Worked on SAP retail solutions for a Germany-based client, focusing on backend development, integrations, and Fiori-based applications. 

• Developed / Maintained ABAP OO-based applications 
• Implemented IDocs for data exchange between SAP systems  
• Designed and maintained Adobe Forms 
• Built OData services using SEGW  
• Created CDS views to support SAP reporting and Fiori apps 
• Developed SAP Fiori/UI5 frontend components (views, controllers, etc.) integrated with backend services  
• Applied Git-based version control (GitHub) and used SAP Business Application Studio for development workflow 
• Participated in debugging, performance tuning and enhancement of existing SAP solutions

• SAP Adobe Forms ? FI/SD/MM Document Development
• SAP Adobe Forms Development & Implementation
• SAP FI Adobe Forms ? Business Document Implementation

Freelancing work on security specialized product for a U.S. based client. 

• Developed ABAP OO-based applications and reports 
• Designed reusable custom frameworks to standardize feature development 
• Implemented structured solutions using design patterns (Factory, Singleton, etc.) 
• Performed cross-system debugging and issue resolution across SAP environments 
• Managed and transported changes using SAP Transport Management System (TMS) 
• Worked with ABAP Workbench tools for development and analysis

Worked full time on security specialized product for a client based in Germany.  

• Creation of new test cases with implementation of existing interfaces 
• Designing of tables and views while respecting the existing DB Model (using foreign keys and cardinality) 
• Designing and creation of frameworks for easy integration of new features 
• Integration of new logic using Object Oriented Programming only 
• Creation of additional transactions with OOP, Classical Screens, Selection Screens, SQL statements, ALV Views 
• Implementation of RFC enabled function modules for cross-system features 
• Coordination of other colleagues while being the story owner sometimes 
• Transports between systems using internal tools 
• Working with the team?s architect for whole product overview 
• Debugging. Cross-platform debugging (JAVA + ABAP), Exception handling 
• Refactoring of old / obsolete code 
• Technical support for the clients of the client (1 week / 5 weeks) 
• Testing in the QA phase before release (1 month / year) 
• Onboarding / Know how transfer for new colleague, UI-reviews, peer reviews 

• ABAP Workbench usage  
• ABAP Debugger Program usage  
• ABAP Types and Data Objects 
• Internal Table Definition and Use  
• SQL Statements Including Update Strategies  
• Basic ABAP Programs and Interface Creation  
• ABAP Dictionary  
• Classical / Selection Screens  
• ABAP Object Oriented Programming  
• ALV Grid Control  
• WebDynpro  
• Enhancements and Modifications