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Rheinwerk Courses by Dr. Kerem Koseoglu

Dr. Kerem Koseoglu is a freelance SAP software architect who specializes in ABAP programming. He regularly teaches professional training courses for ABAP developers. He has participated in global software development projects in a variety of roles, including lead architect, team lead, developer, technical advisor, instructor, and project manager. He is the author of Design Patterns in ABAP Objects (SAP PRESS), SQL: The Practical Guide (Rheinwerk Computing), Swift: The Practical Guide (Rheinwerk Computing), and several books and articles for technical magazines in Turkey. He has a Ph.D. in organizational behavior.

On Demand 1 Lesson 4.25 Hours

Understand the fundamentals of ABAP unit testing in object-oriented ABAP programming. Get to know the ABAP Unit test framework and learn to code automated unit tests. You’ll see how to execute tests, evaluate results, and more!

 

 

Price: $179  
Live 5 Lessons 20 Hours

SAP Business Workflow isn’t going anywhere—and neither are your classic workflow responsibilities! Whether you’re new to workflow development or sharpening existing skills, this expert-led series covers everything you need to know, from system setup to production administration.

Course Dates: September 14 - October 12, 2026

Price: $845 $499
Early bird pricing until June 29, 2026
   
On Demand 3 Lessons 15 Hours

Programming for today's SAP landscapes requires proficiency in a plethora of modern technologies. In this course, you'll improve your skills in three key areas: object-oriented programming for ABAP (OO-ABAP), core data services (CDS), and ABAP-managed database procedures (AMDP).

 

Price: $507 $449