Joaquim (Landa) Miala
Freelance ABAP Developer, Logistics
Experience
Sep 2022 - Oct 2023
1 year 2 months Greifswald, Germany
Freelance ABAP Developer, Logistics
Cheplapharm
- Modules: SAP Materials Management
- Industry: Pharmaceutical Industry
- Testing the integration of TIBCO EBX with SAP S/4HANA via TIBCO BusinessWorks – proof of concept
- Use case implementation: communication between TIBCO EBX and SAP S/4HANA via IDocs for exchanging material master data and business partner data
- Customizing, configuration and implementation of inbound and outbound processing in the SAP S/4HANA environment for communication with the TIBCO EBX software interface for master data management
- Distribution of classes, characteristics and values between TIBCO BusinessWorks and SAP S/4HANA, customizing and implementation of inbound processing
- Documentation of technical components
- and much more
Apr 2022 - Dec 2022
9 months Frankfurt, Germany
Freelance ABAP Developer, Logistics
DB Systel - Deutsche Bahn
- Modules: SAP MM, SAP Ariba, SAP SD
- Industry: Transport and Logistics
- Implementations of solutions for purchasing and procurement
- Implementation and customizing of technical components in applications
- Fixing errors from production and testing phases in applications
- Documentation of technical components
- Creating system documentation
- Preparing delivery packages for the applications
- Setting up development environments including continuous integration
- Conducting code reviews, component tests, module tests, module group tests
- Presentations on technically complex topics
- Reporting risks and issues to project management
- Interface technologies WebService and ALE/IDoc development
- Extension of dunning order confirmation: maximum dunning levels
- Maintaining MM email address in vendor master via transaction variant
- Incident management with CHARM
- Agile working methods
- Retrofit
- and much more
Aug 2021 - Jan 2022
6 months Ratingen, Germany
Senior SAP ABAP Developer, Logistics
Consulting Firm
- Modules: SAP SD, SAP MM
- Industry: Automotive Supplier
- New development of a web service provider for the customer's webshop using WSDL and SOAP
- Adoption of web services for order creation and returns
- Migration of various reports using the greenfield method
- Created a report to send error logs for the delivery process
- Report to extend the output of transaction MD04
- Production support
- Creation of CDS views in Eclipse
- Development of a small Fiori app using the ABAP Programming Model
- Implementation of customer exit for rescheduling without a new ATP check
- User exit header for delivery to accounting
- Customer exit for stock calculation for orders in the delivery due list
- User-exit adjustment for storage location determination during BOM explosion
- User-exit extension for price change type for the webshop
- Various enhancements in MM (procurement process, MM02, purchase requisitions)
- and much more
Oct 2018 - Aug 2020
1 year 11 months Germany
SAP ABAP Developer, Logistics
Consulting Firm
- Modules: SAP SD, SAP MM, SAP PP
- Industries: Electrical Parts and Accessories, Automotive Supplier
- Design of a complex delivery note with Interactive Forms by Adobe
- Enhancement for adopting customer requested delivery dates
- Carrying over header text to line items
- Creating labels in PP area with Interactive Forms by Adobe
- Defining characteristics for material classification
- Custom logic extension for source determination
- Customizing message control for the delivery note
- Creation of CDS views and consuming them in reports
- Program to determine material characteristics and display them in ALV
- Pricing with formulas and conditions in transaction VOFM
- Copy control for item types in sales documents (fixed values copied from sales order to delivery)
- IDoc inbound and outbound processing for quotations and inquiries
- Filling custom fields in order creation
- SAP HANA readiness checks (which functions change on migration)
- Pre-checks (tasks to complete before conversion)
- Custom code checks (compatibility check of all non-SAP objects and their adjustment)
- Various enhancements in sales order processing, sales orders, pricing, material management
- Implementation of various user exits in SD, e.g. updating purchase order from sales order or custom fields in sales order header
- Implementation of additional checks to standard condition line checks (user exit pricing) or allow manual entry of a condition type for selected users in sales orders
- Customizing change pointers for material changes
- Creating Business Transaction Events in transaction FIBF
- Extension of transaction CO11N (feedback for production order) with custom fields and storing them in a table
- Enhancements in material change/material creation
- Enhancements in purchase requisitions
- and much more
May 2016 - Dec 2017
1 year 8 months Bochum, Germany
Online Shop Development
Personal Project
- Analysis, planning, implementation and maintenance of the online shop
- Frontend development with JSP, HTML5, CSS3, JavaScript
- Integration of the web service into the infrastructure
- Backend development with Java Servlets
- First- and second-level support
Jan 2015 - Apr 2016
4 months Essen, Germany
SAP ABAP Developer, Real Estate Management
Consulting Firm
- Module: SAP RE-FX
- Industry: Infrastructure Facility Management
- Go-live adoption of contracts in the new company code
- Report to adjust services on IFM contracts
- Implementation of report for price comparison
- Implementation of report for price change approvals
- Maintenance process for minor repairs
- Notifications and orders for maintenance
- Process analysis and documentation for internal minor maintenance scheduling
- Process analysis and documentation for external minor maintenance scheduling
- Automatic order creation from a notification
- Documentation of target state process and management
- Documentation of the dunning process
- Second-level support
Jun 2015 - Dec 2015
7 monthsSelf-directed training in SAP MM and SD
May 2014 - May 2015
1 year 1 month Essen, Germany
SAP ABAP Developer, Energy Industry
Regional Utility
- Module: SAP IS-U
- Industry: Utilities
- Implementation of report for over/under consumption calculation
- Enhancement of a BADI with email notification on error
- Implementation of report for data exchange process mapping
- Creation of a web service consumer for downloading RLM data from an Oracle DB and storing it in profiles
- Adoption of salutation key from the network system into the delivery system
- Implementation of report for downloading weather data
- Automation of the business data request process
- Extension of the customer value calculator with new profile types
- Format change 10/01/2015 IDXGC Common Layer
- and much more
Sep 2013 - Apr 2014
8 monthsSabbatical
Jun 2010 - Aug 2013
3 years 3 months Bochum, Germany
SAP ABAP Developer, Energy Industry
Consulting Firm
- Module: SAP IS-U
- Industry: Utilities
- Implementation of various reports for migration
- Implementation of report to automate the goods movement process
- Development of IDoc inbound and outbound processing for UTILMD format
- Migration of meter reading sequence, report for adopting sequence into network system
- Implementation of report to monitor the status of MaBis metering points
- Implementation of report for mass display of profile values
- Format change 04/01/2012 (UTILMD and APERAK fixes)
- Format change 10/01/2012 (balance group change for SLP customer)
- Automation of the error handling process
- Format change 04/01/2013 (activation of revised message type versions)
- Customizing and implementation of process for meter operator registration/deregistration (MSB)
- Customizing and implementation of process for meter service provider registration/deregistration (MDL)
- Customizing and implementation of disturbance handling for INSRPT format
- Integration of device change subprocess in MSB registration/deregistration process
- Device sale subprocess in MSB registration/deregistration process
- Adjustments of workflow nodes in WiM processes
- Production support
- and much more
Summary
I design solutions, create concepts and implement requirements independently. When realizing requirements I develop and extend customer-specific SAP applications and also enhance standard SAP applications. SAP modules: SAP MM, SAP SD
Languages
German
Native
Education
University of Bonn
Diploma in Computer Science · Computer Science · Bonn, Germany
Certifications & licenses
SAP User - Production Planning with Additional Qualification in Materials Management
SAP
SAP Certified Development Associate - ABAP with SAP NetWeaver 7.50
SAP
Similar Freelancers
Discover other experts with similar qualifications and experience