Erick Kagai

Shopify & Shopify Plus Themes Developer

Open to work

Contact

About

With over 10 years of experience as a Shopify and Shopify Plus theme developer, Erick specializes in transforming design concepts from Figma and Photoshop into pixel-perfect, high-converting online stores. Erick has a proven track record of delivering complex theme customizations that exceed client expectations, translating requirements into on-time, budget-conscious results.

Erick’s expertise spans the full Shopify development stack, from frontend (HTML, CSS, JavaScript) to backend (Shopify Liquid, JSON) and extends to tools such as GIT, Gulp, Grunt, Webpack, and APIs like REST and GraphQL. Erick is well-versed in collaboration tools including Trello, Slack, Asana, Zoho Projects, and ClickUp, and leverage AI tools like GitHub CoPilot and Claude AI to optimize development workflows.

In addition to theme development, Erick actively supports marketing teams with Conversion Rate Optimization (CRO) and A/B testing, customizing themes to meet specific experiment criteria, ensuring the highest performance and user experience.

Erick’s portfolio includes innovative projects such as a Virtual Try-On App for eyewear, a Custom Bundle Builder to enhance shopping experiences, and a dynamic pricing calculator for customized products. Erick is dedicated to creating exceptional online shopping experiences, fostering successful partnerships, and continuously exploring new technologies to stay at the forefront of Shopify development.

Driven by core values of honesty, humility, and care, Erick is committed to delivering exceptional results and building meaningful client relationships.

Language Fluency

  • English

Services

Primary service: Theme Customisations

    Other Services

  • Theme development
  • Consulting
  • DNS and email
  • Speed Optimization

Skills and Technologies

  • Frontend development (HTML, CSS, and Javascript)
  • Liquid
  • React

Skills and Technologies Notes

  • Languages: HTML5, CSS3, JavaScript, Liquid, PHP
  • Storage: MySQL, Local Storage, IndexedDB
  • Frameworks: Bootstrap
  • Platforms:  Shopify, WordPress, Joomla, Drupal, Ghost
  • APIs: GraphQL, REST
  • Paradigms: On-Page Search Engine Optimization (SEO)
  • Tools: GIT, Webpack, NPM, Grunt, Gulp.js, Adobe Photoshop, Trello, Slack, Figma, Asana, Click Up

Portfolio References

Kid's Books Subscription Box

A custom subscription service using PayWhirl and Klaviyo

Store: Little Book League

Key Functionality:
  • Multi-Step Form: Developed a user-friendly form to collect customer information (child's name, birthday), club selection, and subscription preferences (monthly, 6-month, 12-month).
  • Subscription Management: Integrated Paywhirl to manage recurring subscriptions and prepaid plans.
  • Age-Based Clubs: Created three distinct clubs with age-appropriate content, allowing for automatic transitions as children grow.
  • Klaviyo Integration: Integrated Klaviyo for email marketing, enabling targeted campaigns based on child's age and club subscription. This also involved creating of PayWhirl workflows.
  • Product Variant Optimization: Transitioned from individual products to a single product with variants for each club, streamlining management and utilizing variant-specific metafields.
  • Order Management Enhancement: Integrated Paywhirl's API to capture birthdate information in merchant notes for efficient order fulfillment and export.
  • Gift Subscription Functionality: Configured prepaid subscription plans for 6-month and 12-month gift options.
  • Enhanced Email Segmentation: Created separate Klaviyo lists for each club variant, allowing for more targeted and relevant email campaigns.

Reviews

Eric was fantastic. He did a thorough job making sure we had what we needed, I will definitely be using him again.

Malique Smith - Tip Beauty

"Super easy to deal with and final project rolled out as discussed. I will go back to Eric for future projects."

Beth Bashford - Sojourn Outdoors

"Eric was very responsive and worked hard to get everything working properly. Thank you."

Rich Hirschinger - Gentle Jaw

Industry Experience

  • Clothing
  • Health and beauty
  • Home and decor
  • Baby and kids
  • Jewelry and accessories