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. A Senior 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
