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I’m Juan Crespo, a senior web developer specializing in WordPress and e‑commerce with 20+ years of experience building high‑performance WordPress and WooCommerce websites. I design and customize plugins and themes, create Elementor widgets and Gutenberg blocks, and work with PHP 8+, REST APIs, SEO optimization, Core Web Vitals, accessibility compliance, and headless WordPress to deliver fast, accessible, and scalable online stores. I collaborate with clients to translate business needs into robust, maintainable web solutions, applying best practices in UX, performance, and accessibility to ensure measurable results and lasting value.…I’m Juan Crespo, a senior web developer specializing in WordPress and e‑commerce with 20+ years of experience building high‑performance WordPress and WooCommerce websites. I design and customize plugins and themes, create Elementor widgets and Gutenberg blocks, and work with PHP 8+, REST APIs, SEO optimization, Core Web Vitals, accessibility compliance, and headless WordPress to deliver fast, accessible, and scalable online stores. I collaborate with clients to translate business needs into robust, maintainable web solutions, applying best practices in UX, performance, and accessibility to ensure measurable results and lasting value.

Juan Crespo

Web Developer, Front-End Developer, Full Stack Developer

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I’m Juan Crespo, a senior web developer specializing in WordPress and e‑commerce with 20+ years of experience building high‑performance WordPress and WooCommerce websites. I design and customize plugins and themes, create Elementor widgets and Gutenberg blocks, and work with PHP 8+, REST APIs, SEO optimization, Core Web Vitals, accessibility compliance, and headless WordPress to deliver fast, accessible, and scalable online stores. I collaborate with clients to translate business needs into robust, maintainable web solutions, applying best practices in UX, performance, and accessibility to ensure measurable results and lasting value.…I’m Juan Crespo, a senior web developer specializing in WordPress and e‑commerce with 20+ years of experience building high‑performance WordPress and WooCommerce websites. I design and customize plugins and themes, create Elementor widgets and Gutenberg blocks, and work with PHP 8+, REST APIs, SEO optimization, Core Web Vitals, accessibility compliance, and headless WordPress to deliver fast, accessible, and scalable online stores. I collaborate with clients to translate business needs into robust, maintainable web solutions, applying best practices in UX, performance, and accessibility to ensure measurable results and lasting value.

Available to hire

I’m Juan Crespo, a senior web developer specializing in WordPress and e‑commerce with 20+ years of experience building high‑performance WordPress and WooCommerce websites. I design and customize plugins and themes, create Elementor widgets and Gutenberg blocks, and work with PHP 8+, REST APIs, SEO optimization, Core Web Vitals, accessibility compliance, and headless WordPress to deliver fast, accessible, and scalable online stores.

I collaborate with clients to translate business needs into robust, maintainable web solutions, applying best practices in UX, performance, and accessibility to ensure measurable results and lasting value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Spanish; Castilian

Fluent

Work Experience

Senior Web Developer & E-Commerce Specialist at Freelance

December 1, 2008 - Present

Managed 30+ WordPress/Drupal/WooCommerce/Shopify websites using Elementor, Gutenberg, DIVI, and custom solutions, improving client satisfaction by 25%. Designed and implemented WooCommerce/Shopify stores using APIs including Stripe, Clover, Authorize.net, and Google Maps, improving efficiency by 40%. Developed custom themes and plugins tailored to client branding and optimized development cycles by 30%. Built mobile-optimized interfaces using React.js and Vue.js to reduce bounce rates by 20%. Executed SEO strategies (structured data, Open Graph, GTM), increasing organic traffic by 35% and engagement by 20%. Delivered ongoing maintenance and security updates, maintaining 99.9% uptime. Integrated Meta and TikTok marketing pixels to improve conversion accuracy and ad performance by 25%.

Senior Frontend Developer at Pet Valu

July 1, 2017 - August 31, 2023

Led development of four WooCommerce sites using Elementor, custom themes, and headless CMS via Contentful, boosting online sales by 35%. Integrated Stripe, Google Maps, Meta, and Authorize.net APIs to enhance UX and transactions. Managed responsive design, accessibility (WCAG 2.1 AA), and SEO optimization, improving traffic and compliance. Conducted QA testing and code reviews using Git, Postman, Lighthouse; reduced errors by 40%. Directed a team of 5+ in delivering scalable e-commerce experiences, improving delivery timelines by 20%.

Senior Web Developer at Signature Impact Windows & Doors

January 1, 2015 - April 1, 2017

Built WooCommerce sites with custom themes and optimized checkout flows, increasing revenue by 40%. Developed conversion-optimized landing pages using React and JavaScript on Shopify and WordPress. Integrated Meta Pixels, Google Ads, and SEO best practices to boost traffic and conversions. Designed and deployed a custom CRM system using React, React Native, Next.js, and custom REST APIs to support mobile/web operations, improving internal workflow. Conducted Git-based code reviews and maintained performance and security standards.

Project Lead at IFC Miami

January 1, 2018 - Present

Built a high-performance WordPress site using Elementor, schema, and Open Graph SEO, increasing organic traffic by 25%.