon Ads campaigns, and conducted keyword research to significantly improve organic rank and ACoS (Advertising Cost of Sale) for client portfolios.
Developed "My Amazon Analytics," a powerful analytics dashboard for monitoring and optimizing Amazon advertising performance. View Project

Item Specialist

Bulk Buy America

March 2024 - September 2024 (7 months)

Managed and maintained extensive Amazon product catalogs, ensuring precise data accuracy and optimizing product listings for enhanced discoverability and sales.
Developed custom Excel-based price checking tools and utilized advanced VLOOKUP functions to streamline inventory management and procurement processes, improving efficiency by 25%.
Collaborated cross-functionally with supply chain and sales teams to resolve product-related issues, enhancing overall Amazon marketplace performance and customer satisfaction.

Marketplace Support

Adorama

May 2023 - September 2023 (5 months)

Provided comprehensive technical support and issue resolution for B2B clients concerning Amazon marketplace integrations, product listings, and Seller Central operations.
Effectively managed and updated product information across various online marketplaces, ensuring data accuracy and consistency for optimal product visibility.
Streamlined communication between clients and internal teams, facilitating swift resolution of Amazon order, listing, and account health discrepancies.
Developed and implemented a comprehensive Standard Operating Procedure (SOP) for the Amazon Reimbursement Process, improving efficiency and accuracy. View SOP
Created a Google Sheet SOP for Amazon Jira Issues, enhancing issue tracking and resolution efficiency. View SOP

Amazon Account Manager

Champion E-com LLC

October 2022 - September 2023 (1 year)

Managed and optimized Amazon account health, performance metrics, and compliance for multiple B2B clients, proactively addressing issues and driving sustainable growth.
Implemented strategic Amazon SEO and PPC campaigns, including keyword optimization and bid management, leading to a 20% increase in sales and enhanced product visibility within six months.
Analyzed competitor strategies, market trends, and Amazon data to identify new opportunities for client expansion, product launches, and profitability.
Developed and implemented a comprehensive Standard Operating Procedure (SOP) for Amazon FBA Department Operations, enhancing workflow efficiency and team productivity. View SOP

Amazon Wholesale Buyer

Sales.support

October 2018 - July 2022 (3 years 10 months)

Successfully identified and sourced profitable wholesale product opportunities for Amazon FBA (Fulfillment by Amazon) and FBM (Fulfillment by Merchant) models, directly contributing to a 25% increase in overall revenue.
Expertly negotiated favorable pricing and terms with suppliers and distributors, consistently maximizing profit margins and maintaining a competitive edge in the Amazon marketplace.
Conducted in-depth market research, competitor analysis, and product trend forecasting to inform purchasing decisions and capitalize on emerging opportunities within the e-commerce landscape.
Developed a comprehensive Standard Operating Procedure (SOP) for Amazon Wholesale Buyers, streamlining the sourcing and negotiation process. View SOP

Skills & Expertise

Amazon & E-commerce

Marketplace Management & SEO
PPC & Advertising (Amazon Ads)
FBA Inventory & Logistics
Competitor & Market Analysis

Data & Analytics

Data Visualization (Tableau, Power BI)
Seller Central Reporting
Business Intelligence & Insights
Advanced Excel (VLOOKUP, Pivots)

Automation & Development

SP-API Development & Integration
Custom E-commerce Tooling (Node.js)
AI/ML Implementation Concepts
Workflow Automation

Technical Stack

Node.js, React, Next.js
MongoDB, PostgreSQL, SQL
AWS (Lambda, S3, API Gateway)
Git, Docker, CI/CD

Projects & Portfolio

Live Demo

Explore a live demonstration of my work:

View Live Demo

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Tools & Platforms

Cloud & DevOps

AWS (Lambda, S3, API Gateway)
Docker
Git & GitHub
Netlify
Vercel

Databases & Data

MongoDB
PostgreSQL
Supabase
SQL
Tableau, Power BI, LookerStudio
Advanced Excel
Power Query

Project Management & CRM

Jira Software
Notion
Asana
ClickUp
Hubspot
Salesforce (basic)

Development Tools

VS Code
Postman
Insomnia
Chrome DevTools

E-commerce & Marketing

Amazon Seller Central
Amazon Ads Console
Helium 10
Jungle Scout
Smartscout
Analyzer Tools
SellerAmp SAS
Repricer Tools
Keepa
Sellerise
Price Checker 2
Google Analytics

Automation & Scripting

Custom Node.js Scripts
Python (basic scripting)
Zapier
Make.com (Integromat), WesAI
Selenium (web automation)
Airtable
Gsuite
MS 365
AS400
Canva
ChatGPT
Slack
Apollo

Education & Certifications

Education

University of Southeastern Philippines

Bachelor's degree, Elementary Education (2015 - 2019)

Iowa State University

Coursework, Educational Technology (May 2018)

Magugpo Institute of Technology

Coursework, Information Technology (2014)

Certifications

Amazon Advertising (Amazon, 2023)
Data Modeling (Pragmatic Works, 2024)
SEO, PPC, Catalog Management (MAG School, 2024)
Licensed Professional Teacher (PRC, 2021)