integration engineer for enterprise middleware migration

EPAM's strategic partnership supports a complex business separation and standalone migration program involving 600 applications across On-Premise, SaaS/Subscription, and Lab & OT environments. The program targets a July 1, 2027 Go-Live and includes approximately 13,154 interface links.

• Rebuild, configure, and re-point legacy interfaces across webMethods, SAP BTP CPI, and Azure API Gateway, following global architecture patterns
• Validate end-to-end message flows with application owners, functional consultants, and the SAP track, including IDoc/ALE, RFC/BAPI, and REST/SOAP APIs
• Use AI-powered integration testing tools, automated schema mapping assistants, and payload validation scripts to accelerate development and identify mapping discrepancies
• Ensure data synchronization between satellite applications and core SAP hubs across migration waves
• Participate in cutover rehearsals, execute delta configuration syncs, and provide operational support during the synchronized SAP-clock cutover weekend
• Investigate and resolve integration errors, message delivery failures, and connectivity bottlenecks during SIT, UAT, and hypercare
• Collaborate with business application owners to align integration delivery with wave execution milestones

• 3+ Years of hands-on experience in middleware development and enterprise integration
• Practical experience developing and re-pointing integrations using Software AG webMethods, SAP BTP Cloud Integration (CPI), or Azure/AWS API Management
• Familiarity with SAP integration mechanisms (IDoc, ALE, RFC) and messaging protocols (BAPI, OData)
• Proficiency in REST, SOAP, SFTP, and AS2
• Expertise in AI-assisted code/mapping refactoring tools, automated message validation scripts, and intelligent integration monitoring platforms
• Strong skills in end-to-end message flow testing and payload validation, and collaboration with business application owners
• Ability to execute deployment runbooks and support high-stakes cutover weekends under strict maintenance windows
• English proficiency at Upper-Intermediate level (B2) or higher
• Будет плюсом: experience with complex M&A IT separation or TSA exit integration programs, familiarity with Ardoq integration inventories or automated CI/CD deployment pipelines for middleware artifacts, qualifications in webMethods, SAP BTP, or cloud integration architectures

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