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I am a Senior Shopify Developer focused not just on writing code, but on building strong, transparent, and trust-based partnerships with clients. I work extensively with Shopify and Shopify Plus, focusing on building custom themes and developing Shopify apps tailored to business needs. I also help clients improve their stores through integrations, CRO, SEO improvements, Checkout UI enhancements, and custom app development. Whether it's strategy, development, optimization, or problem solving within Shopify or Shopify Plus—I'm here to help across the entire eCommerce ecosystem.…I am a Senior Shopify Developer focused not just on writing code, but on building strong, transparent, and trust-based partnerships with clients. I work extensively with Shopify and Shopify Plus, focusing on building custom themes and developing Shopify apps tailored to business needs. I also help clients improve their stores through integrations, CRO, SEO improvements, Checkout UI enhancements, and custom app development. Whether it's strategy, development, optimization, or problem solving within Shopify or Shopify Plus—I'm here to help across the entire eCommerce ecosystem.

Luis Hanah

Web Developer, Full Stack Developer, Back-End Developer, +6

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I am a Senior Shopify Developer focused not just on writing code, but on building strong, transparent, and trust-based partnerships with clients. I work extensively with Shopify and Shopify Plus, focusing on building custom themes and developing Shopify apps tailored to business needs. I also help clients improve their stores through integrations, CRO, SEO improvements, Checkout UI enhancements, and custom app development. Whether it's strategy, development, optimization, or problem solving within Shopify or Shopify Plus—I'm here to help across the entire eCommerce ecosystem.…I am a Senior Shopify Developer focused not just on writing code, but on building strong, transparent, and trust-based partnerships with clients. I work extensively with Shopify and Shopify Plus, focusing on building custom themes and developing Shopify apps tailored to business needs. I also help clients improve their stores through integrations, CRO, SEO improvements, Checkout UI enhancements, and custom app development. Whether it's strategy, development, optimization, or problem solving within Shopify or Shopify Plus—I'm here to help across the entire eCommerce ecosystem.

Available to hire

I am a Senior Shopify Developer focused not just on writing code, but on building strong, transparent, and trust-based partnerships with clients. I work extensively with Shopify and Shopify Plus, focusing on building custom themes and developing Shopify apps tailored to business needs. I also help clients improve their stores through integrations, CRO, SEO improvements, Checkout UI enhancements, and custom app development.

Whether it’s strategy, development, optimization, or problem solving within Shopify or Shopify Plus—I’m here to help across the entire eCommerce ecosystem.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

French

Intermediate

Spanish; Castilian

Intermediate

Japanese

Advanced

Work Experience

Shopify Lead Developer at Electric Eye

May 20, 2024 - April 20, 2026

Led the development team and managed the development progress with other non-technical teams. Implemented CRO best practices with A/B tests to increase AOV and revenue. Implemented Google Analytics support with GTM & GA4, and Hotjar; built and optimized the checkout workflow. Managed the store’s operations including product listings, pricing, inventory and promotions; conducted A/B tests on product and landing pages and checkout flows to optimize customer journeys; oversaw integrations with third-party tools and apps including payment gateways, shipping software, CRM and analytics systems.

Web Developer at Web Jump

February 20, 2021 - March 20, 2022

Gained hands-on experience with Git, GitHub, REST APIs and modern development workflows while working on multiple projects. Assisted in building and maintaining responsive websites using HTML, CSS, JavaScript and Node.js.

SEO Specialist at dotSource

April 20, 2022 - February 20, 2024

Managed the online store operation including product listing, pricing, inventory and promotions. Conducted A/B tests on product pages, landing pages and checkout flows to optimize the customer journey and reduce cart abandonment. Coordinated integrations with third-party tools and apps including payment gateways, shipping software, CRM and analytics systems.

Lead Developer at Electric Eye

May 20, 2024 - April 20, 2026

Lead the development team and manage the development progress with other non-technical teams. Implement CRO best practices with A/B testing, increasing AOV, RPV. Implement Google Analytics support with GTM & GA4, Hotjar, Elevar. Build and optimize the checkout workflow and manage the whole store workflow.

Shopify Developer at Freelance

January 1, 2021 - Present

Built and customized Shopify stores using Liquid, HTML, CSS, and JavaScript. Collaborated with local brands like Misakido (pastry) and Matsuzushi Hon-ten (sushi) to develop branded storefronts. Increased client sales with enhanced cart design and optimized product pages. Implemented mobile-first design and accessibility standards.

Web Design Intern at Osaka Institute of Technology

April 1, 2020 - Present

Led a student project to create a mock ecommerce store. Designed wireframes and user flows in Figma to improve browsing UX. Integrated Shopify themes with custom styling and minor app extensions. Assisted in responsive web design using modern CSS techniques.

UX Research Assistant at University Project Lab

June 1, 2019 - Present

Conducted usability tests and A/B experiments for mock online stores. Collected feedback from student users to improve product filtering and navigation. Contributed to a thesis project on ecommerce behavior in rural Japan. Analyzed results and presented insights to faculty and peers.

Shopify Lead Developer at Electronic Eye

May 20, 2024 - April 20, 2026

Lead the development team and manage the development progress with other non-technical teams. Implement CRO best practice with A/B tests, increasing AOV, RVP. Implement Google Analytics support with GTM & GA4, Hotjar, Elevar. Build and optimize the Checkout Workflow and manage the whole Store workflow. Ecommerce Manager & CRO Specialist. Improve AOV, RPV, and conversion rate by running A/B tests and CRO experiments. Manage integration with third-party tools and apps including payment gateways, shipping software, CRM and analytics systems.