Full Stack Developer

KU Europe GmbH

Shopify full-stack developer building and optimizing KU2 Cosmetics’ D2C beauty stores. Integrating apps, APIs, headless setups, analytics, and CRO improvements for global customers.

Posted 8/12/2026full-timeRemote • 🌎 Anywhere in the WorldMid-LevelSenior💰 €2,000 - €3,000 per monthWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in Shopify development, including theme customization, app integration, and performance optimization. Proficient in e-commerce analytics and CRO strategies to enhance online store effectiveness.

Highest-signal resume keywords

Shopify Development ExperienceLiquid, HTML, CSS, JavaScript, JSONShopify APIs and Custom AppsFront-End Performance OptimizationE-Commerce Analytics and CRO Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Shopify DevelopmentLiquidHTMLCSSJavaScriptJSONShopify APIsPerformance OptimizationVersion Control (Git)Basic PHP Knowledge

Soft Skills

Problem-SolvingAttention to DetailExcellent CommunicationCollaborative Work

Tools & Technologies

ShopifyCRO ToolsHeadless Shopify SetupsLaravel Framework

Industry Keywords

E-CommerceSEO Best PracticesResponsive DesignWeb Performance Optimization

Tech Stack

Tools & technologies

JavaScriptLaravelPHP

About the role

Key responsibilities & impact

Develop and customize Shopify stores, including themes and templates
Build, maintain, and integrate custom Shopify apps using Shopify APIs and third-party integrations
Optimize front-end performance, load times, mobile responsiveness, and cross-browser compatibility
Collaborate with designers, marketers, and product teams on features, improvements, and best practices
Troubleshoot and resolve technical issues across the Shopify ecosystem
Stay current with Shopify trends, best practices, apps, and new features
Support headless Shopify setups and advanced configurations when needed
Provide guidance on e-commerce analytics, CRO strategies, and performance tracking

Requirements

What you’ll need

At least 4+ years of hands-on Shopify development experience
Experience with Liquid, HTML, CSS, JavaScript, and JSON
Strong understanding of Shopify APIs, custom apps, integrations, back-end logic, and server-side workflows within Shopify
Strong front-end Shopify development skills, including theme customization, responsive design, and performance optimization
Experience with version control systems such as Git
Basic knowledge of PHP and the Laravel framework
Familiarity with e-commerce analytics and CRO tools
Familiarity with headless Shopify setups
Knowledge of SEO best practices, web performance optimization, and responsive design
Strong problem-solving skills and attention to detail
Excellent communication skills and ability to work collaboratively
Full-time commitment of 40 hours per week
Independent contractor engagement exclusive to the company; no work with other companies during the engagement

Benefits

Comp & perks

100% Remote – work from anywhere
Opportunity to work in a dynamic, fast-growing international company
Long-term position with room for growth