Senior Java Engineer

We are looking for a Senior Java Engineer role with fully remote working mode to drive the implementation and integration of order management system (OMS) capabilities. You’ll drive the implementation of order management functionality, supporting complex integrations with eCommerce, marketplace, warehouse, fulfillment, ERP and other systems. Responsibilities Implement OMS and order lifecycle management features Integrate REST/API-based solutions with eCommerce, warehouse, marketplace, ERP, and other systems Develop order fulfillment, inventory, returns, and refund processes Address regional business and fulfillment requirements Troubleshoot and resolve integration and production issues Contribute to technical design, code reviews, and continuous improvement Requirements Strong Java development experience Experience with REST APIs and system integrations Experience with microservices and distributed systems Solid SQL and relational database knowledge Experience working in Agile/Scrum teams Experience with order management, commerce, or other complex transactional systems Experience with Fluent OMS or comparable OMS/order-management platforms Nice to have Salesforce Commerce Cloud (SFCC) integration experience Experience with warehouse, fulfillment, or logistics integrations Experience with marketplaces or marketplace integrators Experience with inventory, order fulfillment, returns, and refund processes Experience with SAP or ERP integrations Experience with event-driven architecture or messaging (Kafka or similar) Cloud experience (AWS or Azure) Experience in international or multi-region eCommerce implementations We offer We gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.