Jeremiah Zimmerman

• Analyzed, designed, developed, and maintained REST and SOAP API integrations, middleware services, and data transformations to support secure, reliable communication between enterprise applications in support of mission-critical logistics and supply chain operations
• Reviewed interface requirements for application, network, and database connectivity.
• Coordinated system integration efforts for DLA clients and internal teams.
• Configured integration workflows across service platforms and client environments.
• Evaluated customer requirements and created solutions to meet their needs in a timely manner.
• Documented integration procedures, service changes, and technical support steps.
• Tested data transfers and validated system compatibility before deployment.
• Analyzed existing applications and databases to identify areas of improvement for data integration.

Supported computer software integration and enterprise integration efforts delivering end-to-end middleware solutions, API integrations, and enterprise application connectivity for Navy ERP SAP environment.

• Focused on SAP financial systems integration, REST and SOAP web services, EDI and B2B transactions, data transformation, and system interoperability using Software AG webMethods 10.15, including Integration Server, Trading Networks, Universal Messaging, API Gateway, Designer, and Monitor.
• Designed, developed, modernized, and maintained mission-critical interfaces connecting Navy ERP with Department of Defense Treasury and external financial systems.
• Supported migration from dual-middleware environment using SAP PI/PO and Software AG webMethods to consolidated webMethods integration platform.
• Assisted enterprise interface migration, modernization, and standardization across SAP IDoc processing, REST and SOAP API integrations, EDI transactions, message routing, and data transformations.
• Helped streamline enterprise integration architecture and improve interoperability between SAP and external financial systems.
• Led development support for webMethods Flow Services processing inbound and outbound FBWT transactions between Navy ERP and Treasury partners.
• Built data transformations and SAP FI document mappings aligned with USSGL, SFIS, and SLOA financial reporting requirements.
• Led development support for Treasury payment and disbursement interfaces routed through GEX, including ASAP and PAM.
• Developed outbound X12 820 payment order and remittance advice EDI transactions from SAP FI payment data, including SAP IDoc-to-EDI transformations, Trading Networks routing, and GEX acknowledgement processing (ZCADS_ACK).
• Designed, developed, and maintained end-to-end webMethods integration services connecting Navy ERP SAP FI Accounts Receivable with CRS and CIR partners.
• Supported inbound debt referral processing, outbound status updates, data mapping, transaction validation, and interface error handling.
• Supported lead middleware work for SFIS and SLOA integration efforts across SAP Financial Accounting and Funds Management.
• Built and maintained financial interfaces, including APVM and PBIS, supporting standardized financial data exchange and Department of Defense financial compliance requirements.
• Led development for foreign currency and international vendor payment interfaces, including CIHO and International Treasury Services.
• Built and maintained CARS CTDE interface supporting Treasury pay collect process, including payment collection detail XML processing, XSD schema validation, message transformations, and SAP financial system integration.
• Served as primary integration developer for SAP financial invoicing and contract payment interfaces, including EDI X12 810 invoice processing for WAWF, MOCAS contract payment integration with DFAS foreign currency enhancements, and G-Invoicing integration between Navy ERP and Treasury.
• Developed EDI processing services, document mappings, and Trading Networks routing to support financial transaction exchange.
• Supported retirement of legacy One Pay disbursing system and transition of payment processing into Navy ERP.
• Provided integration design support, interface analysis, and system testing to assist migration of legacy financial processes into SAP enterprise environment.
• Served as lead middleware developer for Enterprise Procurement System project.
• Designed and maintained integration services supporting procurement data exchange, enterprise application connectivity, and interoperability between Navy ERP and external procurement systems.
• Served as solution architect for Financial Audit Interface Data Reconciliation SV-6 project.
• Designed and developed integration reporting capabilities, including active interfaces, last run, and reconciliation reporting, supporting financial audit readiness, interface traceability, transaction monitoring, and audit review.

• Designed, developed, tested, and documented programs using an Agile development method, including service as SCRUM Master during several sprints; created and managed stored procedures, packages, and functions using PL-SQL within Oracle databases.
• Supported production of legacy LDS (Logistics Data Systems) application while executing Technical Refresh and enhancements; developed new web applications in C#, JavaScript, jQuery, Web Services, and AJAX on ASP.NET framework with Oracle backend.
• Modified and supported batch programs communicating via MQSeries with other DoD systems; created mappings and transformations using Informatica for sister project (LDW).
• Migrated from Military Standard Systems (MILS) to the Defense Logistics Management System (DLMS) for several programs interfacing with Navy ERP, including the Logistic Support Monitoring System (LSMS) and Pre-Processor Maintenance record layouts.
• Participated in BAE Systems Solutions Oversight Board to streamline software solutions across customer base, reducing duplication of effort.

• Developed .NET API to convert non-DLMS-compliant partner data into DLMS-compliant XML via MQSeries for webMethods processing, utilizing custom .NET classes, XML schemas, and DLMS transaction sets.
• Developed software applications using modern programming languages and frameworks.
• Created test cases and test data for data flows and coordinated API testing with webMethods team to ensure accurate data transformation and mapping.
• Collaborated with cross-functional teams to gather and analyze project requirements.
• Implemented coding best practices to enhance software quality and maintainability.

• Developed .NET web application (C#, JavaScript, AJAX, ASP.NET, SQL Server) for DISA to track vulnerabilities across DoD assets, gathering requirements and creating design specifications and test cases to enhance security oversight.
• Designed and developed software solutions for diverse client needs.
• Collaborated with cross-functional teams to define project requirements and specifications.
• Implemented software testing protocols to ensure product reliability and performance.
• Provided production support and weekly updates across NIPR and SIPR networks, facilitating end-user training to improve user competency and system usage.

• Developed middleware solutions for enterprise applications and services.
• Designed, developed, and supported technical solutions using SAP Business Connector (webMethods) with focus on component/integration testing and EAI administration across development, quality, and production UNIX environments to ensure seamless operations.
• Coordinated EAI activities for Year End processing and designed/implemented solutions for EAI change requests and defects, enhancing system reliability during critical processing periods.
• Integrated various systems to enhance data flow across platforms.
• Collaborated with cross-functional teams to define software requirements.