Enterprise ERP

SAP Developer

From ABAP Core Data Services (CDS) and RAP to SAP BTP, Fiori/UI5, and OData integrations.

Progression:0%
0 / 7 Milestones Mastered
L1

1. Beginner

SAP ERP ecosystem, SAP S/4HANA architecture, and ABAP basics.

SAP S/4HANA Architecture & Data Dictionary

essential

Tables, structures, transparent tables, data elements, domains, ABAP workbench basics.

Data dictionary (SE11)Internal tables & field symbolsSAP GUI vs Eclipse ADT
L2

2. Foundation

ABAP Object Oriented Programming and Clean ABAP.

ABAP Objects & Core Data Services (CDS)

essential

Classes, interfaces, exception handling, CDS views, annotations, associations.

ABAP ObjectsCDS view entitiesAssociations vs JoinsClean ABAP guidelines
L3

3. Core Skills

ABAP RESTful Application Programming (RAP).

ABAP RESTful Application Programming Model (RAP)

essential

Managed vs unmanaged scenarios, behavior definitions, determinations, validations, actions.

Behavior definition (BDEF)Validations & DeterminationsDraft handlingEML (Entity Manipulation Language)
L4

4. Framework

SAP Business Technology Platform (BTP) & Cloud Application Programming (CAP).

SAP BTP & SAP Cloud SDK (Node.js/Java)

essential

Cloud Foundry environment, CDS schema definition, OData V4 services, destination service.

SAP CAP modelOData V4 protocolsDestination & Connectivity serviceHANA Cloud HDI containers
L5

5. Real Projects

Build an end-to-end custom procurement app with Fiori Elements.

End-to-End Purchase Order Approval App

essential

RAP backend on S/4HANA, OData V4, Fiori Elements List Report & Object Page.

Fiori ElementsList Report / Object PageWorkflow approval integration
L6

6. Advanced

Side-by-side extensibility and SAP Event Mesh.

Side-by-Side Extensibility & Event Mesh

essential

Decoupled cloud extensions, SAP Event Mesh, asynchronous events, Clean Core strategy.

SAP Event MeshClean Core strategyOAuth 2.0 BTP authenticationAPI Management
L7

7. Interview Prep

RAP vs BOPF, performance optimization in SAP HANA, and integration design.

S/4HANA & Modern SAP Interview Defense

essential

Code pushdown techniques, AMDP (ABAP Managed Database Procedures), locking mechanisms (Enqueue).

Code pushdownAMDP vs CDSEnqueue locksClean Core transformation

Hands-on Portfolio Projects for this Roadmap

Complete S/4HANA RAP Sales Order Management Application
Portfolio ReadyGenerate in ProjectForge →
SAP BTP CAP Multi-Tenant Service with HANA Cloud
Portfolio ReadyGenerate in ProjectForge →
SAP Fiori Elements Custom Extension with OData V4
Portfolio ReadyGenerate in ProjectForge →