Java Web Developer

Backend Java Developer (Ecommerce Platforms)Work Setting: ONSITELocation: Philadelphia, PAEmployment Type: Contract-to-HireCompensation Range: $70,000 - $90,000 | Commensurate with experienceRole OverviewWe 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 ResponsibilitiesDesign, develop, and maintain Java-based backend services supporting ecommerce functionalityBuild and optimize RESTful APIs for catalog, pricing, checkout, and order processing workflowsIntegrate ecommerce platforms with ERP systems, payment gateways, inventory systems, and third-party servicesSupport high-volume transactional environments with a focus on performance, scalability, and reliabilityCollaborate with frontend developers and platform teams to ensure seamless end-to-end commerce functionalityTroubleshoot production issues and contribute to ongoing backend architecture improvementsRequired ExperienceProfessional 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 systemsStrong proficiency with Java and Spring / Spring Boot frameworksExperience building RESTful services supporting commerce-related workflowsExperience working with relational databases and transactional systemsSolid understanding of ecommerce backend concepts, including: Product and catalog structures; Pricing and promotions; Order lifecycle and checkout flows; Payment processing; Inventory and ERP integrationsExperience working in production environments within collaborative, team-based settingsPreferred QualificationsExperience supporting B2B or high-volume ecommerce platformsExposure to microservices architecture and distributed systemsExperience with messaging or event-driven architecturesBackground in performance optimization within transactional systemsFamiliarity with cloud-based or hosted commerce platformsExperience working in Agile environmentsRelocation package not available. C2C not available. Sponsorship not available.