Senior Interface/Config Engineer - webMethods (Finance/Invoicing)

EPAM is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and startups. With over thirty years of expertise in custom software, product and platform engineering, EPAM empowers clients to become AI-Native enterprises by driving measurable value from innovation and digital investments.

• 3+ years of hands-on experience developing integration solutions using webMethods Integration Server, Designer, and API Gateway
• Deep knowledge of SAP integration mechanisms, specifically RFC/BAPI and IDoc/ALE configuration for financial modules (FI/CO/SD)
• Understanding of e-invoicing message standards, regulatory transmission formats, and B2B document exchange
• Proven experience building and securing REST and SOAP APIs, XML/JSON payloads, and enterprise messaging flows
• Expertise leveraging AI-assisted mapping tools, automated testing scripts, and intelligent payload validation platforms
• English proficiency at Upper-Intermediate level (B2) or higher

Nice to have:

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

• Design, build, and configure integration flows on Software AG webMethods (Integration Server / API Gateway) for finance, billing, and invoicing
• Configure SAP RFC/BAPI and IDoc/ALE interfaces connecting SAP financial hubs with e-invoicing partners and external tax stacks
• Utilize AI-powered mapping assistants and automated unit-testing scripts to validate transformation logic
• Develop and maintain REST and SOAP APIs, XML/JSON transformations, and secure messaging for financial transactions
• Collaborate with functional consultants, test coordinators, and business owners to triage and resolve SIT and UAT defects
• Participate in migration rehearsals, validate financial interface re-pointing, and support hypercare stabilization

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