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Shopify apps powering 3.000+ merchants
Senior Full Stack Developer, Full-time
Location
Germany
Posted
79 days ago
Salary
€50K - €80K / year
Seniority
Senior
Job Description
Senior Full Stack Developer, Full-time
HeroSoftware GmbH - Shopify Apps
• Planning, architecture and development of Shopify apps, plugins and API integrations • Full-stack development using modern technologies in the frontend (React, Next.js) and backend (Node.js, Express, TypeScript) • Integration of third-party systems (ERP, payment, CRM, logistics, etc.) via REST and GraphQL interfaces • Ensuring performance, code quality and scalability • Implementation of responsive and accessible UI components • Conducting code reviews, testing (unit, integration, E2E) and debugging • Building and maintaining CI/CD pipelines and technical documentation
Job Requirements
- At least 5 years of experience in full-stack development
- Strong knowledge of JavaScript, TypeScript, React, Next.js, Node.js and Express
- Solid experience working with databases (MongoDB, PostgreSQL or MySQL)
- Routine use of Git, CI/CD, Docker and modern DevOps workflows
- Understanding of UX/UI, API design, security (OAuth, JWT, CORS) and performance optimization
- (Optional) Experience with Shopify app development, including Polaris, webhooks, OAuth and the GraphQL API
- Independent, structured and solution-oriented working style
- Enjoys teamwork, technical exchange and taking responsibility
- Structured, autonomous working style with clear pipeline logic
- Native-level German + good English, both spoken and written
Benefits
- 30 days of vacation + your birthday & Christmas off
- Maximum ownership and trust
- Motivated team & high-performance environment
- Flat hierarchies with short decision-making paths
- 100% remote, office in Mannheim optional
- Team events & offsites
- Best Apple hardware
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