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Web résumé

Mercenario G. Cadag

Technical SEO & Web Operations Professional

Mercenario “Mers” Cadag holding a camera

Professional Summary

Technical SEO and web operations professional with 25+ years across digital production, combining current website QA, SEO, WordPress, analytics, and web platform work with a deep background in desktop publishing, EPUB/eBook production, and XML workflows.

Experience

Virtual Assistant / Website QA

REBEL Internet B.V.

Jun 2019 – Present · Remote

Website quality assurance and digital operations across development, launch, and ongoing maintenance.

  • Perform website quality assurance and troubleshooting during development, pre-launch, and post-launch stages.
  • Check website functionality, content, usability, UI, and compatibility.
  • Support SEO and website operations across affiliate, e-commerce, and content sites.
  • Maintain and troubleshoot websites using WordPress, GA4, GTM, Google Search Console, Cloudflare, DNS, GitHub, Netlify, Lovable.dev, Supabase, and related web technologies.
  • Investigate implementation and deployment issues and verify that fixes work.
  • Document and communicate technical, content, and user-experience issues to the team for resolution.

EPUB Specialist

CircleGraphics Phils.

Feb 2011 – Mar 2019 · Makati City, Philippines

EPUB and eBook production for digital distribution across major reading platforms.

  • Produced EPUB and eBook files for digital distribution.
  • Created and prepared EPUB and PRC files for e-readers and digital platforms.
  • Worked with Adobe InDesign, Dreamweaver, Adobe Digital Editions, TextWrangler, Mobipocket Creator, Sigil, and Kindle Previewer.
  • Performed eBook production, conversion, proofreading, pagination, and related digital publishing tasks.
  • Supported workflows for Kindle, Nook, iBooks, and other eBook formats.

Compositor / Production Analyst

AsiaType, Inc.

Mar 2005 – Nov 2010 · Mandaluyong City, Philippines

Publishing composition, production analysis, and resource coordination using desktop and XML-based workflows.

  • Worked on publishing production projects using Adobe InDesign, FrameMaker, and XML.
  • Supported publishing projects for Pearson, Monotype, Glencoe, Berlitz, BPN, and Oxford University Press.
  • Performed composition and production tasks for publishing projects.
  • Arranged production tasks and coordinated resources for incoming projects.
  • Worked with XML-based and desktop publishing workflows.

Production Specialist

BOMA (Bodacious Marketing)

Jun 2004 – Oct 2004 · Parañaque City, Philippines

Magazine and marketing-material production from graphic preparation through final output.

  • Supported production of magazines and marketing materials.
  • Coordinated production requirements between graphic artists and typesetters.
  • Used QuarkXPress, Adobe PageMaker, Photoshop, and Illustrator.
  • Prepared logos, brochures, flyers, business cards, and other marketing materials.

Graphics Operator

SPI Technologies, Inc.

Sep 2003 – Mar 2004 · Parañaque City, Philippines

Graphic-file preparation and image production for international publishing clients.

  • Processed and prepared graphic files for publishing production.
  • Performed cropping, resizing, cleaning, and image manipulation.
  • Worked with PDF, TIFF, JPEG, and other graphic formats.
  • Used Adobe Photoshop and Illustrator.

Pagesetter

Silvercoin Publishing Two, Inc.

Aug 2002 – May 2003 · Makati City, Philippines

Book and journal page layout, typesetting, and production-file preparation.

  • Produced page layouts and typeset books and journals using QuarkXPress.
  • Used Adobe Photoshop, Acrobat Reader, Acrobat Distiller, and Adobe Illustrator.
  • Prepared publishing files for electronic transmission.

Production Associate

Innodata Phils., Inc.

2001

Digital document production and Optical Character Recognition (OCR)-related processing.

Offset Printer Operator

Big Pix Digital Indoor/Outdoor Printing

2005

Large-format printing and production.

Web Developer

ITWorks Web Services

2004

Web development, HTML/XHTML, and multimedia presentation work.

Sales Executive

Amoroso Computer Enterprises

2002

Computer hardware and component sales.

Computer Assistant and Technician

Redgate Computer Center

2000–2001

Computer services, technical assistance, maintenance, and troubleshooting.

Skills

SEO & Marketing

  • SEO
  • Technical SEO
  • On-page SEO
  • Local SEO
  • Affiliate SEO
  • Website Optimization
  • SEO audits
  • Structured data
  • Google Search Console
  • Google Analytics 4
  • Google Tag Manager
  • Google Ads
  • Google Merchant Center
  • Looker Studio
  • BigQuery
  • Semrush
  • Ahrefs
  • Majestic
  • BrightLocal
  • DataForSEO

Quality Assurance

  • Website QA
  • Functional testing
  • Usability testing
  • UI testing
  • Compatibility testing
  • Performance testing
  • Content QA
  • Website troubleshooting
  • Pre-launch QA
  • Post-launch QA

Web & Technology

  • WordPress
  • Elementor
  • Divi
  • HTML
  • CSS
  • JavaScript
  • XML
  • XSLT
  • Lovable.dev
  • GitHub
  • Netlify
  • Vercel
  • Cloudflare
  • Cloudflare Workers
  • Supabase
  • Resend
  • Next.js
  • DNS
  • Domain management
  • Website deployment

AI & Automation

  • ChatGPT
  • Claude
  • Claude Code
  • Cursor
  • Replit AI
  • Lovable AI
  • AI-assisted workflows
  • AI-assisted development
  • Content automation
  • Workflow automation
  • AI content workflows
  • AI video workflows

EPUB & Accessibility

  • EPUB production
  • eBook production
  • Reflowable EPUB
  • PRC
  • EPUB validation
  • EPUBCheck
  • DAISY ACE
  • Adobe Digital Editions
  • TextWrangler
  • Mobipocket Creator
  • Sigil
  • Kindle Previewer
  • Kindle
  • Nook
  • iBooks
  • EPUB accessibility
  • Alt text
  • Long descriptions
  • Semantic HTML
  • Accessibility workflows
  • Proofreading
  • Pagination

Publishing & Design

  • Adobe InDesign
  • Adobe Photoshop
  • Adobe Illustrator
  • Adobe Dreamweaver
  • Adobe Premiere
  • QuarkXPress
  • Adobe PageMaker
  • FrameMaker
  • Acrobat Reader
  • Acrobat Distiller
  • Desktop Publishing
  • Digital Publishing
  • PDF Production
  • Typesetting
  • Print Layout
  • Graphic preparation
  • Image manipulation
  • TIFF
  • JPEG
  • EPUB
  • Kindle
  • HTML/CSS
  • XML
  • XSLT
  • MathML
  • Oxygen XML Editor
  • Stylus Studio
  • Optical Character Recognition

Education

Bachelor of Science in Electronics and Communications Engineering

Technological University of the Philippines

1995–2002

Certifications

Certification details have not yet been supplied.

Selected Projects

Kuponatics

Affiliate / SEO / Web

An affiliate coupon and deals platform project covering web development, technical SEO, content workflows, analytics, admin tools, email infrastructure, and deployment.

PublishingJourneyman

Publishing / Content

My specialist publishing brand, covering traditional and digital publishing, EPUB/PDF production, and technical publishing workflows.

GamingJourneyman

Gaming / Content · In development

Gaming-focused digital content project.

merscadag.com

Personal blog · Work in progress

A work in progress website for my personal blogs.