API & Integration Developer

Job Summary: The API & Integration Developer must be skilled in Oracle SOA Suite and Oracle Service Bus (OSB) to build and maintain the integrations enabling data exchange between the GO.gov/SAP Concur Travel & Expense system and the BAS Oracle EBS Financials environment. This role focuses on REST APIs (JSON), SOAP/XML processing, secure SFTP integrations, and API gateway authentication (TLS/mTLS, token handling). The developer will accommodate requirements captured in the interface design documentation to ensure reliable, secure, and accurate delivery of travel and financial transactions to Oracle EBS. Key Responsibilities: Build and maintain integrations using Oracle SOA Suite and Oracle Service Bus. Develop and maintain REST/JSON integrations for real-time financial transactions, coordinating integration requirements with architects and SMEs to ensure compliance with federal travel and financial standards. Transform JSON/XML payloads into BAS-ready formats following interface design data mappings. Implement SFTP batch interfaces aligned with GSA s OM-4 FM Standard for Travel & Expense integrations. Build secure API gateway logic including authentication, token exchange, TLS/mTLS transport, and error handling. Qualifications: Proven experience with Oracle SOA Suite and OSB for enterprise integrations. Hands-on experience developing REST APIs, JSON payload transformations, and secure API gateway integrations. Experience working with XML, XSD schemas, SOAP services, and secure SFTP integrations. Ability to translate interface design documents into integration mappings and transformation logic. Preferred experience supporting integrations for federal systems or travel/expense platforms. Desired Skills: Familiarity with Oracle EBS financial integration concepts including LOA structures, obligations, vouchers, and AP invoice processing. Understanding of SOA principles and middleware integration patterns. Experience developing custom interfaces, concurrent programs, and PL/SQL packages in Oracle EBS.