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# Full Stack Developer

- **Company:** DAN Group GmbH
- **Location:** Siegen, Germany (Remote available)
- **Salary:** €42,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Application Frameworks, HTML5, Cascading Style Sheets (CSS), Command-Line Interface, Databases, Continuous Integration, Payment Systems, PostgreSQL, Node.Js, Conversion Tracking, Shopify, TypeScript, Klaviyo Email and SMS Marketing, Tailwind, Backend, Git, Vue.js, Graphql, Front End Software Development, Webhooks
- **Published:** June 30, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=d65a180236d4c69c

## About the Role

Must-haves

 * Mehrjährige Erfahrung als Full Stack Developer mit nachweisbaren Projekten.
 * Fundierte Shopify-Expertise: Du kennst Liquid, das Theme-System, die Shopify-APIs (REST & GraphQL) sowie App- und Webhook-Logik aus der Praxis.
 * Sicher im Frontend: JavaScript/TypeScript, Vue / Nuxt, HTML, CSS/Tailwind CSS.
 * Sicher im Backend: Node.js/Nitro, Arbeit mit APIs, Datenbanken und Integrationen.
 * Erfahrung mit Git und sauberem, wartbarem Code.
 * Selbstständige, strukturierte Arbeitsweise im Remote-Setup und gute Kommunikation (Deutsch und/oder Englisch).

Nice-to-haves

 * Erfahrung mit Shopify Plus und/oder Headless-Commerce-Setups.
 * Erfahrung mit Multi-Language- und Multi-Market-Stores.
 * Berührungspunkte mit Marketing-Tools wie Klaviyo, Meta- und Google-APIs oder Tracking-Setups.
 * Interesse an Automatisierung, KI-gestützten Workflows und sauberer Daten-Infrastruktur.

Unser Tech Stack

## Description

* Weiterentwicklung unserer Shopify-Stores für Medicross und Vitamino - inklusive Theme-Entwicklung (Liquid), Custom Sections und Performance-Optimierung.
 * Anbindung & Entwicklung von Shopify-Apps, Webhooks und API-Integrationen (z. B. Klaviyo, Payment-Provider, Tracking, ERP/Fulfillment).
 * Full-Stack-Umsetzung über Frontend und Backend hinweg: von der UI-Komponente bis zur Serverless-Function oder dem Daten-Endpoint.
 * Betreuung von Multi-Market- und Multi-Language-Setups (u. a. DE, EN, ES, IT, PL) - inklusive sauberer Pflege aller Sprachversionen.
 * Optimierung von Page Speed, Core Web Vitals, Conversion-Tracking und technischem SEO in enger Abstimmung mit dem Marketing-Team.
 * Automatisierung wiederkehrender Prozesse über Skripte, APIs und Automatisierungen, damit das Team schneller arbeiten kann.
 * Enge Abstimmung mit den Teams beider Brands: Du setzt Business-Anforderungen in saubere, wartbare technische Lösungen um., So sieht das technische Umfeld aus, in dem Du arbeiten wirst:

E-Commerce

Shopify (Plus), Liquid, Shopify CLI, Theme- & App-Entwicklung, Headless-Commerce

Frontend

JavaScript/TypeScript, Vue / Nuxt, HTML5, Tailwind CSS

Backend

Node.js/Nitro, REST & GraphQL APIs, Webhooks, Serverless Functions

Daten & Infra

Supabase (Postgres), Coolify, Git, CI/CD

Integrationen

Klaviyo, Meta/Google APIs, Payment-Provider, ERP-/Tracking-Anbindungen


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