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

EPAM Systems is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and startups. They have over thirty years of experience in custom software, product, and platform engineering, empowering clients to become AI-Native enterprises.

• Minimum 3 years of experience developing integration solutions using webMethods Integration Server, Designer, and API Gateway.
• Deep knowledge of SAP integration mechanisms, especially RFC/BAPI and IDoc/ALE for financial modules (FI/CO/SD).
• Understanding of e-invoicing message standards and regulatory transmission formats.
• Proven experience building and securing REST and SOAP APIs, and handling XML/JSON payloads.
• Expertise with AI-assisted mapping tools, automated testing scripts, and payload validation platforms.
• English proficiency at Upper-Intermediate level (B2).

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

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