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Shopify Full-Stack Developer

1/31/2026

The Shopify Full-Stack Developer will be responsible for optimizing the technical aspects of ecommerce platforms, including UX/UI design and development, performance tuning, and implementing custom features. They will also conduct QA testing and ensure best practices for SEO and CRO are followed.

Working Hours

40 hours/week

Company Size

1,001-5,000 employees

Language

English

Visa Sponsorship

About The Company

Johnson Health Tech is among the world’s largest and fastest-growing fitness equipment manufacturers and is home to some of the most respected brands in the fitness industry, including Matrix, Vision and Horizon. The company manufactures a wide assortment of fitness equipment for both commercial and residential use, including treadmills, elliptical trainers, exercise bikes, and strength training equipment. Based just outside Madison, Wisconsin, our North American office houses our US business operations, plus global marketing, product design, research and development, and select quality responsibilities. Johnson Fitness & Wellness, our retail store division, has over 100 retail showrooms, and we operate an advanced strength production facility near Milwaukee, with East Coast, Central and West Coast warehouses.

About the Role

Description

Position Overview:

Matrix Home Fitness and Massage Chair Headquarters are industry leaders in premium home fitness and wellness equipment. We design high-performance, high-conversion ecommerce experiences for customers investing in their health—often at the $2k–$10k+ price point.

We’re looking for a Shopify Full-Stack Developer who can own the technical side of these platforms—from performance and UX optimization to custom features and system integrations.

This role is for someone who cares deeply about clean code, fast sites, scalable architecture, and measurable business impact.

Responsibilities:

UX/UI Design & Development:

· Premium product detail pages for high-ticket equipment

· Custom comparison and filtering systems

· Advanced merchandising and bundling tools

· Performance tuning for large catalogs

· AI-powered shopping and support features

· Custom checkout and post-purchase flows

· Internal tools and automations

· Implementing SEO/CRO best practices

· QA testing of ecommerce website

· Image and asset resizing and compression for optimized page speed/performance

Requirements

Education:

· Minimum of four-year degree computer science, information systems or related field OR equivalent experience

Experience:

· 3+ years of Shopify development experience

· Strong proficiency in Shopify Liquid, JavaScreipt (ES6+), HTML5, CSS3, SCSS

· Experience building custom Shopify themes (not just modifying templates)

· Experience with Financing integrations (Affirm, Klarna, etc.)

· Experience with Complex product data structures

· Familiar with Web performance optimization

· SEO and structured data

· Accessibility (WCAG) best practices

· GA4, GTM, and event tracking

· CRO and experimentation experience – a plus

· Heap.io analytics tracking – a plus

Benefits:

We offer an excellent compensation package and team-oriented work environment with growth opportunities. Some of our outstanding benefits include:

· Health & Dental Insurance

· Company paid Life Insurance

· 401(k)

· Paid Time Off benefits

· Product discounts

· Wellness programs

EOE/M/W/Vet/Disability

#ZR

Key Skills

Shopify DevelopmentShopify LiquidJavaScriptHTML5CSS3SCSSCustom Shopify ThemesFinancing IntegrationsWeb Performance OptimizationSEOGA4GTMCROAnalytics TrackingAccessibilityImage Optimization