Johnny Rivera
Johnny Rivera

Frontend Developer

Open to offers · Member since 17 Sep 2026
Location
San Diego, United States
Desired salary
from 75k USD/yearly
Work preference
Remote Only / Full Time, Contract, Freelance
Experience level
Senior

About

Professional summary

I am a frontend developer with over five years of experience building responsive, user-friendly websites and e-commerce solutions in agency environments.

I specialize in custom WordPress and Shopify development, combining PHP, JavaScript, Liquid, HTML, and CSS to create tailored themes, templates, and integrations.

I focus on accessibility, WCAG-compliant experiences, performance optimization, Core Web Vitals, and SEO-friendly implementations that improve usability and conversions.

I have experience collaborating with design teams, translating brand goals into polished web experiences, and performing cross-browser and cross-device testing and debugging.

I also build custom functionality with ACF and PHP, manage website migrations, configure hosting environments, and create CI/CD workflows to improve deployment speed.

As a freelance developer, I deliver custom development, redesign, maintenance, and e-commerce projects for digital agencies and their clients.

Notice period: 2 Weeks

Skills

22 capabilities

Tech stack & tools

Working toolkit

Application Hosting

Data Stores

Design

Languages & Frameworks

Experience

Career history

Web Developer Freelance

I deliver custom web development projects and ongoing maintenance for various digital agencies.

My work includes a custom Shopify theme for Coral Sales, a custom WordPress website for Wayfyndr, and a homepage redesign for Strength App.

Web Developer Innovision

Developed websites with Elementor Pro, building custom templates, widgets, and layouts aligned with client brand goals.

Implemented Advanced Custom Fields and custom PHP functionality to extend site capabilities. Set up automated CI/CD pipelines, improved site speed, and delivered SEO-optimized websites.

Web Developer Power Digital

Collaborated with the design team to build custom WordPress and Shopify websites using PHP, JavaScript, Liquid, HTML, and CSS.

Developed custom WordPress themes, implemented performance and security improvements, conducted cross-browser and cross-device testing, and migrated WordPress websites between hosting platforms.

Built custom Shopify themes, created Liquid templates, configured stores, and integrated Shopify applications.

Education

Learning history

San Diego College of Continuing Education

Frontend Web Development Certification, Web Development

Completed training in web design, HTML5, CSS3, Bootstrap, Sass, JavaScript, jQuery, and AJAX.

SoftStack Factory

Full Stack Development Certification, Full Stack Development

Completed training in MongoDB, Express, Angular, Node.js, the MEAN stack, Ionic Framework, object-oriented programming, and JavaScript.

San Diego Mesa College

Associate of Science, Web Development

This professional hasn’t added portfolio projects yet.

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