SAP ABAP Developer with O2C/C2R

Title: SAP ABAP Developer with O2C/C2R

Location: Seattle, WA/Remote

Duration: Full Time/ Permanent

Domain: Manufacturing

Job Description

Must Have Technical/Functional Skills

Strong, Hands On ABAP Development Experience Supporting:

O2C (Order to Cash) SD, Billing, Credit Management, Revenue Recognition

C2R (Close to Report) FI GL, AP, AR, Asset Accounting, Tax

Proven experience working on S/4HANA implementations or conversions supporting O2C and C2R end to end business scenarios.

Roles & Responsibilities

We are looking for an experienced SAP ABAP Developer with mandatory hands on experience in Order to Cash (O2C) and Close to Report (C2R) processes. The candidate will be responsible for end to end ABAP developments in SAP ECC and S/4HANA environments, working closely with functional teams to deliver high quality, scalable SAP solutions.

Key Responsibilities

Design, develop, and enhance ABAP RICEF objects (Reports, Interfaces, Conversions, Enhancements, Forms) for O2C and C2R areas.

Development Experience:

• Classical reports, interactive reports, ALV reports, and OO ALV programs.
• Module pool programming, dialog programming, and custom transaction development where required.
• BADIs, User Exits, Customer Exits, Enhancement Spots, Implicit/Explicit Enhancements.
• BAPIs, RFC-enabled function modules, IDocs, proxy interfaces, and custom APIs.
• Smart Forms, SAPscript, Adobe Forms, and output-related enhancements.
• Custom validations, substitutions, derivations, and business rule-based enhancements.
  
  

Work closely with SD and FI functional consultants to translate O2C and C2R business requirements into technical solutions.

Develop S/4HANA Ready ABAP Objects, Including:

Develop S/4HANA-ready and Clean Core-compliant ABAP solutions by following SAP-recommended extensibility principles.

Responsibilities Include:

• Design solutions that minimize core modifications and reduce technical debt.
• Prefer standard SAP APIs, released CDS Views, BADIs, extension points, and RAP-based services wherever possible.
• Avoid direct modification of SAP standard objects unless explicitly approved through governance.
• Ensure upgrade-safe development aligned with S/4HANA and SAP Clean Core principles.
• Support ATC findings, code inspector checks, security checks, and performance remediation.
• Prepare technical design documents with clear explanation of extensibility approach, impact, dependencies, and fallback design.
  
  

ABAP CDS and Data Modeling

Design, develop, and optimize ABAP Core Data Services CDS Views for transactional, analytical, and integration use cases.

Expected Responsibilities Include:

• Create basic, composite, consumption, and interface CDS Views.
• Develop CDS Views with associations, annotations, parameters, authorization checks, and metadata extensions.
• Use CDS Views for reporting, OData exposure, analytical consumption, Fiori applications, and API enablement.
• Implement CDS access controls using DCL where required.
• Optimize CDS performance by avoiding unnecessary joins, excessive associations, and inefficient filtering.
• Work with AMDP, table functions, and HANA-optimized SQL where required.
• Support CDS-based reporting and S/4HANA embedded analytics.
• Collaborate with security teams on authorization objects, DCL restrictions, and role-based da ta access.
  
  

ABAP RAP and OData Development

Develop modern SAP applications and services using ABAP RESTful Application Programming Model RAP.

Responsibilities Include:

• Design and develop managed and unmanaged RAP business objects.
• Build behavior definitions, behavior implementations, service definitions, and service bindings.
• Develop transactional Fiori-ready OData V4 services using RAP.
• Implement validations, determinations, actions, feature controls, and authorization checks.
• Build draft-enabled applications where required.
• Expose business data and transactional capabilities through clean, reusable APIs.
• Support OData V2/V4 services through SEGW, CDS exposure, and RAP-based service binding.
• Troubleshoot service errors, metadata issues, authorization failures, and performance bottlenecks.
  
  

Workflow Development

Support and enhance SAP workflow solutions for business approval and automation scenarios.

Responsibilities Include:

• Configure and enhance Flexible Workflow in S/4HANA.
• Work with workflow events, tasks, rules, agents, deadlines, escalations, and notifications.
• Implement workflow-related BADIs and custom agent determination logic.
• Support workflow scenarios for sales, finance, approvals, master data, and exception handling.
• Troubleshoot workflow issues using workflow logs, event trace, work item analysis, and related SWW* tables.
• Support email notifications, approval/rejection logic, escalation design, and workflow monitoring.
• Collaborate with business and functional teams to design workflow processes that are auditable, scalable, and supportable.
  
  

Interfaces and Integration

Design, develop, and support SAP inbound and outbound interfaces across ECC, S/4HANA, and external systems.

Responsibilities Include:

• Develop IDoc-based interfaces, including extension segments, user exits, partner profiles, and error handling.
• Build RFC, BAPI, file-based, proxy, SOAP, REST, and OData-based integrations.
• Support middleware integrations using SAP PI/PO, SAP CPI, SAP Integration Suite, or third-party middleware.
• Develop robust interface logging, error handling, reprocessing, and monitoring mechanisms.
• Support EDI scenarios for O2C and finance processes.
• Work with API-based integrations using released SAP APIs and custom OData/RAP services.
• Collaborate with integration teams on mapping, transformation, connectivity, authentication, and monitoring.
• Support interface testing during SIT, UAT, cutover, and production stabilization.
  
  

SAP BTP and Side-by-Side Extensions

Support modern SAP extension development using SAP Business Technology Platform BTP.

Responsibilities Include:

• Design side-by-side extensions aligned with Clean Core principles.
• Work with SAP BTP services such as HTML5 Application Repository, and Business Application Studio.
• Understand event-driven architecture using SAP Event Mesh where applicable.
• Collaborate with enterprise architecture teams to determine whether a requirement should be implemented in-core, on-stack, or side-by-side on BTP.
  
  

SAP Build Work Zone and Fiori/UI Integration

Support user experience and digital workplace requirements using SAP Fiori and SAP Build Work Zone.