Freelancer profile translated to English.
Back to original languageAbout Manuel
From analysis through design, implementation, testing, and documentation, I strive to create sustainable SAP solutions that provide real added value for the user. Even with over 12 years of SAP experience, I remain curious and always ready to learn from others.
Values:
Trust – Trust forms the basis for fruitful collaboration. Only reliable, honest, and competent communication leads to success.
"Software design is an exercise in human relationships." – Kent Beck
Quality – Good SAP development is characterized by the application of best practices (e.g., design patterns) and proven principles (e.g., DRY or SOLID) of good software development. This keeps the code maintainable, extensible, and robust against changes.
"Any fool can write code that a computer can understand. Good programmers write code that humans can understand." – Martin Fowler
Performance – Through motivation and determination, we master challenges and overcome obstacles. I take responsibility and work hard with personal commitment to achieve the set goals.
German
Native or bilingual
English
Fluent
Spanish
Conversational
Can work on-site
Ravensburg (up to 50km), Stadtkreis Ulm (up to 50km), Konstanz (up to 50km), Lindau (Bodensee) (up to 50km)
Experience
- Übertragungsnetzbetreiber, BerlinSAP ABAP OO, Fiori/SAPUI5 & RAP DevelopmentENERGY AND UTILITIESJanuary 2024 - Today (2 years and 5 months)• Customization, enhancement & new developments in module EHS• Occupational safety & environmental protection (incident management, environmental and permit management & location management)
- Kühltechnik, BayernSAP ABAP OO, BTP Integration Suite DevelopmentENERGY AND UTILITIESOctober 2023 - Today (2 years and 8 months)• New logistics hall: Delivery monitor & implementation of user exits (WM)• Interface to packaging machine including form development• Interface to HubSpot CRM (SAP BTP Integration Suite)
- Vetter Pharma-Fertigung GmbH & Co. KG (ca. 6.500 Mitarbeiter)SAP Developer with Functional LeadershipPHARMACEUTICALS INDUSTRYApril 2018 - July 2023 (5 years and 4 months)Ravensburg, GermanyGeneral:SAP Software & Requirements Engineering- Analysis, design, implementation, tests, and documentation- Mockups, user stories, glossary definition, UML- Design patterns, refactoring, clean code, pair programming, test-driven development (TDD), SOLIDDefinition and enforcement of development guidelines- Incorporation of recommendations and best practices from DSAG, SAP ABAP Programming Guidelines, and Clean ABAPManagement of internal and external developers- Organization of external training, provision of development environment, and code reviews- Coaching (ABAP in Eclipse, refactoring, Adobe Forms, exception handling, ATC, or classic reports with Model View Controller (MVC) pattern)Analysis of custom code- Introduction of ABAP Test Cockpit (ATC) for static code inspection- Runtime analysis monitor, SQL monitor, ABAP Call Monitor (SCMON), usage data (SUSG)Other:- Integrative assessment of changes (release management)Module HCM- Company supplementary health insurance (bKV) (2022-Q3 – 2023-Q2), new infotype, interface (REST & Basic Auth) to insurer or service provider- Interface Employee Central (EC) and HCM, populating infotypes in non-relevant payroll areas with dummy values- Various file interfaces, to and from SAP, time accounts, cash register system, company pension scheme and JobRad, for analysis: actual costs, plan data, master data personnel, and organizational units- Calculation of provisions and bonuses, vacation days, vacation pay, overtime hours, benefits SV etc.Module PP(-PI)- Control times in optical inspection (2020-Q4 - 2021-Q3, extensive in-house development), development of user stories, data model, and architecture, backend (OData) and frontend (SAPUI5) implementation- Automatically calculated limits in optical inspection (2018-Q4 – 2019-Q4, extensive in-house development in ABAP OO), classification of optical inspections into product clusters, 40 classes and > 20 tables- Production dashboard, display of the last 4 orders and their performance (SAPUI5)Module EHSM- Extensive enhancements in the areas of accident management, hazardous substance management, and risk assessment, screen configuration, workflows, forms, new fields, etc.- New event types for first aid log entry and incident report- SAPUI5 app for searching chemicals, their safety data sheets, and operating instructions (PDF)Module LE/WM- Picking via handheld scanner (MSB)- Calculation of delivery date, input screen (Dynpro) with calculated delivery dates based on production recipe, number of employees, and selected shift operation- Cockpits for material supply, display of Handling Units (HU) and associated transfer orders, creation/cancellation of transfer ordersModule QM- Redesign of sample drawing instructions as Adobe Forms (previously SAPscript)- Sample draw, extensive refactoring with performance optimization, creation, modification, and deletion of Handling Units, withdrawal from and packaging into Handling UnitsModule MM- Courier express parcel service (SAPUI5 app)- Dashboard throughput times for project batches (SAPUI5 app), use of Flexible Column Layout with search area, graphical representation as bar charts with drill-downCross-module- Migration to HANA DB / EHP Upgrade, analysis and adaptation of custom code, SPDD, SPAU & SPAU_ENH- Interface SAP to MES (PAS-X) via IDoc, material and equipment master data- Password Self-Service, generated web service from RFC function module, configuration in SOA Manager- Performance analysis and optimization- Error correction/debugging
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Education
- M.Sc. Business InformaticsTU Munich2018
- B.Sc. Business InformaticsDHBW Ravensburg2010
Certifications
- SAP Certified Development Professional - ABAP with SAP NetWeaver 7.0SAP2013