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Hi, I’m Jace Guinto, a Miami-based full stack developer who builds production-ready web apps, headless storefronts, and robust integrations. I translate complex designs into accessible, high-performance interfaces using React, Next.js, Remix, TypeScript, GraphQL, and REST APIs. My approach blends UI craftsmanship with scalable, API-driven architecture to deliver polished experiences across devices and platforms. From UI architecture to API design, webhooks, and platform automation, I’m comfortable across the full stack and focused on building maintainable solutions that meet business goals and Core Web Vitals targets. I enjoy collaborating with product and design teams to optimize conversions and growth for brands, while maintaining accessibility and performance standards.…Hi, I’m Jace Guinto, a Miami-based full stack developer who builds production-ready web apps, headless storefronts, and robust integrations. I translate complex designs into accessible, high-performance interfaces using React, Next.js, Remix, TypeScript, GraphQL, and REST APIs. My approach blends UI craftsmanship with scalable, API-driven architecture to deliver polished experiences across devices and platforms. From UI architecture to API design, webhooks, and platform automation, I’m comfortable across the full stack and focused on building maintainable solutions that meet business goals and Core Web Vitals targets. I enjoy collaborating with product and design teams to optimize conversions and growth for brands, while maintaining accessibility and performance standards.

Jace Guinto

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Jace Guinto, a Miami-based full stack developer who builds production-ready web apps, headless storefronts, and robust integrations. I translate complex designs into accessible, high-performance interfaces using React, Next.js, Remix, TypeScript, GraphQL, and REST APIs. My approach blends UI craftsmanship with scalable, API-driven architecture to deliver polished experiences across devices and platforms. From UI architecture to API design, webhooks, and platform automation, I’m comfortable across the full stack and focused on building maintainable solutions that meet business goals and Core Web Vitals targets. I enjoy collaborating with product and design teams to optimize conversions and growth for brands, while maintaining accessibility and performance standards.…Hi, I’m Jace Guinto, a Miami-based full stack developer who builds production-ready web apps, headless storefronts, and robust integrations. I translate complex designs into accessible, high-performance interfaces using React, Next.js, Remix, TypeScript, GraphQL, and REST APIs. My approach blends UI craftsmanship with scalable, API-driven architecture to deliver polished experiences across devices and platforms. From UI architecture to API design, webhooks, and platform automation, I’m comfortable across the full stack and focused on building maintainable solutions that meet business goals and Core Web Vitals targets. I enjoy collaborating with product and design teams to optimize conversions and growth for brands, while maintaining accessibility and performance standards.

Available to hire

Hi, I’m Jace Guinto, a Miami-based full stack developer who builds production-ready web apps, headless storefronts, and robust integrations. I translate complex designs into accessible, high-performance interfaces using React, Next.js, Remix, TypeScript, GraphQL, and REST APIs. My approach blends UI craftsmanship with scalable, API-driven architecture to deliver polished experiences across devices and platforms.

From UI architecture to API design, webhooks, and platform automation, I’m comfortable across the full stack and focused on building maintainable solutions that meet business goals and Core Web Vitals targets. I enjoy collaborating with product and design teams to optimize conversions and growth for brands, while maintaining accessibility and performance standards.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Shopify Plus Developer at Front Row Group

October 1, 2023 - October 1, 2025

Built and maintained responsive, production-ready Shopify Plus storefronts across multiple clients using React, Remix, Vue.js, TypeScript, JavaScript (ES6+), HTML5, and CSS3 — delivering reusable, component-driven UI patterns and scalable features across devices and browsers. Translated Figma designs into pixel-perfect storefront experiences using Liquid, CSS, and JavaScript, maintaining accessibility and Core Web Vitals targets. Developed custom Shopify themes and storefront functionality to support tailored user experiences and merchandising goals. Implemented platform automations, storefront enhancements, and third-party integrations (Amazon, Walmart, Klaviyo, Recharge, Google Analytics) via GraphQL, REST APIs, webhooks, and Vue.js. Engineered backend Shopify solutions using Ruby in Shopify Scripts, and built Checkout Extensions and custom apps with React and GraphQL to support multi-currency functionality and custom checkout enhancements. Built and maintained Shopify integrations

Full Stack Developer at Taylor Pond

May 1, 2022 - October 1, 2023

Engineered reusable, client-editable page and section templates using HTML5, CSS3, JavaScript, and PHP/Liquid, standardizing layout patterns to reduce duplication and accelerate delivery. Refactored inherited codebases to improve Core Web Vitals and PageSpeed scores, while eliminating technical debt and stabilizing cross-browser behavior. Ensured ADA/WCAG-compliant UX with semantic HTML, ARIA, keyboard navigation, and accessible color contrast. Built modular marketing email templates using Django templating, rendering dynamic, data-driven content for scalable campaigns. Optimized the end-to-end customer journey across landing pages, PDPs, cart, and checkout — leveraging Shopify apps to A/B test content and improve conversion rate, AOV, and total sales.

Full Stack Developer (Shopify Plus) at Mau

January 1, 2021 - May 1, 2022

Maintained and extended production storefront code by building new templates and sections and resolving theme/app integration conflicts. Implemented accessibility and SEO best practices, achieving PageSpeed Insights scores above 90 on mobile and desktop. Developed responsive marketing email templates using custom CSS, HTML, and Django template tags. Optimized the end-to-end customer journey across landing pages, PDPs, cart, and checkout — leveraging Shopify apps for A/B testing. Built backend Shopify solutions including Checkout Extensions and custom apps using React, GraphQL, and Ruby in Shopify Scripts to support tailored storefront and operational functionality.