Senior API/Integration Engineer (IBM webMethods)

Integration is only as strong as its weakest link, and the complexity of hybrid and multi-cloud environments across Europe puts that to the test. EPAM’s API and Integration Practice faces the challenge head-on, designing reusable, decoupled and scalable solutions that connect enterprise applications, SaaS platforms and partner ecosystems. ASenior API/Integration Engineer is a remote role across Europe, focused on delivering robust API and integration solutions using IBM webMethods. You bring an architect-like mindset to solving connectivity, event and application integration challenges. The work matters because seamless integration drives business agility and resilience in a changing digital landscape.

Responsibilities

• Work within diverse, geographically distributed teams where people are recognised for their contribution
• Collaborate with Business Analysts, Solution Architects and client stakeholders to understand requirements and shape functional and technical designs
• Support project leadership with solution scoping, estimation, planning and identification of delivery dependencies
• Design, develop, configure, test, deploy and support integration solutions using IBM webMethods
• Build and maintain services, APIs, integrations and orchestration flows using webMethods Integration Server and Designer
• Implement connectivity across enterprise applications, SaaS platforms, databases, files, messaging systems and partner ecosystems
• Develop and support REST and SOAP APIs, reusable services, canonical models, transformations and error-handling frameworks
• Apply engineering best practices, reusable integration patterns, coding standards, peer reviews and comprehensive automated testing
• Troubleshoot complex issues across development, test and production environments, and contribute to root-cause analysis and remediation
• Confidently communicate, lead technical discussions, explain design decisions and proactively manage risks

Requirements

• 5+ years of professional experience in API and enterprise integration engineering
• Strong hands-on experience with IBM webMethods, formerly part of Software AG, including Integration Server and Designer
• Strong experience with at least one core webMethods capability such as API Gateway, Universal Messaging, Trading Networks, B2B integration or Managed File Transfer
• Experience with webMethods in at least one of the following domains: Banking & Treasury, Logistics/3PL EDI, Plant File Transfer/SFTP, CRM/Order-to-Cash or Finance/Invoicing
• Experience administering or operating webMethods environments, including Command Central, monitoring, patching and platform upgrades
• Experience modernising legacy webMethods estates, including version upgrades, containerisation, cloud migration or hybrid integration
• Experience with synchronous and asynchronous integration patterns, messaging and event-based processing
• Practical experience developing Flow services and Java services, working with packages, triggers, schedulers, adapters and document types
• Experience designing and implementing RESTful APIs and SOAP web services, including security, versioning, error handling and lifecycle considerations
• Strong knowledge of XML, JSON, XSD, XPath and XSLT, plus data mapping and transformation techniques

Nice to have

• Experience with cloud services and container platforms such as AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes or OpenShift
• Relevant IBM webMethods certification
• Experience with test automation, observability and secure software supply-chain practice