We are seeking an experienced and skilled Senior Oracle EBS Developer to design, build, and support complex technical solutions within our Oracle E-Business Suite (R12) environment. In this role, you will take ownership of advanced development tasks, including custom API creation, batch concurrent processes, and integrations across core financial and supply chain modules. You will work closely with functional analysts and cross-functional teams in an Agile/Scrum environment to deliver scalable, high-performance ERP solutions.ResponsibilitiesDesign, develop, and optimize complex Oracle APIs, custom packages, and batch concurrent processes in Oracle EBS R12Provide deep technical knowledge and support across core Oracle modules, including Order to Cash (O2C), Accounts Receivables (AR), Accounts Payable (AP), Order Management (OM), and InventoryWrite high-performance PL/SQL code and database objectsUtilize tools such as SQL Developer, GitHub for version control, and Jira/Confluence for tracking and collaboration within an Agile/Scrum frameworkPartner with business analysts, functional leads, and cross-functional teams to translate business requirements into robust technical specificationsCreate clear technical documentation and participate in peer code reviews to ensure quality and adherence to best practicesContribute to modernizations or extensions using Oracle APEX where applicable (desirable)RequirementsMinimum of 5 years of overall experience as an Oracle Applications developer, with at least 3 years specifically focused on Oracle R12Proven hands-on experience participating in at least 1 full-cycle Oracle ERP implementation (end-to-end)Expert-level PL/SQL coding and Oracle API development skillsProficient with SQL Developer, GitHub, Jira, Confluence, and working in a fast-paced Scrum/Agile environmentExcellent communication skills with a proven ability to collaborate effectively across technical and functional teamsProficiency in English at an Upper-Intermediate level (B2) or higherNice to haveExperience with Oracle Forms developmentDevelopment experience in Oracle APEXWe 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.