Heiko Krain
SAP Developer
Experience
Apr 2022 - Jun 2024
2 years 3 months Gütersloh, Germany
SAP Developer
Arvato SE
SAP development, Adobe form development Migration of function group-based Adobe Interactive Forms framework to OO-based Adobe framework for documents in transport/logistics and dunning (FI)
- Adobe Lifecycle Designer 11.0.1 for SAP
- Creation of new forms and error handling of existing forms, function modules, programs, classes, methods
- Smart Forms maintenance
- Document printing, email sending, file storage
- Message control for deliveries, orders, invoices, proforma, transports
- Ticket system: Jira
- Communication: Microsoft Teams
May 2021 - Mar 2022
11 months Koblenz, Germany
SAP Authorization Specialist
Landesamt für Finanzen
SAP authorizations - Support in operational business:
- HCM with structural/context-dependent authorizations
- Troubleshooting/error correction in ongoing operations (ticket, mail, phone)
- User administration (ZBV)
- Authorization management (role maintenance)
- Authorization analysis/adjustment 'Firefighter' concept
- Identification of automation possibilities
- Process documentation/documentation
Nov 2020 - Apr 2021
6 monthsSAP Authorization Specialist
SAP authorizations - Creation of a program system for automated recording and evaluation of authorization accesses (based on SU53) for the assessment of the current authorization concept for authorizations in the classic SAP modules
Nov 2020 - Apr 2021
6 months Potsdam, Germany
SAP Developer
Stadtwerke Potsdam GmbH
Interface program Flat File from HCM OM
- Extensions of data structures
- Adjustments due to new OM customizing
Aug 2020 - Oct 2020
3 months Potsdam, Germany
SAP Developer
Stadtwerke Potsdam GmbH
Interface program Flat File from HCM OM
- Selected data from the organizational management are written to a corresponding file on the application server for daily processing (AD)
Apr 2020 - Aug 2020
5 monthsTrainee
openSAP
Various online trainings:
- Building Applications with SAP Cloud Application Programming Model (with completion)
- SAP Cloud Platform Essentials (Update Q2 2019) (self-study)
- SAP Fiori Overview: Design, Develop and Deploy (with completion)
- ABAP Development for SAP HANA (self-study)
- Introduction to Software Development on SAP HANA (self-study)
- An Introduction to SAP HANA (self-study)
Apr 2016 - Mar 2020
4 years Berlin, Germany
SAP Developer
KPMG AG
Development and administration in SAP user and authorization management and application programming
Support of the Cross Applications Team:
- Support with user administration ZBV - Administration
- Maintenance and extension of the 13-year-old user administration automation software (ABAP, ABAP OO, Web Dynpro)
- SAP-side support for the integration of the IDM system as future replacement of the ZBV
- Programs for integration of Active Directory
- Management of users and business partners in the Solution Manager system
- Training in SAPUI5/OData, prototype of a representative application
Support of the Authorization Team:
- Maintenance and extension of the 13-year-old authorization management automation software (ABAP, ABAP OO, Web Dynpro)
- Authorization troubleshooting and resulting role maintenance (ticket processing) in ERP
- Maintenance/development of existing (CMOD) or new (BadI)
- Development of special helper programs for role maintenance
- Development of a central recording tool for SU53 trace
Support of the HR module support team:
- Extensions in the authorization environment (structural authorization, context solution, BadIs and user exits)
Collaboration in the SAP developer pool: Maintenance and extension of various programs on topics such as:
- HCM/HR - various topics such as vacation balance, wage types etc.
- FI/HCM - CATS internal checks
- SD - order master data
- Preparation for S4/HANA migration (review and adjustment of all customer-owned programs regarding DB selection and performance-critical elements - SPDD/SPAU)
Jul 2015 - Mar 2016
9 months Potsdam, Germany
SAP HCM Developer
Investitionsbank des Landes Brandenburg
- Data creation program and RFC-capable function module for an external interface for hourly rates (Java Connector)
- Special program for calculation and transfer of annual one-time payments
- Adaptation of the loan program for automatic creation of the form via the series print function of the ALV
Jul 2015 - Mar 2016
9 months Wermelskirchen, Germany
SAP Authorization Specialist
KPMG AG Advisory
Support in the authorization environment:
- Development of a solution for automated creation of role menus (mass processing) based on template role, file input or area menus
- Adjustments of the automated installation process of the authorization tool programs for transport capability and name assignment in the customer namespace
Jul 2015 - Mar 2016
9 monthsSAP FI-CA Developer
primacall GmbH
FI-CA:
- Various document interface programs for processing reminders in the return and customer master data environment
- Adaptation of customer programs regarding the introduction of a new external contract account prefix assignment
Summary
EDV-Erfahrung seit 1987 (inklusive Studium seit 1982)
Haupttätigkeit SAP ABAP Entwicklung seit 1990 (R/2) SAP Berechtigung- und Benutzerverwaltung (seit 2013, nur ERP)
Languages
German
Native
English
Advanced
Education
Oct 1982 - Feb 1987