01.09.2026 aktualisiert

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Freelance SAP Technical Consultant - ABAP, Fiori, RAP, Integration Suite, AIF & DRC

Błażejewo, Polen
Nur Remote
Ph.D. Management and Quality Studies
Błażejewo, Polen
Nur Remote
Ph.D. Management and Quality Studies

Profilanlagen

PI_Insurance_confirmation_Professional Indemnity for Digital Professions_207315.pdf

Über mich

SAP Technical Consultant specializing in ABAP, Fiori, RAP, Integration Suite, AIF, and DRC, with experience across ECC, S/4HANA, and BTP. Focused on Clean Core, modern extensibility, integration, and building robust SAP solutions that deliver business value.

Skills

SAP CloudAgile MethodologieSAP Web DynproSAP IDocSAP ERPSAP NetWeaverScrumSAP ABAPSAP ApplicationsSAP Business SuiteSAP CRMSAP FISAP FI/COSAP HANASAP ImplementierungSAP LogistikSAP MMSAP Web Application ServerSAP QMSAP SDSAP Solution ManagerSOAPSAP EntwicklungSAP AIFSAP-IntegrationenRISE with SAPSAP BTPSAP BAPISAP SAPscriptSAP FioriSAP UI5SAP EWMSAP DMSRestful ApisSAP BRIM (Abrechnungs- und Einnahmeinnovationsmanagement)SAP IS
SAP ABAP Development
Extensive SAP ABAP expertise across ECC and S/4HANA, including ABAP OO, classical ABAP, RAP, CDS view entities, and AMDP. Experienced in developing, extending, and optimizing custom applications across modules, including FI-CO, TRM, SD, MM, QM, RE-FX, CRM, and EWM.

SAP BTP ABAP Environment
Practical experience with ABAP Cloud and SAP BTP ABAP Environment, applying Clean Core principles for upgrade-stable extensions and integrations. Experience with proxy classes/services, communication scenarios, systems, and arrangements for consuming services from ECC and S/4HANA systems in ABAP Cloud.

SAP S/4HANA
Strong experience in SAP S/4HANA development, implementation, migration, and integration scenarios, including S/4HANA Private Cloud. Experience with Clean Core extensibility using released APIs and upgrade-stable extension approaches.

SAP Integration
Expertise in SAP integration and interface development across SAP and external applications, with experience in SAP AIF, EDI, SAP Integration Suite, and SAP Gateway. Strong knowledge of integration technologies including BAPIs, RFCs, OData services, REST APIs, and SOAP Web Services, covering the design, implementation, enhancement, and troubleshooting of interfaces.

SAP Adobe Forms
Expertise in developing SAP Adobe Forms using Gateway Service- and XML Schema-based interfaces, designing forms with Adobe LiveCycle Designer for SAP, and configuring SAP Output Management.

SAP CRM & Web UI
Experience with SAP CRM 7.0, the CRM One Order Framework, and implementing CRM solutions that support sales processes and customer management. Experience with SAP CRM Web UI, BOL/GenIL, UI configuration, and development of responsive user interfaces.

SAP Fiori & UI5
Proficient in developing SAP Fiori extensions and custom SAPUI5 applications, including OData integration, annotations, controller extensions, custom views, fragments, and SAP Fiori Launchpad configuration.

SAP DRC & E-Invoicing
Hands-on experience with SAP DRC implementation, including technical scoping and requirements gathering, and SAP OSS Note implementation. Practical experience implementing custom enhancements using BAdIs and ABAP to extend standard processes, including automation of incoming invoice processing and document parking.

International Project Experience & Collaboration
Proven ability to collaborate effectively in international and cross-functional teams, with project delivery experience in the USA, the Netherlands, Germany, and Switzerland. Comfortable working with distributed teams, business stakeholders, functional consultants, and external partners in multicultural environments.

Agile & Scrum Methodology
Practical experience working in Agile/Scrum environments, including sprint planning, backlog refinement, daily stand-ups, retrospectives, estimation, and coordination with Product Owners, Scrum Masters, functional consultants, and development teams.

Erfahrung

Berufserfahrung5 - 10 Jahre
Freelancer seit2021

Sprachen

EnglishMuttersprachePolishGrundkenntnisse

Projekthistorie

SAP ABAP/Backend Developer

International enterprise with a focus on the energy sector based in Germany

Sonstiges

>10.000 Mitarbeiter

  • Performing ABAP application backend development of a portal for suppliers and buyers in S/4HANA and ECC SAP systems to support Logistics (Purchase Orders and Deliveries), Quality Management (Quality Notifications, Tasks, Inspection Lots), and REACH compliance.
  • Building custom ABAP applications and S/4 HANA extensions in the SAP BTP ABAP environment, taking ownership of the end-to-end backend development.
  • Building data replication/unification applications in the SAP BTP ABAP environment.
  • Building communication arrangements, communication scenarios, and proxy classes for the consumption of ECC and S/4HANA-based OData services in the SAP BTP ABAP environment as part of the application unification process.
  • Performing code reviews, including ATC checks, and preparing technical documentation of developed solutions.

Adjunct Professor – Part-time

Poznan University of Technology

Sonstiges

1000-5000 Mitarbeiter

  • I am actively involved in preparing, organizing, and conducting lectures, projects, and laboratory classes in units related to Management of Information Systems, Industry 4.0/5.0, and Intelligent Management Support Systems.
  • I participate in research projects on topics related to Intelligent Support Systems and Industry 4.0/5.0

SAP S/4 HANA ABAP Developer

International Trading & Logistics company in USA

Transport und Logistik

50-250 Mitarbeiter

  • Designing and implementing solutions and concepts using SAP development tools, frameworks, and technologies, including ABAP OO, ABAP SQL, CDS view entities, AMDP procedures, OData services, RAP, IDocs, and other relevant technologies.
  • Participating in discovery, scoping, blueprint creation, and development and implementation of solutions in SAP Documents and Reporting Compliance
  • Maintaining and enhancing integration interfaces and monitoring inbound and outbound messages.
  • Implementing, extending, migrating, and developing various ABAP applications, reports, and forms across FI-CO and MM modules.
  • Implementing and developing FI substitutions, validations, and enhancements using BTEs, BAdIs, customer exits, and user exits, and migrating and updating master data using LSMW.
  • Creating, enhancing, and maintaining Adobe Forms using Adobe Lifecycle Designer, OData services, and FormCalc/JavaScript.
  • Performing ATC checks and reviewing and modifying ABAP Objects in SPAU and SPAU_ENH, including SAP Notes, reports, interfaces, functional modules, standard classes, and message classes, to ensure compatibility with new and updated standard objects during technical upgrades

SAP S/4 HANA ABAP Developer

Global agricultural network in Rotterdam, Netherlands

Sonstiges

>10.000 Mitarbeiter

  • Served as an ABAP developer in the SAP Finance team, with a focus on FI-CO and TRM modules.
  • Provided technical assistance with end-to-end payment run processes, including proposal creation, payment execution, and payment medium creation.
  • Performed technical enhancements around payment processes, including MT101 files and automatic payment runs.
  • Implementing enhancements using BAdIs, BTEs, user exits, and customer exits.
  • Created new and adjusted existing validations and substitutions for various accounting and finance processes.
  • Fixed bugs in various FI development objects, including Smartforms, Adobe forms, custom reports, posting transactions, and posting interfaces.
  • Performed regular financial and accounting data migration using multiple tools, including LSMW and BDC.
  • Created new and supported the maintenance of existing SAP Fiori/UI5 applications, OData services, and REST APIs for various integrations.
  • Involved in the eDocument solution migration from the Neo environment to Cloud Foundry on SAP Integration Suite for Poland, Hungary, and Italy; configured backend logical ports, copied and configured integration flows, configured validation messages, and performed end-to-end tests using IFTT/INT4 Suite.

SAP AIF/Integration Consultant

Building material and construction systems manufacturing company in Germany

Sonstiges

>10.000 Mitarbeiter

  • Collaborated as an SAP AIF expert and integration consultant to deliver a B2B EDI integration project.
  • Developed interfaces - ORDERS, ORDERSP, ALEAUD, and INVOIC.
  • Performed configurations, including value mappings and message-specific customizations in SAP AIF, to ensure seamless monitoring and error resolution.
  • Performed partner profile and RFC port configurations to route inbound and outbound IDOCs for SAP AIF processing
  • Created a housekeeping custom report for deleting old messages in SAP AIF

SAP ABAP & CRM Technical Consultant

Leading telecommunications company in Germany

Telekommunikation

>10.000 Mitarbeiter

  1. Worked as SAP CRM ABAP Developer on a SAP CRM support and maintenance project with a focus on CRM service.
  2. Worked primarily on SAP CRM 7, designing solutions based on BOL and Genil frameworks, developed reports and interfaces.
  3. Participated in sprint planning, retrospective, and requirements analysis with the technical and functional teams and the business as a member of the scrum team.

Zertifikate

SAP Certified Associate - Back-End Developer - ABAP Cloud

SAP

2024

SAP Certified Development Associate - SAP Fiori Application Developer

SAP

2023

SAP Certified Associate - SAP Fiori Application Developer

SAP

2023

SAP Certified Development Associate - SAP BTP Extensions with SAP Cloud Application Programming Model

SAP

2023

SAP Certified Development Associate - Programming in SAP S/4HANA for SAP NetWeaver ABAP Programmers

SAP

2023

SAP Certified Development Associate - ABAP with SAP NetWeaver 7.50

SAP

2020

SAP Certified Development Associate - SAP HANA 2.0 SPS05

SAP

2020

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Versichert bis: 01.01.2030

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