Eray Kaya
SAP ABAP Developer · Freelance Consultant
Delivering S/4HANA, IDoc/Integration, e-Transformation and ABAP development services to 85+ organizations since 2012.
About Me
13+ Years of SAP ABAP Experience
Since 2012 I have worked as an SAP ABAP developer at A-SAP, BTC-AG, Detaysoft and NTT DATA. From 2025 I provide independent consulting through metamiq.com.
I specialize in S/4HANA migrations, IDoc/RFC integrations, and Turkey-specific e-transformation solutions.
SAP Services
ABAP Development
OOP, CDS, Reports, Dialog, BAdI, Enhancement, Smartforms, RFC, BAPI
IDoc & Integration
IDoc, ALE, Web Service (SOAP/REST), RFC, BAPI, BTE, Batch Input
E-Transformation
E-Invoice, E-Archive, E-Ledger · Turkey-specific legal compliance
S/4HANA Migration
ATC analysis, CDS View, deprecated API cleanup, EWM enhancements
13+ Years of Experience
Working in SAP ABAP since 2012, across leading consulting firms and large enterprise projects. References available upon request.
85+
Organizations
13+
Years ABAP
5
Companies
Need Support for Your SAP Project?
Free initial consultation — I respond within 24 hours.