Recommended expert

József Szikszai

Interim ABAP-OO Developer

József Szikszai
Beilstein, Germany

Experience

Apr 2024 - Mar 2025
1 year
Jegenstorf, Switzerland

Interim ABAP-OO Developer

Interdiscount

  • Interim ABAP-OO developer in S/4HANA migration
  • Automation of trade calculation (IS-Retail)
  • RFC interface between POS system and S/4 (SD)
  • RFC interface between S/4 and R/3 for price comparison (SD)
  • Automatic creation and settlement of pricing conditions (SD)
  • Automation of setting the regular supplier in the info record (MM/SD)
Mar 2021 - Present
5 years
Berlin, Germany

Interim ABAP-OO Developer

Fleurop AG

  • Interim ABAP-OO developer in ongoing projects
  • New features and bug fixes in SD, MM, FI, CO and custom modules
  • Digitizing customer service (automatic emails to customers and delivery partners)
  • Adobe/SmartForms/SAPScript form development (invoices, orders, billing)
  • Interface development (HTTPS calls, web services and RFC function modules)
  • Preparation for S/4HANA migration (Business Partners, custom code conversion)
Jun 2020 - Sep 2020
4 months
Hanau, Germany

Interim ABAP-OO Developer

Heraeus Holding

  • Interim ABAP-OO developer in ongoing projects
  • Development in SD, MM, FI, CO and custom modules
  • Rebuilding and refactoring processes using ABAP-OO
Feb 2020 - Apr 2020
3 months
Stuttgart, Germany

Interim ABAP-OO Developer

Daimler AG

  • S/4HANA implementation project
  • Various developments in FI (Management Information Framework)
  • Data modeling using CDS Views, mapping with AIF
  • IDoc interfaces between R/3 and S/4 for FI postings (BKPF/BSEG ↔ ACDOCA)
  • Project terminated due to COVID-19
Jun 2018 - Dec 2019
1 year 7 months
Heidelberg, Germany

Interim ABAP-OO Developer

HeidelbergCement AG

  • SAP implementation (USA) and support (Europe, Asia)
  • Various developments in SD, MM, LE, FI, CO
  • Reports (ALV-OO in SD, MM and FI)
  • File-based interfaces between SAP and non-SAP (FI, CO)
  • Posting programs (FI, CO, COPA)
  • User Exit developments (SD orders, pricing, MM email on purchase)
  • SAPScript, Smart Forms, Adobe Forms development (SD, LE, FI)
Jan 2018 - Apr 2018
4 months
Hamburg, Germany

Interim ABAP-OO Developer

Tom Tailor Group

  • SAP implementation project (SD, MM, LE, IS-Retail, FMS, FI, CO)
  • Various developments in SD, MM, LE, IS-Retail, and FMS
  • User exit developments (copy routine, invoice creation)
  • IDoc development (transport, LE)
  • Message types for deliveries (sending Excel spreadsheets to customers by email)
May 2017 - Dec 2017
8 months
Walldorf, Germany

Interim ABAP-OO Developer

SAP SE

  • Holistic Tax Research project (time-dependent tax codes and external tax billing for S/4HANA)
  • Building a proof of concept (time-dependent taxes)
  • OO design and development, data modeling using CDS views
  • Customizing in SD, MM, FI (conditions, pricing, tax codes)
  • Adjusting transaction FTXP for time-dependent tax codes
  • Migration programs for old tax codes and postings (A003, ACDOCA)
Jun 2015 - Apr 2017
1 year 11 months
Hanover, Germany

Interim ABAP-OO Developer

TUI

  • SAP implementation project UK (FI, CO, MM, SD, SRM)
  • Various developments in FI, CO, MM, SD
  • Reports (ALV OO in FI, MM, SD)
  • Enhancements (FI, MM – BAdI, BTE)
  • Interfaces (MM, SRM – XML, web services, RFC)
  • Form development (SD invoice in Smart Forms, check in SAPScript)
  • Batch input programming (postings in FI, billing plan in SD)
  • Sub-project leadership (coaching and managing the offshore development team)
Jul 2007 - Feb 2015
7 years 8 months
Neckarsulm, Germany

ABAP-OO Developer

Lidl Stiftung

  • Reports (HCM, FI, CO, AM)
  • Dialog program for selling old assets (SD order and invoice)
  • Call transaction and batch input programming (HCM, FI, AM)
  • Interface development using web services, BAPI, IDoc (FI)
  • Form development (SAPScript, Adobe in HCM, LSO, FI)
  • User exits (HCM, FI, AM, LSO)
  • Dialog programming with MVC in HCM and FI
  • Optimization and adaptation of legacy programs (HCM, FI, AM)
  • Development of Web Dynpro interfaces (LSO)
  • Technical documentation, developer testing, code review
  • FI-AM implementation projects (Germany, France, Greece, Cyprus)
  • HCM implementation projects (Greece, Bulgaria, Romania, Belgium)
  • LSO implementation projects (Germany, Netherlands, France)
  • Logistics implementation project (Austria)
  • Form development for delivery notes (Adobe in LE and MM)
  • Interface development (MM, SD master data with IDoc)
Sep 2005 - Jun 2007
1 year 10 months
Hungary

Senior SAP Consultant / ABAP Developer

Capgemini

  • OMV Austria SAP upgrade and harmonization (Jan 2006 – Apr 2007)
  • Le Belier Hungary SAP rollout (Sept 2005 – Dec 2005)
  • Various developments in FI, CO, MM, SD, PM
  • SAPScript form development (SD invoice, FI dunning notice)
  • User exit and screen exit development (PM)
  • ALV report development (MM, SD)
  • Call transaction development (MM, CO)
  • Customizing of the FI module (G/L, A/P, A/R)
  • ABAP development (user exits, bank interface)
Jul 2002 - Aug 2005
3 years 2 months
Hungary

Senior SAP Consultant

Sanofi-Aventis

  • SAP support and projects in the accounting department (FI module customizing)
  • Sub-project leadership and management of ABAP developments
  • Upgrade project (2004) as key user team manager and testing manager
  • Implementation of new concepts in SAP (FI, AM, CO)
  • ALV reports (FI, AM, CO)
  • Batch input and call transaction development
  • BAPI development for interfaces to external workflow systems
Jul 2001 - May 2002
11 months
Hungary

SAP Consultant

Freelancer

  • Xerox Norway implementation project (Jan 2002 – May 2002): FI and AM customizing and uploading the old asset master
  • Xerox Eastern Europe and Ireland support project (Sept 2001 – Dec 2001): SAP customizing FI, AM
  • Europapier Hungary reimplementation project (Jul 2001 – Aug 2001): FI and AM customizing and ABAP development (open item aging, batch input, data correction in SD)
Jan 1999 - Jun 2001
2 years 6 months
Hungary

SAP Consultant

Masterfoods

  • First level SAP support for 10 countries and 500+ users
  • Customizing in FI, AM, CO

Summary

25+ years of experience as an ABAP/ABAP-OO (since 2006) developer and SAP consultant (FI, AM - 1999-2006). Development experience in FI, AM, CO, PS, HCM, MM, SD, LE, TM, IS-Retail, FMS, AIF, and S/4HANA. Performance-optimized programming, UML, OO design patterns, SOLID, Clean Code, code review, unit testing, test driven development, agile methods, Scrum. Consulting experience in FI, AM and CO (customizing and process knowledge).

Skills

  • Reports (Classic And Alv/alv-oo, Simple And Interactive, Using Mvc)

  • Dialog Programming (Using Mvc), Webdynpro

  • Batch Input / Call Transaction Programming

  • Interfaces (Bapi (Business Objects), Rfc, Idoc, Ale, Web Service, Xml), Mapping With Aif

  • Enhancements (User Exit, Badi, Bte)

  • Forms (Sapscript, Smart Forms, Adobe Forms With Javascript)

  • Abap On Hana, Cds Views, Amdp, Native Hana, Sqlscript

  • Eclipse Adt, Hana Studio, Vs Code, Git

  • Own Software Development In Java, Android And Python (Analytical Software And App For Bridge)

  • Competitive Programming Projects.

  • Web Development (Html, Css, Javascript)

  • Bridge Hobby (1999-2000: Junior (U25) National Player For Hungary)

Languages

Hungarian
Native
German
Advanced
English
Advanced

Education

Oct 1997 - Jun 1998

István Széchenyi University

Diploma in Economics · Győr, Hungary

Oct 1993 - Jun 1997

Budapest University of Economics

Completed 6 semesters · Budapest, Hungary

Oct 1989 - Jun 1993

Lehel Vezér High School

High school diploma · Jászberény, Hungary

Profile

Created
Last Update
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

Do you have questions? Here you can find further information.

Where is József based?

József is based in Beilstein, Germany and prefers 100% remote projects.

What languages does József speak?

József speaks the following languages: Hungarian (Native), German (Advanced), English (Advanced).

How many years of experience does József have?

József has at least 25 years of experience. During this time, József has worked in at least 5 different roles and for 13 different companies. The average length of individual experience is 1 year and 11 months. Note that József may not have shared all experience and actually has more experience.

What roles would József be best suited for?

Based on recent experience, József would be well-suited for roles such as: Interim ABAP-OO Developer, ABAP-OO Developer, Senior SAP Consultant / ABAP Developer.

What is József's latest experience?

József's most recent position is Interim ABAP-OO Developer at Interdiscount.

What companies has József worked for in recent years?

In recent years, József has worked for Interdiscount and Fleurop AG.

Which industries is József most experienced in?

József is most experienced in industries like Retail, Pharmaceutical, and Food and Beverage. József also has some experience in Automotive, Tourism and Hospitality, and Energy.

Which business areas is József most experienced in?

József is most experienced in business areas like Information Technology (IT), Finance, and Project Management. József also has some experience in Accounting, Supply Chain Management, and Product Development.

Which industries has József worked in recently?

József has recently worked in industries like Retail.

Which business areas has József worked in recently?

József has recently worked in business areas like Information Technology (IT) and Supply Chain Management.

What is József's education?

József holds a Bachelor from István Széchenyi University.

What is the availability of József?

József is immediately available full-time for suitable projects.

What is the rate of József?

József's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire József?

To hire József, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
300
Market avg: 860-1020 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.