SAP CPI Integration & Groovy Scripting

@chesslover

Hello there, I'm a senior Apache Groovy / Apache Grails developer with over five (5) years of Groovy experience, out of a total of over 20 years experience as a JVM developer (Java, Scala, Kotlin). For reference, please see my Groovy project here in Freelancer: https://www.freelancer.com/projects/software-architecture/Part-time-Java-Groovy-developer My expert Groovy stack includes: - Apache Grails framework - Micronaut Groovy framework - Groovy Server Pages (GSP), including GSP taglibs and GSP Sitemesh - Grails GORM - Spock Test Framework (mock, stub, and GroovySpy) I also have experience with SAP BAPI integrations using SOAP / WSDL. I have also used numerous API technologies and best practices: - RESTful JSON: Hypermedia REST and Reactive REST - SOAP / WSDL - GraphQL - gRPC + protobuf - Webhooks - JSON-RPC - API patterns such as API Gateway and BFF ("Backends for Frontends" pattern) - API-first development with Swagger / OpenAPI - API security: JWT, OpenID Connect, OAuth, SAML, PASETO Thank you for reviewing my proposal. Best regards, Valentino

@Appworldz

I’ve delivered complex iFlows on SAP Cloud Platform Integration with Groovy-heavy mappings, REST/SOAP, IDoc/RFC, and secure OAuth setups. Your rate is fair; I can work at ₹2,500/hr, 50–80 hrs (2–3 weeks) for clean, scalable integrations + docs + test packs. You’ll get modular iFlows, externalized configs, and easy monitoring/extension. I focus on reliability, performance, and maintainability. One question: how many interfaces and what message volume/latency targets should I design for?

@rahulb058

As an adept Full-Stack Developer and seasoned Product Manager, I've successfully executed various complex API integrations similar to your project scope, including REST API and SAP ERP system. Combining my technical know-how with my strategic leadership, I assure you that I can design and build well-structured iFlows for seamless integration in your SAP landscape. My expertise with the MERN stack, Python and Groovy scripting enables me to handle the complexities of transforming and exchanging both transactional and master data efficiently.

@amitkstaiping

Hello, I can support you in designing and building **robust, scalable SAP CPI iFlows** that ensure reliable, real-time integration between your SAP landscape, on-premise ERP, and cloud services. With 15+ years of SAP technical experience and hands-on expertise in **SAP CPI (Integration Suite), ABAP, and system integrations**, I focus on delivering integrations that are not just functional, but **maintainable, monitorable, and future-proof**. --- **1. Integration Design & Architecture** * Design modular, well-structured iFlows with clear separation of concerns (sender, processing, receiver) * Ensure flows are easy to monitor, debug, and extend **2. Data Handling & Transformations** * Implement efficient mappings using: * Message Mapping * Develop **custom Groovy scripts** for: * Complex transformations * Payload manipulation * Dynamic header handling * Ensure clean, readable, and fully documented scripts **3. Connectivity & Adapters** * Configure and integrate using: * REST and SOAP adapters * IDoc / RFC adapters (for ERP integration where required) * Ensure stable and secure communication across systems **4. Security Configuration** * Implement OAuth and certificate-based authentication * Clearly document setup steps for Basis team * Ensure compliance with secure integration practices Looking forward to collaborating with you. Best regards, Amit Kumar Srivastav

@whilliamc

Hello! I’m an experienced SAP CPI developer with a strong track record of designing and delivering complex iFlows connecting SAP landscapes to on-premise ERP and cloud services. I can create well-structured, maintainable iFlows that handle transactional and master data in real-time, using Groovy scripts alongside standard mapping steps, content modifiers, and externalized parameters for easy future adjustments. I will ensure secure integration via certificates and OAuth tokens, and support REST, SOAP, RFC, or IDoc adapters as needed. Deliverables include deploy-ready iFlows, fully commented Groovy scripts, setup/operations guides, and unit test evidence or Postman collections. My focus is reliability, scalability, and clean documentation so your functional and Basis teams can operate and extend the integrations smoothly. I’ve completed similar projects integrating SAP ERP with multiple cloud services—happy to provide examples.

@edwardj744

Hello, As an experienced backend developer, I'm well-versed in API integration, essential for the kind of seamless SAP CPI integration your project demands. My skill set centred around Python, JavaScript, and ASP.NET aligns perfectly with the tasks you've outlined. Python, akin to Groovy scripting, and JavaScript will prove beneficial while handling complex mappings and custom header or payload manipulation within CPI. Additionally, my knowledge of REST APIs, combined with your need for data exchange, can guarantee real-time (or near real-time) communication between your SAP landscape, on-premise ERP system, and various cloud services. Moreover, I profoundly understand the essence of clear documentation, readable code, and long-term maintainability, values that resonate well with your requirement. Given this, you can anticipate a concise setup and operations guide from me post-project completion. This guide will facilitate easy understanding of the implemented integrations by your Basis team. Overall, as a developer with a strong eye for clean architecture and maintainable code coupled with extensive practice in API integration within backend systems, I'm confident I can meet the demands of this project effectively. Let's work together to design dependable iFlows ensuring smooth data exchange between your systems while providing ample space for future enhancements! Thanks!

@ProtolearnS

Hi, I'm a SAP CPI developer at Protolearn and this scope is exactly what I do. I've built production iFlows connecting SAP ERP with cloud platforms — REST/SOAP endpoints, RFC/IDoc adapters on the ERP side, real-time and near-real-time, transactional and master data. My Groovy scripts handle dynamic payload restructuring, custom header injection, and conditional routing, fully commented and built for your team to maintain independently. Externalized parameters ensure your functional team adjusts values without redeployment. OAuth tokens and certificates wired through Credential Store, fully documented for your Basis team. On your acceptance criteria — I've met this before. In a recent SAP ECC to cloud WMS integration, I achieved zero-error delivery and sub-3-second response times by implementing JMS async decoupling where API limits applied, stripping redundant payload nodes in Groovy before hitting target endpoints, and using splitter-gather patterns for master data batching. Every interface cleared sandbox QA validated against Postman collections I built specifically for that engagement, same rigour here. Deliverables: tested iFlows ready for transport, fully commented Groovy scripts, setup and operations guide, and Postman collections with end-to-end test evidence. Happy to share more on a quick call.

@geethasekar1995

I am an experienced Integration Developer specializing in SAP Cloud Platform Integration (CPI) and Microsoft .NET technologies. I design and implement secure, scalable integrations between SAP systems and external applications, enabling seamless data flow across enterprise platforms. **SAP Integration** * SAP Cloud Platform Integration (CPI) * iFlows design and development * Message Mapping, Groovy scripting * API Management and Integration Suite * S/4HANA, SuccessFactors, Ariba integrations * IDoc, OData, SOAP, REST adapters **.NET Development** * ASP.NET Core Web API development * Microservices architecture * Entity Framework / Dapper * Authentication (JWT, OAuth2) * Windows Services & Background Jobs * REST API integration with SAP CPI #### Key Capabilities * Build end-to-end integrations between SAP and external systems * Develop middleware APIs using ASP.NET Core * Transform and map complex business data formats (XML, JSON) * Implement secure communication (HTTPS, OAuth, certificates) #### Typical Use Cases * SAP S/4HANA ↔ .NET Application Integration * Third-party API ↔ SAP via CPI * Data synchronization between ERP and custom apps * Workflow automation using CPI + .NET services * Legacy system modernization using API layer #### Tools & Technologies * SAP CPI (Integration Suite) * Visual Studio / VS Code * Postman / Swagger * SQL Server / PostgreSQL * Git / Azure DevOps