(Senior) FullStack Developer - Ecommerce

As a (Senior) Fullstack Developer - eCommerce & Platforms, you will be responsible for designing and developing modern commerce and platform solutions - from analysis to go-live. You work closely with Solution Architects, QA, design, and product stakeholders and take ownership of technical implementation streams., * Fullstack development of scalable eCommerce & digital platform solutions (frontend + backend).

• Development with a strong focus on Java or PHP in backend-heavy platform environments.
• Implementation and customization of commerce platforms - particularly Shopware (plus other shop systems beneficial).
• Collaboration with Solution Architects to design technical architectures and break down complex requirements.
• Translating business requirements into robust, scalable technical solutions.
• Managing CI/CD workflows (builds, deployments, rollbacks, monitoring).
• Integrating CMS, commerce platforms, ERP/CRM and various APIs into enterprise landscapes.
• Supporting QA during test cycles, deployments and technical analyses.
• Contributing to requirements engineering, documentation and continuous improvement of internal standards.

• 5+ years of hands-on experience in eCommerce or digital platform development.
• Fullstack skillset with strong backend expertise in Java and/or PHP.
• Experience working with eCommerce platforms, ideally Shopware 6 (other shop systems are a plus).
• Confident working with modern frontend frameworks (React, Vue or Angular).
• Experience with cloud platforms (AWS, Azure or GCP) and containerization (Docker, Kubernetes).
• Strong understanding of software architecture patterns, scalable system design and CI/CD pipelines.
• Experience with system integrations (CMS, commerce, ERP/CRM and API design).
• First experience in technical coordination, mentoring or leading substreams is beneficial.
• Strong communication skills and the ability to explain technical concepts to both technical and non-technical stakeholders.
• Very good German language skills (C1+) and excellent English.

Our client is a leading digital consultancy and full-service agency specializing in modern eCommerce platforms, digital products, and scalable enterprise solutions. They combine technology, UX, and strategy to create high-impact digital ecosystems for well-known brands. Their culture is collaborative, hands-on, and shaped by teams working at eye level across all disciplines.