Senior APIs and Integration Engineer

We are seeking a Senior Platform Engineer - Generative AI to manage revenue-generating commercial data flows and deliver specialized technical integration solutions across enterprise commercial platforms.

Responsibilities

• Design, build, and configure enterprise integration flows on Software AG webMethods supporting Sales Orders, Purchase Orders, and Quotations
• Build and maintain secure REST/SOAP APIs connecting external CRM platforms with core enterprise SAP sales hubs
• Configure SAP SD module integration mechanisms, RFCs, and IDoc/ALE pipelines for commercial transactions
• Utilize AI-powered coding assistants and automated unit-testing scripts to validate transformation logic against complex Order-to-Cash functional specifications
• Collaborate with functional consultants, test co-ordinators, and business process owners to rapidly triage, investigate, and resolve SIT and UAT defects
• Participate in migration rehearsals, validate commercial interface re-pointing, and support hypercare stabilization during go-live
• Unit-test configured interfaces against end-to-end Order-to-Cash process flows
• Leverage AI-assisted API refactoring tools and intelligent payload anomaly detection to ensure data fidelity and flawless wave execution

Requirements

• 3+ years of experience in APIs and Integration
• Proficiency in developing REST and SOAP APIs using webMethods Integration Server and API Gateway
• Understanding of Order-to-Cash (O2C) business processes, commercial document flows, and supply chain lifecycle transactions
• Familiarity with SAP Sales and Distribution (SD) modules, IDoc/ALE configurations, and RFC/BAPI mapping
• Experience integrating enterprise CRM platforms, specifically Dynamics 365 APIs, with backend ERP systems
• Experience leveraging AI-assisted mapping tools, automated test scripts, and intelligent payload validation platforms
• English proficiency at B2 level or higher

Nice to have

• Experience working on M&A IT carve-outs, corporate divestitures, or commercial system separation programs
• Familiarity with enterprise integration inventories (Ardoq) and automated CI/CD deployment pipelines
• Certifications in webMethods or cloud integration architectures

We offer

• We gather like-minded people:
• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• We provide growth opportunities:
• Career development programs
• Thought leadership, mentoring, soft skills and well-being programs
• Certification (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• We cover it all:
• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events
• Please, note:
• Benefits listed above are available to employees only
• We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
• We 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.