Web Developer with 15+ years of experience specializing in custom WordPress and Shopify development. I build and customize themes, templates, and plugins using PHP and Liquid, translating complex designs into responsive, performance-focused web experiences. I also bring strong IT and technical leadership experience, including managing cloud migrations, supporting distributed teams, and improving operational productivity through secure, reliable infrastructure and troubleshooting.

Marcio Vieyra

Web Developer with 15+ years of experience specializing in custom WordPress and Shopify development. I build and customize themes, templates, and plugins using PHP and Liquid, translating complex designs into responsive, performance-focused web experiences. I also bring strong IT and technical leadership experience, including managing cloud migrations, supporting distributed teams, and improving operational productivity through secure, reliable infrastructure and troubleshooting.

Available to hire

Web Developer with 15+ years of experience specializing in custom WordPress and Shopify development. I build and customize themes, templates, and plugins using PHP and Liquid, translating complex designs into responsive, performance-focused web experiences.

I also bring strong IT and technical leadership experience, including managing cloud migrations, supporting distributed teams, and improving operational productivity through secure, reliable infrastructure and troubleshooting.

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Language

English
Fluent
Spanish; Castilian
Fluent

Work Experience

Web Developer at Freelance (Worldwide)
August 1, 2009 - Present
Develop and maintain custom web solutions using WordPress and Shopify. Customize WordPress themes and plugins and build Shopify themes/templates using PHP and Liquid. Convert complex designs into responsive websites with HTML, CSS, and JavaScript. Perform website audits and performance optimizations. Train end-users on WordPress and Shopify platform management.
Technology Manager at Freelance (Buenos Aires, Argentina to the World)
May 1, 2008 - Present
Oversee IT operations globally, providing technical support to a large team using Windows, macOS, Android, and iOS. Lead cloud migration to Office 365, improving collaboration and productivity. Manage networks and systems administration, including troubleshooting printers, routers, and other hardware. Research and implement new technologies to support organizational IT strategy.
Level 2 Technical Support Agent at Cyber T est
July 1, 2007 - April 1, 2008
Troubleshot a variety of electrical and computing equipment including PCs, notebooks, PDAs, printers, faxes, and GPS devices, addressing both hardware and software/firmware issues. Followed up on calls to confirm resolution and that units operated correctly. Answered questions about warranty options, prices, and policy.
Napster Technical Support at Connextions
September 1, 2004 - September 1, 2006
Provided customer support via telephone and email. Troubleshot Napster Windows client and portable devices. Conducted call-backs to help resolve complex technical issues when other agents were unsuccessful. Maintained up-to-date knowledge of Windows OS, Digital Rights Management, portable players, and smartphones/PDA devices.

Education

Technical Certificate at Universidad De Palermo
January 1, 2012 - January 1, 2012
Technical Certificate at Florida Metropolitan University
January 1, 2008 - January 1, 2008
Associate of Science at Valencia Community College
January 1, 2006 - January 1, 2006
High School Diploma at Cypress Creek High School
January 1, 2003 - January 1, 2003

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Professional Services
    WordPress Booking Site for Yoga Instructor — AlbaFit Yoga

    Built the complete website for a yoga instructor offering classes and international retreats. Researched the competitive landscape to inform the site structure, then developed a mobile-first, SEO-optimized site using WordPress and Elementor. Integrated the Amelia booking plugin to handle class and retreat reservations, with full payment gateway support so clients could book and pay directly through the site. Implemented structured content and SEO best practices throughout to improve organic visibility. Delivered a polished, intuitive site that makes it easy for new clients to discover the instructor’s offerings and book with confidence.

    WordPress Site Rebuild — Photography Portfolio (GornPhoto)

    Rebuilt an existing photography portfolio website from scratch, replicating the original design while introducing targeted visual improvements. Developed with WordPress and Elementor, with a strong focus on responsive behavior across all screen sizes. Maintained close communication with the client throughout to ensure every visual detail aligned with the photographer’s personal brand. Delivered a clean, fast-loading site that faithfully represents the photographer’s aesthetic and works seamlessly on mobile and desktop.

    WordPress Booking Site for Boutique Rental Property — Casa Valentine (Sicily)

    Developed the website for an exclusive boutique rental property nestled in the baroque heart of Ragusa Ibla, Sicily, working alongside a UI designer who delivered the approved visual design. Responsible for translating that design into a fully functional site using WordPress and Elementor, integrating a booking plugin to manage reservation requests, and applying performance optimization tools to ensure fast load times. The result is an editorial, image-forward site — built around full-screen photography and refined typography — that communicates the property’s exclusivity and turns visitors into guests.

    Sole Developer — WordPress, Elementor, WP Booking Plugin, Performance Optimization

    Ongoing Shopify Support & Development — Amphora Collection

    Providing continuous Shopify development support for this Greek luxury goods brand. Responsible for a steady stream of ongoing work — new sections, layout refinements, theme updates, bug fixes, and performance improvements — delivered reliably as the business evolves. Ensured the store remained polished, functional, and aligned with the brand’s premium positioning at every stage. This engagement is a strong example of the kind of long-term, trusted developer relationship that keeps a Shopify store in peak condition over time.

    Ongoing Shopify Developer — Shopify, Liquid, HTML/CSS, Theme Maintenance

    WordPress Membership Platform with Custom Backend — Brussels Women's Club

    Developed a sophisticated membership website for one of Brussels’ leading women’s networks, working alongside a UI designer who handled visuals while I owned all technical implementation. After receiving design approval from the club’s president, built the full platform on WordPress + Elementor and integrated a carefully selected plugin stack: MemberPress for subscription tiers and membership management, ModernEventsCalendar for a full event agenda, GiveWP for charitable fundraising, and WooCommerce for merchandise. Beyond plugin integration, built a custom backend to manage member and teacher profiles, developed an internal member directory with subscription expiry tracking, and created custom admin reports for club management. Handled both PHP and JavaScript customizations to meet the club’s specific operational needs.

    WordPress, Elementor, PHP, JavaScript, MemberPress, WooCommerce, GiveWP, ModernEventsCalendar

    Long-Term Shopify Development Partner — PLĀS Collective

    Serving as the ongoing Shopify development partner for this Italian fashion brand over multiple years. Over the course of the relationship, rebuilt the entire storefront multiple times as the brand evolved, each iteration delivering a more refined and performant experience. Core work involves creating fully custom Liquid sections from scratch, implementing design updates aligned with seasonal collections, maintaining the theme codebase, and continuously improving site performance and UX. The brand’s minimalist aesthetic demands precise, clean code — every section is built to be flexible, reusable, and on-brand.

    Role: Ongoing Shopify Developer — Shopify, Liquid, HTML/CSS, Theme Customization

    Full E-Commerce Redesign & Conversion Optimization — CandidTails (Shopify)

    Hired to lead a complete overhaul of this pet care e-commerce store on Shopify. Began with a thorough site audit — analyzing UX pain points, performance issues, and conversion blockers across the entire storefront. Presented a full design proposal to the client via PDF mockup before any code was written, securing sign-off before development began. Rebuilt the store on Shopify using a new theme with heavily customized Liquid sections across product pages, collections, cart, and checkout. Leveraged Microsoft Clarity for behavioral insights post-launch to continuously refine the user journey. Acted as both designer and developer throughout the entire project.

    Lead Designer & Developer — Shopify, Liquid, HTML/CSS, UX Audit, CRO

    Custom Therapy Marketplace Platform — Espacio Kawsay

    Designed and developed a full-featured online marketplace connecting therapists with people seeking holistic and alternative therapies in Argentina. Handled both design and development end-to-end, building entirely on WordPress with heavy PHP customization. Created two distinct user experiences — one for therapists, one for clients — with role-specific dashboards, profiles, and features. Built a custom backend workflow to review and approve therapist applications, automate profile creation, and assign therapy categories. Client-facing features include browsing therapists by specialty, leaving reviews, and saving favorites. The entire onboarding and profile management flow is fully automated, reducing manual admin work to near zero.

    WordPress, PHP, Custom Backend, UX Design, Plugin Development