Attila Berencsi

Attila Berencsi

Attila is a full-stack SAP developer experienced in UI5/Fiori, Floorplan Manager, ABAP WebDynpro, GUI and BSP implementations. Gained practical experience in S/4HANA, ECC, AM, GRC, TM, SRM, HCM and CRM applications. He is working full-time with ABAP/Fiori since 2006/2014, tracking the evolution of information technology. Believes, that continuous learning, understanding and usage of latest SAP software and languages keeps the profession value. Experienced with ABAP Developer Tools (Eclipse), SAP WebIDE Fullstack, Business Application Studio, VSCode, SAP Business Technology (Cloud) Platform Cockpit / Connector and Cloud Foundry DevOps basics. Besides his architectural and programming models knowledge, Attila has several years of experience as a lead developer.



Special SAP Experience

Developing and Extending SAP Fiori Elements Apps (SAP Certificate)
Building Apps with the ABAP RESTful Application Programming Model (SAP Certificate)
Efficient DevOps with SAP (SAP Certificate)
SAP Cloud Platform Essentials (SAP Certificate)
SAP Translation Hub in a Nutshell (SAP Certificate)
Understanding SAP Fiori Launchpad (SAP Certificate)
SAP Cloud Platform Version Control with Git (SAP Certificate)
Key Technical Topics in a System Conversion to SAP S/4HANA (SAP Certificate)
Key Functional Topics in a System Conversion to SAP S/4HANA (SAP Certificate)
Migrating Your Business Data to SAP S/4HANA – New Implementation Scenario (SAP Certificate)
UI Development: Fiori, UI5, Floorplan Manager (FPM), ABAP WebDynpro (WD), BSP, SAP GUI
SAP GateWay: OData Service Development
Fiori LaunchPad extensions and customization
Core Data Services – CDS ABAP
Fiori Elements
Performance analysis and tuining: ABAP, SQL
Transport Management System
Framework and API developments (time dependent pricing, external interfaces, UI object generations, controlling rule builder and check engine, notification, professionail e-Mail templates and rendering engine)
Standard, FPM, WD, Fiori Enhancements
.NET application and ABAP RFC integration
REST APIs, ABAP HTTP Client and Communication, SAP-JIRA Integration with REST API

Development Experience


  • Master Data Migration Framework
  • Product Search by Characteristics Fiori Application
  • Fiori Push Notifications for System Close/Retart
  • Extension of Standard Product Master Fiori App
  • Extension of Custmer Line Items Analytical Fiori App
  • Extension of Check Cash Flow Item Analytical Fiori App
  • Fiori MyInbox Extensions and Developments
  • Fiori Launchpad Configuration
  • Company specific Fiori Launchpad Theme
  • Handheld EWM App
  • SAP Screen Personas Developments
  • SPRO Extensions
  • Tile KPI OData Service Implementation
  • SAP Note Implementations
  • PPDS Scheduling Board Fiori App Extension
  • Fiori Consultancy, Design, Mockups


  • External Vendor Master Upload
  • Simplified OO Vendor Management API
  • Vendor MD Maintenance Fiori Application including OO Workflow, OData service, Classifications
  • Reposting Floorplan Manager Application
  • ABAP Security investigations
  • SOAP Services for value helps
  • Material Group extension: GUI -> Middleware -> SRM Product Categories
  • IBAN and SEPA related
  • Workflow notification eMails including advanced dynamic tables using templates and repeaters
  • (Chief) Accountant Floorplan Manager Application with Fund Overview
  • Controlling Engine and Rule Builder
  • Project System external interface
  • HTTP request based stream / data imports from external sources into ABAP
  • Master Data Duplicate and Consistency Checks
  • Regional data import from web services
  • Standard Enhancements
  • Data Migration reports
  • Booking Data Queries  with generic interfaces
  • Upgrade: SPDD, SPAU, SPAU_ENH
  • Customer IMG structure build
  • Billing Fiori Application
  • FI Year Turn Over Accruals FPM Application
  • Project Builder Fiori app with tree
  • Developments with Customer and Vendor API
  • Exchange rate notifications
  • Quality Assurance

GateWay aka. SAP Frontend Server

  • central Fiori Launchpad (FLP) Plugin with Task Manager
  • Second Level Tile Menu for FLP with backend persistent customizing using CDS, Fiori Elements and BOPF
  • Fiori MyInbox extensions (including custom navigation at task opening)
  • Fiori LaunchPad extension and customization
  • Fiori Launchpad login page adjustment to corporate IE settings
  • Fiori application adjustments on major UI5 release updates
  • UI5 Library Patches and Updates
  • Generic UI5 Printer API for Desktop
  • Base/Super class for Backend Systems to deliver Fiori MyInbox custom task attributes
  • Package hierarchy

HCM – Human Capital Management

  • Payroll parking deductions Fiori application with external interfaces
  • Managers Team Calendar Fiori application
  • Standard Fiori app enhancements
  • Standard FPM app enhancements
  • UI5 printer
  • Upgrade safe FPM Custom Feeder 
  • ABAP quality assurance of HCM introduction
  • Employee Master Data Maintenance FPM app for self services

SRM – Supplier Relationship Management

  • Purchase Order, Contract, Shopping Cart and Sourcing Cockpit enhancements
  • Extended Document History
  • Workflow extensions
  • Performance Tuning
  • Product Category extensions
  • PO Delivery Tracking Floorplan Manager Application (hierarchical list)
  • Pending Payment Monitoring
  • Pending Tasks Monitoring
  • Consistency check and cleanup reports
  • Customer IMG structure build
  • SICF Intelligent Customer Error Pages
  • Supplier Evaluations from BI
  • DocFlow based WebDynpro reporting
  • POWL Fiori application based on standard OData Service Exposure
  • Offline approval enhancement, detail approval notification 

GRC & Audit Management (S/4HANA)

  • Processs Chain Tree Fiori App based on hierarchical OData Service and CDS, with navigation to external apps
  • Fiori Risk Approval Worklist in multi-level multi-role approval scenario
  • Webdynpro extension for the reusable attachment block with confirmation dialogs and validations
  • Scenario extensions: DB, CDS, WD, GUI and Fiori
  • Root cause validations on Risks by extensions
  • Action Plan Fiori app extension – enable table views (variant management)
  • Action Plan Fiori app extension – Working Paper/Attachment filtering by authorizations and status
  • Action Plan Fiori app extension – Custom fields as calculated Virtual Elements with filtering
  • Analytical Fiori app on time recordings
  • UI5 Extension library for dynamic UI adaptations (forex hide/disable fields on document status, role etc…)
  • Working Papers List Report with variety of search criteria of hosting documents
  • Custom fields customizing

Outdated knowledge: SCM, SPP, CRM and FS-PM.

Nowadays EWM and TM in S/4HANA are coming back as integrated part of the delivery. Fun to meet my 15 years old standard SAP code in S4 and extend them :).

Non-SAP, but related experience:

  • SoapUI
  • REST Clients
  • Former NotePad++ ABAP language updates
  • SAP HANA 2.0 XS Advanced
  • Arduino C/C++ programming

My SAP Press Books