Heiko Krain
SAP Development, Adobe Form Development
Experience
SAP development, Adobe form development
Arvato SE
- Conversion of a function-group-based Adobe Interactive Forms framework to an OO-based Adobe framework for documents in transport/logistics and dunning (FI)
- Adobe Lifecycle Designer 11.0.1 for SAP
- Creating new and handling errors in existing forms, function modules, programs, classes and methods
- Smart Forms maintenance
- Document printing, email distribution and file archiving
- Message control for deliveries, orders, billing, proforma and transports
- Ticket system: Jira
- Communication: Microsoft Teams
- Migrations of customers into a new SAP framework
- Implementation of incident and change request tickets
- Software: SAP ERP 6.0, SAP_ABA 7.5G, S4CORE 1.05
SAP authorizations
State Finance Office Koblenz
- Support in the operational area for SAP authorizations
- HCM with structural and context-dependent authorizations
- Troubleshooting and error correction in live operation
- User management (ZBV) and authorization management (role maintenance)
- Authorization analysis and adjustment as part of the 'Firefighter' concept
- Identifying automation opportunities
- Process and procedure documentation
- Software: SAP NetWeaver Application Server (AS) 7.30/7.50
SAP authorization developer
Own software
- Development of a program system for automated recording and analysis of authorization accesses (based on SU53)
- Assessment of the current authorization concept for permissions in classic SAP modules
- Software: SAP NetWeaver Application Server (AS) 7.50 ABAP/ABAP OO, Eclipse, CDS
Interface programming
Potsdam Municipal Utilities Ltd.
- Development of an interface program (flat file) from HCM OM
- Extensions of data structures
- Adjustments due to new OM customizing
- Software: SAP NetWeaver Application Server (AS) 7.50 ABAP/ABAP OO
Interface programming
Potsdam Municipal Utilities Ltd.
- Interface program (flat file) from HCM OM
- Selected data from organizational management is written to a corresponding file on the application server for daily processing (AD)
- Software: SAP NetWeaver Application Server (AS) 7.50 ABAP/ABAP OO
Course Participant
openSAP
- Building Applications with SAP Cloud Application Programming Model
- SAP Cloud Platform Essentials (Update Q2 2019)
- SAP Fiori Overview: Design, Develop and Deploy
- ABAP Development for SAP HANA
- Introduction to Software Development on SAP HANA
- An Introduction to SAP HANA
- Software: SAP Cloud Foundry Trial System, SAP NetWeaver Development Studio, SAP Web IDE
IT Service GmbH Employee
KPMG AG Wirtschaftsprüfungsgesellschaft
- Development and administration of SAP user and authorization management and application programming
- Support for ZBV administration and maintenance of user management automation software (ABAP, ABAP OO, Web Dynpro)
- Integration of the IDM system as a replacement for ZBV and development of programs for Active Directory integration
- Management of users and business partners in the Solution Manager system
- Getting started with SAPUI5/OData and creating a prototype for a substitute application
- Troubleshooting authorizations, maintaining roles, and developing helper programs for role maintenance
- Development of a central capture tool for SU53 trace
- Enhancements in the HCM authorization environment (structural authorization, context solution, BAdIs, and user exits)
- Maintenance and enhancement of programs in HCM/HR (leave balances, wage types), FI/HCM (CATS checks), and SD (sales order master data)
- Preparation for the S4/HANA conversion by reviewing and adjusting customer-specific programs (SPDD/SPAU)
- Software: SAP NetWeaver (NW) Application Server (AS) ABAP/ABAP OO
SAP HCM Developer
Investitionsbank des Landes Brandenburg
- Data creation program and RFC-enabled function module for an external interface (Java Connector)
- Special program for calculating and transferring annual one-time payments
- Customization of the loan program to automatically generate forms using the ALV mail merge function
- Software: SAP NetWeaver (NW) Application Server (AS) ABAP/ABAP OO
Authorization Support
KPMG AG Advisory
- Developing a solution for automated creation of role menus (mass processing)
- Adjustments to the automated installation process of the authorization tool programs for transportability
- Naming in the customer namespace
- Software: SAP NetWeaver (NW) Application Server (AS) ABAP/ABAP OO
SAP FI-CA Developer
primacall GmbH
- Development of various document interface programs for processing dunning notices
- Modification of customer programs for the new external contract account prefix assignment
- Software: SAP NetWeaver (NW) Application Server (AS) ABAP/ABAP OO
SAP HCM Developer
Investment Bank of the State of Brandenburg
- Support for LCP/Service Pack updates (SPDD/SPAU)
- HCM-specific developments in organizational plan, payroll tax statements, and applicant management
- Troubleshooting time records and text field output for the authorization infotype in ALV lists
- Anonymizing applicant data and creating applicant statistics
- Software: SAP NetWeaver (NW) Application Server (AS) ABAP/ABAP OO
SAP Basis Developer
KPMG AG Advisory
- Developed a performance-optimized database read program for document and index tables to replace an SQL interface
- Software: SAP NetWeaver (NW) Application Server (AS) ABAP/ABAP OO
SAP FI-CA Developer
primacall GmbH
- Troubleshooting payment batch postings
- Set up a table-driven parser for payment references based on regular expressions
- Custom interface program for postings from an external debt collection agency
- Assisted with archiving all FI-CA components
- Software: NetWeaver (NW) Application Server (AS) 7.31, ABAP, ABAP OO
SAP Developer
KPMG AG
- Implemented web service-based interfaces between HCM and external systems via PI (Proxy)
- Adapted an existing custom Web Dynpro application for the authorization context
- Software: NetWeaver (NW) Application Server (AS) 7.31, ABAP OO, Web Dynpro
SAP Authorization Management Developer
KPMG AG Advisory
- Developed a comprehensive software package for program-driven role management and integration into the existing environment
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP OO
SAP HCM Developer
KPMG AG Advisory
- Implemented a BAdI for validity period checks in authorization management in HCM
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP OO
SAP FI-CA Developer
primacall GmbH
- Customized and newly developed programs in FI-CA (account statements, bank data, customer master data)
- Made adjustments for SEPA implementation (payment run, mandate management, DMEE)
- Archived contract accounts, business partners, and FI-CA documents
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP, FI-CA
SAP HCM Developer
Investitionsbank des Landes Brandenburg
- Supported SEPA conversion (payment program, IBAN uploads, DMEE)
- Adapted event management, time management (time terminal interface), and organizational management (position structuring)
- Applicant management: dynamic actions, anonymization, and correspondence enhancements
- Supported upgrades (SPDD/SPAU) and selection of a transport tool
- Software: NetWeaver (NW) Application Server (AS) 7.31/6.04, ABAP/ABAP OO
SAP Authorization Management Developer
KPMG AG Advisory
- Developed software for automated mass role maintenance and made adjustments to existing software
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP OO
User and Authorization Management Support
Drägerwerk AG & Co. KGaA
- Managed users in development and test systems, as well as via GRC in production systems
- Migration project: transferred about 1200 users using an ABAP tool and LSMW
- Created new roles, authorization objects, and a tool to automate role creation
- Provided user support in day-to-day operations and GRC environment
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP
SAP Basis Developer
KPMG AG Advisory
- Development of a module for dynamic reading of SAP tables including security checks and performance optimization
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP
SAP Authorization Management Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Development and extension of support software for the SAP profile generator
- Software: NetWeaver (NW) Application Server (AS) 7.02, ABAP
Self-study Java
Home Office
- Learning Java (Windows) using Java SE Development Kit 7 Update 4
SAP Security/Basis Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Automatic transaction search for audits to identify authorization checks
- Maintenance and enhancement of automated processes for user management and role assignment (Web Dynpro ABAP)
- Automatic creation of SAP users for offshore employees and integration of mass email functionality
- Assisted in onboarding about 2000 new SAP users
- Software: NetWeaver (NW) Application Server (AS) 7.00, ABAP, ABAP OO, Web Dynpro
SAP Developer
BearingPoint
- Support in event management (LSO) and maintenance of structural authorizations (BAdI)
- BSP programming for external courses and creation of an equipment database
- Form adjustments in SD and implementation of user exits for travel expenses
- Software: NetWeaver (NW) Application Server (AS) 7.00, ABAP, BSP
SAP SD Developer
Refratechnik Cement GmbH
- Form and print program adjustments in SAPScript
- Adjusting basic settings through user exits, BAdIs, or modifications
- Expanding IDoc content and modifications in order management/billing
- Software: NetWeaver (NW) Application Server (AS) 7.00, ABAP
SAP HR Developer
Investitionsbank des Landes Brandenburg
- Customizing print layouts and programs as well as automatic email sending
- Interface for correction entries in time recording
- Customizations in applicant and event management and staffing plan printout
- Software: NetWeaver (NW) Application Server (AS) 7.00, ABAP
SAP ArchiveLink Developer
Infoniqa IT Solutions GmbH
- Programming in the ArchiveLink area and troubleshooting BLOB archiving
- Implementation for document type TXT
- Software: SAP ERP Release 6.00 (HR) and NW AS 7.00, ABAP
Self-study SAP Workflow
Heimarbeit
- Self-study in SAP Workflow Management (customizing, monitoring, reporting)
- Business Objects programming and ABAP integration of ArchiveLink
- Software: NetWeaver (NW) Application Server (AS) 7.00, ABAP, Workflow
SAP Authorization Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Handover of automated authorization management tools to external service providers
- Creation of documentation (EN), 2nd/3rd level support and troubleshooting in workflow
- Software: NetWeaver (NW) Application Server (AS) 7.00, ABAP, authorizations
SAP Developer Authorizations
KPMG AG Wirtschaftsprüfungsgesellschaft
- Monitoring of authorization automation and implementation of a new authorization concept for 8000 users
- Development of programs for user management, session management (similar to SM04) and synchronization with eRecruiting
- Support in 2nd/3rd level, troubleshooting in BAPIs and FI forms (Smart Forms)
- Software: SAP ERP Release 6.00 (HR) and NW AS 7.00, ABAP, ABAP OO
SAP Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Web Dynpro application for decentralized assignment of user groups with an approval concept
- Implementation of mass processing functions and reporting of organizational management
- Design of dynamic search aids in the HR environment
- Software: SAP ERP Release 6.00 (HR) and NW AS 7.00, ABAP OO, Web Dynpro
SAP Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Creation of a control program for off-cycle payroll distribution and event-driven user group synchronization (LDAP)
- Automated user management based on ODS data from BW
- Development of a flexible interface to FI for phased retirement payments and revision of the CATS HR transfer
- Performance improvement of internal settlement (ILV) in CO
- Software: R/3 Release 6.00 (HR) and WAS 7.00, ABAP, authorizations
SAP Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Preparation and execution of the release upgrade to SAP NW Application Server 7.00 and SAP ERP 6.00
- Review of customer programs
- Software: R/3 Release 6.00 (HR) and WAS 7.00, ABAP
SAP Basis/HR Developer
KPMG AG Wirtschaftsprüfungsgesellschaft
- Synchronization process for password management and tool for managing valid SAP user licenses
- Central analysis program for consolidating user roles
- Extension of the interface to the pension fund and implementation of BAdIs for personnel actions
- Software: R/3 Enterprise Release 4.70 and WAS 6.40, ABAP, user management
SAP developer HCM/Basis
KPMG AG Wirtschaftsprüfungsgesellschaft
- Automated authorization management via BW and a customer solution for substitute assignment
- Handling of service pack imports (SPAU) and program for cross-system variant comparison
- Interface to pension system and automated leave and bonus management
- Software: R/3 Enterprise Release 4.70 and WAS 6.40, ABAP, HCM, user and authorization management
SAP developer Basis/HR
KPMG AG Wirtschaftsprüfungsgesellschaft
- Program for automated user reconciliation between HR and SAP user management (ZBV)
- Modification adjustments due to release change after 4.70 for CO-PA and SD
- Software: R/3 Enterprise Release 4.70 and WAS 6.20, ABAP, user and authorization management
SAP developer CO-PA
Schering AG
- Preparation of quarter-end closing
- Adaptation of programs for the BW interface
- Software: R/3 Enterprise Release 4.70, WAS 6.10, 6.20, ABAP
Self-study ABAP Objects
Home-based work
- Study of object-oriented programming with ABAP Objects and SAP Web Application Server (WAS)
- Development of BSP applications and use of ICM, ICF, and Web Application Builder
- Software: R/3 WAS 6.10, WAS 6.20, ABAP
SAP developer CO/SD
Schering AG
- Reporting in profit analysis (Report Painter/Writer) and maintenance of aggregation levels
- Development of a program system for consignment stock valuation in SD
- Mass status conversion in PS and maintenance of new authorization objects in BC
- Software: R/3 4.6C, ABAP
SAP Developer CO
Schering AG
- Consolidation project with interface programs to BW (ASCII files)
- Adjustments in the CO-PA results area and special valuation rules via user exits
- Software: R/3 4.6B, ABAP
SAP Developer MM/SD/FI
Schering AG
- Migration and merging of companies (vendor/customer master data, open items)
- Function module for automated use of free accruals in submit statements
- Optimization of the procurement process in MM and screen control for CO internal orders
- Software: R/3 4.6B, ABAP
SAP Developer PS/MM
Schering AG
- Function for automatically closing project definitions and PSP elements in PS
- Programming of a modified material master maintenance transaction (dialog programming) in MM
- Software: R/3 4.6B, ABAP
SAP Developer FI/MM
Schering AG
- Introduction of new functions in payment transactions (forms, archiving) and electronic account statement
- Program for automatic maintenance of posting periods and customizing of the disposition in MM
- Global material master data changes and interface adjustments (file, IDoc)
- Software: R/3 4.6B, ABAP
SAP Developer MM/CO/FI
Schering AG
- Adjustment of customer programs after release upgrade to 4.6B (BBP, MRP, email for purchasing)
- Dialog transaction for capacity planning in CO based on plant data
- Optical archiving of payment regulation lists in FI
- Software: R/3 4.6B, ABAP
SAP Developer CO/SD
Schering AG
- Release upgrade 3.1H to 4.6B with testing and adaptation of customer programs
- Data transfers of customer data in CO, IM and SD
- Software: R/3 3.1I, 4.6B, ABAP
SAP Developer R/3
AgrEvo GmbH
- Adaptation of customer programs for release upgrade to 4.5B in MM, SD and FI
- Inventory overviews with history tables and form adjustments in SAPScript
- Troubleshooting SAP printing (NT print server) and preparing patch comparison
- Software: R/3 3.1I, 4.0B, 4.5B, ABAP
SAP Developer MM
AgrEvo GmbH
- Migration and data transfer to merge two companies in MM
- Data transfer for material master, purchasing creditors and inventory (batches)
- Software: R/3 3.1I (ABAP/4, batch input, direct input, MM)
SAP Developer FI/CO
KPMG AG Wirtschaftsprüfungsgesellschaft
- Programming in ABAP/4 for SAP R/3 3.1H in FI/CO and SD
- Basic tasks like printer and job management as well as transport management (Workbench)
- Design and implementation of an interface between external server software and SAP R/3 invoice receipt (RFBIBL00)
- Software: FTP, R/3 3.1H (ABAP/4, batch input, FI)
SAP Developer MM/PP
Schindler Aufzüge und Fahrtreppen GmbH
- Programming in ABAP/4 for SAP R/3 MM and PP
- Implementation of an assembly information system in SAP R/3
- Development of a dialog transaction to process technical parameters of elevator systems in SAP R/2
- Analysis and design for using the purchasing information system
- Software: R/3 3.1G (ABAP/4), MS Excel, FTP
SAP Developer R/2
Schindler Aufzüge und Fahrtreppen GmbH
- Programming in ABAP/4 for SAP R/2 4.3I (CICS 2.1) in modules RM-MAT and RM-PPS
- Basic tasks (user, printer, job management) and support of PC-Connection
- Software: R/2 4.3/I (ABAP/4), Windows, MSDOS, OS/2, FTP, MVS
User Support Staff
Schindler Aufzüge und Fahrtreppen GmbH
- User support in PC and network technology
- Hardware installation and maintenance of Intel-based PC components
- Software: Windows 3.1/3.11, OS/2
Triton/UNIX Administrator
BICC Cables Ltd
- Implementation of Triton 2.2 (Baan) as administrator
- Work as UNIX administrator (HP-UX, AIX)
IT Specialist
BICC Cables Ltd
- Technical preparation for the implementation of Triton 2.2
- Development of concepts for network, data security, availability, and file servers
- Software: HP-UX, AIX
SAP Developer R/2
BICC Cables Ltd
- List programming in module RM-MAT and basic system administration tasks
- Implementation of a solution for error correction in the gateway printer connection
- Study and concept for using UNIX IT systems in the company
- Software: SAP R/2 4.3.H, RS, ABAP/4, C, CLIPPER, Turbo Pascal, HP-UX shell script
System and application programmer
VEB Kabelwerk Oberspree (KWO)
- System programming for mainframes (ESER) under MVS/CICS
- Developed in-house application programming for materials management (dialog and list programming)
- PC programming for the download data set
- Software: Assembler (370), PL/1, Clipper, dBase IV
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Professional Services (15 years), Manufacturing (11.5 years), Information Technology (5.5 years), Pharmaceutical (3.5 years), Banking and Finance (2.5 years), and Transportation (2 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (35 years), Supply Chain Management (7.5 years), Human Resources (6.5 years), Production (4 years), Finance (3.5 years), and Procurement (3.5 years).
Summary
IT experience since 1987 (including studies since 1982)
Main activities
- SAP ABAP development since 1990 (R/2)
- SAP authorization and user management (since 2013, ERP only)
Technical SAP systems
- ERP 6.0 NetWeaver 7.n
- Web Application Server ABAP 6.n
SAP development technologies
- ABAP (since 1990 R/2) and ABAP OO (since around 2010)
- Web Dynpro ABAP (since 2008, without Floorplan Manager)
- BSP (only in 2011, SAP HR LSO)
- SAPUI5/OData – basics in 2016, prototype, no project experience so far
- Form control SAPscript, Smart Forms
- CDS (Eclipse ADT)
SAP modules (R/3 and later) and special applications
- currently: mainly HR/HCM/ESS (since 2004)
- also SD (first in 1996, last in 2018 during employment)
- also FI (first in 1998, last in 2018 during employment)
- 1996 to 2003: mainly MM, PP, PS, SD, LO
- 2013 to 2016: also FI-CA
- also since 2004:
Special tasks in BC Basis/NetWeaver:
- SAP authorizations – operational support (no authorization concepts)
- HCM with structural/context-dependent authorization checks
- FI, SD to a lesser extent
- SAP user management
- Central user management – development/administration
- ABAP developments (ABAP/Web Dynpro) for user and authorization assignment automation
Other:
- ITIL Foundation Certificate in IT Service Management in June 2016
- Ticket tool Amdocs
- Ticket tool Remedy
Skills
- Application Programming Hcm, Sd, Fi, Co, Fi-ca, Authorizations
- Abap, Abap Oo
- Web Dynpro (Without Floorplan Manager)
- Web Application Builder Bsp
- Sapui5 Basics (Training And Prototype In 2016)
- Odata (Training And Prototype In 2016)
- Abap Proxy Processing
- Form Control Sapscript, Smart Forms, Adobe Interactive Forms
- Troubleshooting/debugging Across Modules
- Authorization Management – Role Design, Structural Authorizations Hcm
- User Support In Second And Third Level Service For User Management/authorizations
- Basic Support In User Management/authorizations
- Job Management (Plus Additional Software From Blohm)
- Process Management
- Posting Management
- Lock Management
- Printer Control, Printer Management
- System Log
- Runtime Analysis (Performance)
- Dump Analyses
- Lsmw
- Table Indexing (Access Optimization)
- Transport Management (Cts)
- Oss Services (Notes, Transaction Snotes)
- Enhancements (Smod/cmod, Badis, User Exits)
- Modifications (Modification Monitor, Spdd/spau)
- Classic And Object-oriented Programming In Abap/4
- Table Control
- Alv Grid
- Customer Control
- Business Objects (Bor, Bapi, Maintenance, Programming, Troubleshooting)
- Abap Query
- Batch Input And Direct Input
- Ole (Interface To Ms-office)
- Unix, Windows Interfaces
- Workflow Basics/troubleshooting/modification/extension Of Existing
Languages
Education
TU Dresden
Diploma Engineer in Electrical Engineering · Electrical Engineering/Automation Engineering · Dresden, Germany
High school diploma
Certifications & licenses
ITIL Foundation Certificate In IT Service Management
Profile
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