SAP Senior Developer | ABAP / ABAP OO | S/4 HANA & ECC 6.0

7 / 2021 - 3 / 2022
Development Support for SAP Modules FI/CO, SD, MM, PM, QM, PP & PP/DS (Project Shape)
The tasks include quality assurance in terms of code review and documentation review as part of SAP software development in ABAP / ABAP OO environment and software design within the modules FI/CO, SD, MM, PM, QM, PP & PP/DS. Added QR Code into the Global Invoice Adobe Form for specific company code using Java Script after implementing relevant SAP Notes for SAP standard QR Code printing. Provided technical support of CDS views performance improvement and also debugging support to correct some of the critical issues as part of the preparation of a new quality training client for module Plant Maintenance. ABAP knowledge used: ABAP OO, CDS Views, Enhancement Framework, Clean Code and Adobe Forms.
4 / 2021 - 6 / 2021
ABAP / ABAP OO Development for Module QM (Kankakee Blitz Project)
Developed an RFC function module to improve the loading time of the batch where-used list on the EBR user dashboard instead of using different BAPI function modules. ABAP knowledge used: RFC Function Module and Clean Code.
8 / 2020 - 3 / 2021
ABAP / ABAP OO Developments for Modules FI/CO & MM (Document Compliance Greece e-book)
Technical design, functional & design specification and realization of developments for the modules FI/CO and MM. Several BAdI implementations and enhancement implementations were developed, together with corresponding SAP notes. To update the reference field in the cockpit (EDOC_COCKPIT) with reference field from FI and MM documents, a custom program was developed for better electronic submission of data from taxpayers to my Data platform. ABAP knowledge used: ABAP OO, BAdI, Enhancement Framework, ALV List, FI Substitution User Exit, Validation and Data Dictionary.
4 / 2019 - 7 / 2020
ABAP / ABAP OO Developments for Modules FI/CO(ATR), MM(STP), PM, QM, WM, EWM, PP & PP/DS(PTI) and SD(OTC) (S/4 HANA 1809 Support)
Provided second level support for Incidents and Service Requests from the business department. Correcting and improving the performance of ABAP programs from external developers, which were implemented as part of S/4 HANA 1809 implementation. Responsible for developing new programs like Automatic Mode Priority Updates (PP/DS), Verify Inconsistent Orders (PP/DS), Eurydice Pricing Condition Upload (SD), Packing List Output with Adobe Form as email as well as print (SD). Created a new heuristic in PP/DS module for Schedule Sequence Manually, to plan the planned orders and process orders in a sequential order based on the specified minutes so that if the finish time of an order is close to the resource end time, then next order should be scheduled from the beginning of the next day. Programming for OPAL Label Management (EWM) and also developed a Tray Label print in RFUI (EWM). ABAP knowledge used: ABAP OO, BAPI, BAdI, Enhancement Framework, ALV List, Clean Code and Data Dictionary.
10 / 2018 - 3 / 2019
ABAP / ABAP OO Developments for Modules FI/CO(ATR), MM(STP), PM and PP/DS(PTI) (S/4 HANA Transformation Project)
Developed an inbound interface program to process travel expense reports for various company codes in FB01 (FI/CO). Badi Implementation for comparison and reconciliation of transactional data of the APO Core Interface (CIF) between SAP ERP and SAP APO (PP/DS). Creation of ALV Tree Control program for support and planning of maintenance activities for external technicians and their supervisors (PM). ABAP knowledge used: ABAP OO, BAPI, BAdI and ALV Tree Control.
1 / 2018 - 9 / 2018
ABAP / ABAP OO Developments for Modules PP & PM(PTI) and FI/CO(ATR) (S/4 1610 Support)
Programming of exit routines for validation and substitution. Performance improvement of various complex programs like Workorder Monitoring Report (PM) and Process Order Reservation Report (PP). Created a report to display open sales orders and purchase orders of intercompany sales with negative gross margin (FI/CO). Finding the right SAP OSS Notes for fixing SAP standard errors and implementing the manual activities of SAP Notes. Creation of global Customer Invoice Form using Adobe Live Cycle Designer. ABAP knowledge used: ABAP, ALV Grid, and Adobe Forms.
1 / 2016 - 12 / 2017
ABAP / ABAP OO Developments for Modules FI/CO(ATR), PM, QM & PP(PTI), SD(OTC) and MM(STP) (S/4 HANA Implementation Project)
Lift and shift of old ECC programming to S/4 and made the necessary adjustments to correct the errors as part of removal of some old SAP tables and addition of new tables. Creation of Inbound Interface Program to update the planned orders and purchase requisitions for Integrated Business Planning (IBP). Developed a Maintenance Form using Adobe LiveCycle Designer for module PM. ABAP knowledge used: ABAP / ABAP OO, ALV Grid, and Adobe Forms.