12/04/2025 updated
100 % available
SAP Expert (more than 10y Exp) | ABAP & Fiori Fullstack | S/4HANA & Legacy Systems Support
Twardogora, Poland
Only remote
MSc in Engineering, Wroclaw University of Science and TechnologyAbout me
Senior SAP Fullstack Dev. Expert in ABAP OO, RAP, Fiori Elements, SAPUI5 & OData. I deliver end-to-end S/4HANA solutions from backend logic to modern UI. Certified SAFe Practitioner. Available for Remote B2B projects. English C2.
Clean Code PrinciplesSAP CloudHTMLJavaScriptPHPApplication Programming Interfaces (APIs)Agile MethodologyArchitectureAtlassian JiraBusiness To BusinessCascading Style Sheets (CSS)Cloud ComputingComputer ProgrammingData ModelingDatabase Design
I am a Senior SAP Consultant and Developer with a dual focus on robust backend development and user-friendly frontend interfaces. With more than 10 years of experience, I help clients optimize their SAP landscapes through clean code and modern architecture.
Currently available for remote B2B contracts.
What I bring to the project:
End-to-End Development: From database design and ABAP logic to final Fiori UI.
S/4HANA Readiness: Strong expertise in the RAP model and OData services tailored for modern SAP environments.
Complex Problem Solving: Proven success in delivering custom applications for Time Registration, Access Card Management, and Work Orders.
Skills Matrix:
Frontend: SAP Fiori, Fiori Elements, SAPUI5, JavaScript.
Backend: ABAP OO, CDS Views, SAP Gateway, BAPI/RFC.
Forms & Legacy: SmartForms, SAPScript, WebDynpro.
Cloud: SAP Cloud Platform & Cloud Connector.
Communication: Fluent in English (C2) and experienced in working with international teams (e.g., SAP Germany, Ørsted).
Experience
Professional experience10+ years
Freelancer since2022
Languages
EnglishFluentPolishNative speaker
Project history
Custom Fiori Application development, RAP-based Fiori Elements, OData integration, and full-cycle SAPUI5/OData solutions
Delivered functionalities in SAFe/Scrum teams for PM and logistics modules, prepared architecture and PoC prototypes, maintained SAPUI5/Fiori applications
Developed Portaftale v2 OData v2 backend for access card management integrated with SuccessFactors and scheduling systems