Selected enterprise integration projects delivered using the webMethods software suite.
Recent long-term engagement (~2021–2025)
What: Integration of Oracle HCM payroll extracts with multiple external payroll providers across a global, multi-country payroll landscape.
My role: End-to-end solution design and implementation.
Highlights:
Asynchronous, high-volume processing (100k+ employee records per extract)
Loosely coupled architecture using JMS message queues and triggers
One webMethods package per payroll provider, enabling independent deployment, processing, and failure isolation
Robust error handling, reprocessing, and operational recoverability across payroll runs
Integration patterns optimized for payroll reliability, including file-based, hybrid, and synchronous outbound flows
Technology: webMethods Integration Server, Universal Messaging, XSD/XML/XSLT, My webMethods Server, Splunk, Active Transfer, various outbound formats
What: Integration between Oracle Taleo and Oracle Human Capital Management (HCM) Cloud to streamline the end-to-end recruitment-to-hire process.
My role: End-to-end solution design and implementation.
Highlights:
Reliable synchronization of candidate and hiring data between recruitment and the Oracle HCM
Validation and error-handling mechanisms to ensure data consistency across systems
Integration designed for operational supportability and controlled failure handling
Technology: webMethods Integration Server, Universal Messaging, My webMethods Server, Splunk, XSD, XML
What: Real-time integration of Salesforce PushTopic events with downstream back-end systems using the Salesforce Streaming API.
My role: Solution design and implementation.
Highlights:
Event-driven integration enabling near real-time propagation of business events
Back-end API designed to seamlessly handle inserts and updates of business objects
Reliable delivery, monitoring, and recoverability to support operational stability
Technology: webMethods Integration Server, Universal Messaging, My webMethods Server, Salesforce Adapter, Salesforce Streaming API, JSON, JSON schema
What: Design and implementation of a fulfillment API exposing warehouse management and order processing capabilities via a unified REST interface.
My role: Lead Developer
Highlights:
Implemented 20+ REST operations supporting end-to-end order processing workflows
Designed and built API logic using webMethods flow language
Integrated warehouse management systems into a simplified service layer
Developed automated integration tests using REST Assured to validate response correctness and JSON schema compliance
Technology: webMethods Integration Server, REST, JSON, JSON Schema, REST Assured
What: Design and implementation of a unified public API layer exposing enterprise functionality from multiple back-end systems across the EU, US, and Asia regions.
My role: Senior Software Engineer responsible for API implementation and cross-system integration.
Highlights:
Consolidated regionally distributed enterprise systems into a unified REST API experience
Designed APIs to abstract heterogeneous back-end silos behind consistent contracts
Ensured scalability and reliability across geographically distributed integrations
Developed automated integration tests using REST Assured to validate response correctness and JSON schema compliance
Technology: Spring Boot, REST APIs, JSON, JSON Schema, REST Assured, Jenkins
If you’re looking for a senior integration engineer, feel free to contact me via LinkedIn.