SAP ABAP Developer – GKV Data Exchange, Framework Contract from 2027

Project overview

For an IT service provider, we are looking for an experienced ABAP developer with experience in the data exchange of statutory health insurance (GKV).

Responsibilities

• Analysis, technical conception, and development in ABAP / ABAP Objects
• Further development and refactoring of existing SAP custom developments (SAP ECC / NetWeaver) with a view to a later migration
• Implementation and maintenance of data exchange and clearing procedures for the GKV market
• Interfaces: EDIFACT, XML, JSON, CSV, FHIR, Webservices, OData, IDoc, File Interfaces
• Tests and quality assurance (ABAP Unit, ATC, Code Inspector), documentation in German

Requirements

Framework Details

Please send us by 10/13/2026

• Min. 5 years of analysis, conception, and development of complex SAP solutions with ABAP / ABAP Objects
• Min. 3 years of modernization, modularization, or refactoring of existing SAP custom developments
• Min. 3 years of technical implementation of data exchange processes
• Min. 2 years of data exchange procedures in the GKV environment (notifications, service providers) including professional and legal framework conditions
• Min. 1 year of XML processing with ABAP, especially Simple Transformations
• SAP ADT/Eclipse, ABAP Test Cockpit, ABAP Unit, Clean Code Guidelines, UML, Unix/Linux
• German at least C1
• Desirable: SAPscript, experience with oscare® or 21c|ng
• Start expected at the beginning of 2027, duration until the end of 2028 with an option to extend
• Call-off via individual orders; capacity approx. 13 person-days per month
• Remote / onsite depending on the individual order (Location Essen)
• Your current CV
• The desired form of cooperation (e.g., freelance, via your own company)
• Your hourly rate
• Two comparable reference projects from the last 3 years (duration min. 12 months) with client, contact person (name, phone, email), period, and brief description; the order value can remain confidential

Project details

• Start: 2027-01
• Duration: 24 Monate
• Remote: hybrid
• Location: Essen, Deutschland, DE
• Languages: German