Open to opportunities

Julie Kay

@juliekay1

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Full Stack Developer specializing in Shopify and Shopify Plus ecommerce experiences.

Brazil

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What I'm looking for

I’m looking for a role building high-performance ecommerce storefronts, ideally with Shopify/Shopify Plus. I want to work in a remote international team, own storefront development end-to-end, and collaborate closely with design and product to drive SEO and conversions.

I’m a Full Stack Developer with 5+ years building ecommerce platforms and modern web applications. I specialize in Shopify and Shopify Plus development, combining JavaScript, TypeScript, React, Next.js, Node.js, and Liquid to create scalable storefront experiences.

I lead Shopify and Shopify Plus projects end to end—customizing themes with reusable sections/blocks, building advanced product and collection templates, and integrating REST APIs for marketing, subscriptions, analytics, and inventory. I’m focused on performance and outcomes too: Core Web Vitals, SEO, mobile UX, and conversion-oriented frontend improvements—while collaborating across design, product, and engineering in remote international teams.

Experience

Work history, roles, and key accomplishments

Senior Full Stack Engineer

BairesDev

Jan 2025 - Jun 2026 (1 year 5 months)

•Architected and delivered end-to-end features for ecommerce and content platforms using React, Next.js, TypeScript, and Node.js, serving customers and improving user satisfaction
•Streamlined operations by building integrations between internal systems and third-party services
(GraphQL/REST APIs), automating workflows and reducing manual processes by ~20%.

Shopify Liquid Shopify Sections JavaScript TypeScript REST APIs SEO Optimization HTML5 CSS

Full Stack Developer

Storyblok

Apr 2022 - Dec 2024 (2 years 8 months)

Developed ecommerce websites and web applications using JavaScript, TypeScript, React, and Shopify, delivering responsive interfaces with strong performance and accessibility. Customized Shopify storefront functionality and integrated third-party APIs, payment gateways, CRM systems, and marketing platforms.

CSS JavaScript TypeScript React Shopify HTML5 Responsive UI Accessibility Payment Gateways

Full Stack Developer

SZ Soluções

Mar 2020 - Mar 2022 (2 years)

Developed and maintained responsive websites and web application features using HTML, CSS, JavaScript, and PHP-based systems. Implemented UI enhancements and bug fixes through testing, debugging, deployment, and ongoing maintenance for internal tools and client-facing applications.

CSS Responsive Design HTML5 JavaScript PHP Web Application Development Debugging Deployment Maintenance

Education

Degrees, certifications, and relevant coursework

UniSENAI Joinville

Higher Technological Degree, Systems Analysis & Development

2017 - 2019

Grade: sdf

Activities and societies: Node.js, HTML5, CSS3/SCSS; responsive design; SEO optimization; performance optimization; CRO.

Completed a technology degree in systems analysis at SENAI College of Technology in Joinville, Brazil, covering Node.js and web development topics such as HTML5 and CSS3/SCSS, plus responsive design, SEO, performance optimization, and CRO.