
Senior Full Stack Developer
HeroSoftware GmbH - Shopify Apps
full-time
Posted on:
Location Type: Remote
Location: Germany
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Salary
💰 €50,000 - €80,000 per year
Job Level
About the role
- Design, architecture and development of Shopify apps, plugins and API integrations
- Full-stack development using modern frontend (React, Next.js) and backend (Node.js, Express, TypeScript) technologies
- Integration of third-party systems (ERP, payment, CRM, logistics, etc.) via REST and GraphQL APIs
- Ensuring performance, code quality and scalability
- Implementing responsive and accessible UI components
- Conducting code reviews, testing (unit, integration, E2E) and debugging
- Building and maintaining CI/CD pipelines and technical documentation
Requirements
- Minimum 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)
- Comfortable working with 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 GraphQL API
- Independent, structured and solution-oriented working style
- Enjoys teamwork, technical collaboration and taking responsibility
- Structured, self-directed approach with clear pipeline logic
- Native-level German and good written and spoken English
Benefits
- 30 days vacation + birthday and Christmas off
- Maximum ownership and trust
- Motivated team & high-performance environment
- Flat hierarchies with short decision-making paths
- 100% remote, office available in Mannheim
- Team events & off-sites
- Best-in-class Apple hardware
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
full-stack developmentJavaScriptTypeScriptReactNext.jsNode.jsExpressdatabasesAPI designperformance optimization
Soft Skills
independent working stylestructured approachsolution-orientedteamworktechnical collaborationtaking responsibilityself-directed