Full-Stack Shopify Developer – A/B Testing, CRO

NATURTREU

. Further develop the Shopify Plus store, from the frontend theme to Shopify Functions, custom apps, and third-party system integrations .

Posted 9/24/2026full-timeRemote • GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Shopify Plus development, including theme development with Liquid, custom app creation using Node.js and TypeScript, and integration of third-party systems. Proficient in implementing performance optimizations and A/B testing strategies while ensuring high-quality code and clean data management.

Highest-signal resume keywords

Shopify Plus DevelopmentLiquid Theme DevelopmentNode.js/TypeScriptA/B Testing ImplementationFluent German

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptHTML5CSS3 (SCSS)Shopify FunctionsGraphQL APIREST APIData ModelingGitCI/CDAI-Assisted Coding

Soft Skills

Attention to DetailCommitment to QualityHands-On Mindset

Tools & Technologies

Shopify CLIKameleoonGA4BigQueryRemix

Industry Keywords

E-CommerceCROCore Web VitalsCustom AppsEvent-Driven Workflows

Tech Stack

Tools & technologies

BigQueryERPGraphQLJavaScriptNode.jsReactSCSSTypeScript

About the role

Key responsibilities & impact

Further develop the Shopify Plus store, from the frontend theme to Shopify Functions, custom apps, and third-party system integrations
Develop and optimize Shopify theme sections, templates, and snippets using Liquid, HTML5, CSS3 (SCSS), and JavaScript
Implement new storefront features and design updates
Ensure performance, stability, fast load times, and strong Core Web Vitals while preventing layout shifts
Develop Shopify Functions and model data structures using Metafields and Metaobjects
Design, develop, and operate custom apps with Node.js/TypeScript, Remix, and Shopify CLI
Integrate ERP, CRM, and marketing systems via the GraphQL Admin API, webhooks, and event-driven workflows
Ensure clean data transfers to GA4 and BigQuery and support event and tracking setup
Technically implement A/B tests in Kameleoon, including goal and event setup as well as browser and device QA
Integrate successful test variants into the standard codebase and build reusable components
Further develop the testing infrastructure together with the CRO Lead
Use AI tools for code generation, code review, debugging, and documentation
Contribute to agile processes using Git, pull requests, code reviews, CI/CD, and traceable documentation

Requirements

What you’ll need

Several years of experience in Shopify/Shopify Plus development, particularly theme development with Liquid
Advanced knowledge of JavaScript/TypeScript (ES6+), HTML5, and CSS3 (SCSS)
Solid backend fundamentals: Node.js, REST/GraphQL APIs, webhooks, and data modeling
Proficiency with Git, code reviews, and CI/CD
Experience with AI-assisted coding
Attention to detail, a strong commitment to quality, and a hands-on mindset
Fluent German
Permanent residence in Germany required
Experience with Shopify Functions, custom apps (Remix, Shopify CLI), and Checkout UI Extensions is a plus or can be developed at NATURTREU
Experience with A/B testing tools (Kameleoon, VWO, Optimizely) and a basic understanding of CRO are a plus
Experience with React, GA4/data layers, and Core Web Vitals is a plus

Benefits

Comp & perks

100% remote work within Germany
Up to 90 days of mobile work per year from another EU country
Flexible working hours
30 days of annual leave
Company pension plan based on ETFs
Access to professional mental health coaching, sessions, and content through OpenUp
Employee discount on NATURTREU products
Summer and Christmas parties
Opportunities for professional and personal development