Backend Java Developer (Ecommerce Platforms)
Work Setting: ONSITE
Location: Philadelphia, PA
Employment Type: Contract-to-Hire
Compensation Range: $70,000 - $90,000 | Commensurate with experience
Role Overview
We are seeking a Backend Java Developer with hands-on experience supporting enterprise ecommerce platforms. This role is focused on backend commerce architecture, including catalog management, pricing, order lifecycle, integrations, and high-volume transactional processing.
This is a specialized backend role—not a general web development position. The ideal candidate will bring practical experience working within large-scale ecommerce environments and a strong understanding of how backend commerce systems operate in production.
You will partner with cross-functional teams to design and enhance scalable backend services, integrate with external systems, and support critical commerce operations in a complex enterprise environment.
Key Responsibilities
- Design, develop, and maintain Java-based backend services supporting ecommerce functionality
- Build and optimize RESTful APIs for catalog, pricing, checkout, and order processing workflows
- Integrate ecommerce platforms with ERP systems, payment gateways, inventory systems, and third-party services
- Support high-volume transactional environments with a focus on performance, scalability, and reliability
- Collaborate with frontend developers and platform teams to ensure seamless end-to-end commerce functionality
- Troubleshoot production issues and contribute to ongoing backend architecture improvements
Required Experience
- Professional experience in backend Java development (2–3+ years)
- Hands-on experience working within enterprise ecommerce platforms such as SAP Commerce (Hybris), Oracle Commerce, WebSphere Commerce, Magento (backend), or custom-built commerce systems
- Strong proficiency with Java and Spring / Spring Boot frameworks
- Experience building RESTful services supporting commerce-related workflows
- Experience working with relational databases and transactional systems
- Solid understanding of ecommerce backend concepts, including: Product and catalog structures; Pricing and promotions; Order lifecycle and checkout flows; Payment processing; Inventory and ERP integrations
- Experience working in production environments within collaborative, team-based settings
Preferred Qualifications
- Experience supporting B2B or high-volume ecommerce platforms
- Exposure to microservices architecture and distributed systems
- Experience with messaging or event-driven architectures
- Background in performance optimization within transactional systems
- Familiarity with cloud-based or hosted commerce platforms
- Experience working in Agile environments
Relocation package not available. C2C not available. Sponsorship not available.
