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. Unlock the potential of remote work in Kazakhstan, giving you the flexibility to work from home or access our offices in Astana, Almaty or Karaganda. 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 connect like-minded people:Delivering innovative solutions to industry leaders, making a global impactEnjoyable working environment, whether it is the vibrant office or the comfort of your own homeOpportunity to work abroad for up to two months per yearRelocation opportunities within our offices in 55+ countriesCorporate and social eventsWe invest in your growth:Leadership development, career advising, soft skills and well-being programsCertifications, including GCP, Azure and AWSUnlimited access to EPAM's internal learning databaseFree English classes with certified teachersDiscounts in local language schools, including online courses for the Kazakh languageWe cover it all:Participation in the Employee Stock Purchase PlanMonetary bonuses for engaging in the referral programMedical & family care packageSix trust days per year (sick leave without a medical certificate)Coverage of psychology sessions of your choiceBenefits package (sports activities, a variety of stores and services)Housing support program: preferential mortgage access via Otbasy Bank partnership 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.