Senior Java Engineer

EPAM Systems; Polska; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Health insurance

Employee stock purchase plan with 15%

Hybrid by design

English classes

Career development programs

Relocation opportunities

Job summary

EPAM Systems is seeking a Senior Java Engineer for a fully remote role, with hybrid options within Poland. You will drive OMS implementation, integrate with eCommerce, ERP, and warehouse systems, and handle complex order lifecycle processes across regions.

Ideal candidates bring strong Java software development, microservices, and API integration experience, plus familiarity with cloud platforms and event-driven architectures.

Qualifications

• Strong Java development experience.
• Experience with REST APIs and system integrations.
• Experience with microservices and distributed systems.
• Solid SQL and relational database knowledge.
• Experience in Agile/Scrum teams.
• Experience with order management, commerce, or other complex transactional 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.

Skills

Java development

REST APIs

Microservices

SQL databases

Agile/Scrum

Order management

System integrations

Distributed systems

Kafka

Cloud (AWS/Azure)

Job description

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.ResponsibilitiesImplement OMS and order lifecycle management featuresIntegrate REST/API-based solutions with eCommerce, warehouse, marketplace, ERP, and other systemsDevelop order fulfillment, inventory, returns, and refund processesAddress regional business and fulfillment requirementsTroubleshoot and resolve integration and production issuesContribute to technical design, code reviews, and continuous improvementRequirementsStrong Java development experienceExperience with REST APIs and system integrationsExperience with microservices and distributed systemsSolid SQL and relational database knowledgeExperience working in Agile/Scrum teamsExperience with order management, commerce, or other complex transactional systemsExperience with Fluent OMS or comparable OMS/order-management platformsNice to haveSalesforce Commerce Cloud (SFCC) integration experienceExperience with warehouse, fulfillment, or logistics integrationsExperience with marketplaces or marketplace integratorsExperience with inventory, order fulfillment, returns, and refund processesExperience with SAP or ERP integrationsExperience with event-driven architecture or messaging (Kafka or similar)Cloud experience (AWS or Azure)Experience in international or multi-region eCommerce implementationsWe offerWe 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 exclusivelyEPAM 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.