Mark Jastine

$3.00/hr
30+ hrs/week

E-commerce Product Listing & Research Specialist

I'm an E-commerce Product Research and Listing Specialist experienced in eBay, Amazon, and Shopify. I help online sellers grow their businesses by discovering winning products, creating SEO-optimized listings, and enhancing product visibility through precise data and engaging visuals.

Mark Jastine S.

Available Now

Remote Worker - Philippines

My Services

Comprehensive e-commerce support tailored to your business needs

Product Research

Data-driven product discovery to identify winning products with high profit potential.

  • Product Lead generation
  • Market trend analysis
  • Competitor research
  • Profitability assessment
  • Customer demand validation
  • Supplier reliability evaluation
  • Price competitive analysis

Product Listing

SEO-optimized listings that convert browsers into buyers across multiple platforms.

  • Title & description optimization
  • Keyword research & implementation
  • Platform-specific formatting
  • Image enhancement
  • Enhance bullet-point structuring
  • Listing compliance and policy checks

E-commerce SEO

Boost your product visibility and rankings with strategic SEO implementation.

  • SEO competitor analysis
  • On-page optimization
  • Performance tracking
  • Technical SEO improvements
  • Search intent alignment
  • Content gap analysis

My Skills

Comprehensive skill set for e-commerce success

Platform Expertise

Ebay Amazon Shopify Ebay Walmart Zik Analytics Helium 10 Keppa AutoDS Tool SellerAmp Google Workspace Figma Capcut Chatgpt Deepseek Canva Trello

Technical Skills

Product Listings Dropshipping Ecommerce SEO Product Research Title & Description Optimization Editing & Proofreading SEO Competitor Analysis Quality Assurance Data Analytics Graphic Design Basic Image Enhancement & Video Editing Report Writing

Languages

EN

English

Conversational

TL

Tagalog

Native or Bilingual

My Portfolio

Examples of my work and capabilities

Ebay Project 1
Ebay Project 2
Ebay Project 3
Ebay Project 3

Ebay & Shopify Product Listing Optimization

Improved product listing performance through strategic SEO enhancements and effective content optimization. This resulted in higher search visibility, stronger customer engagement, and a significant boost in conversion rates across e-commerce platforms.

eBay Shopify Product Listing SEO Keyword Research Dropshipping Optimization

Amazon Product Research

Conducted comprehensive Amazon product research using data-driven methods to identify profitable opportunities. Evaluated market trends, competition, and demand to pinpoint high-potential products. Delivered insights that helped clients focus on winning items and strengthen their overall sales performance.

Amazon Product Research Helium 10 Data Analytics Market Trends Product Lead Generation Competitive Analysis Niche Validation
Amazon Project 1
Amazon Project 1
Amazon Project 2
Amazon Project 3

Interested in working together?

Start a Project
Your Name

About Me

I'm a dedicated E-commerce Product Research and Listing Specialist with experience across eBay, Amazon, and Shopify. I help online sellers grow their businesses by identifying high-potential products, creating SEO-optimized listings, and boosting product visibility through data-driven strategies and engaging visuals. You can view my certificate here .

Education

Marinduque State University

Bachelor of Science in Information Technology, Software Development

Philippines

Availability

More than 30 hrs/week

Fully available for new projects

Let's Work Together

Ready to boost your e-commerce business? Let's discuss how I can help.

Get In Touch

sienamarkjastine34@gmail.com
$3.00/hr (Introductory Rate)
30+ hours/week available

Why Work With Me?

  • Proven expertise in eBay, Amazon & Shopify
  • Data-driven product research & competitive analysis
  • SEO-optimized listings that convert
  • Has background in dropshipping, title & description optimization, and product research tools (Zik Analytics, Helium 10, Keppa)
  • Strong attention to quality assurance, reporting, and data analytics for actionable insights

Send Me a Message

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