Hassan Yassine - SAP Application Developer

Q: Where is Hassan based?

Hassan is based in Altdorf, Germany and prefers 100% remote projects.

Q: What languages does Hassan speak?

Hassan speaks the following languages: Arabic (Native), German (Native), English (Advanced) .

Q: How many years of experience does Hassan have?

Hassan has at least 20 years of experience. During this time, Hassan has worked in at least 8 different roles and for 10 different companies . The average length of individual experience is 2 years . Note that Hassan may not have shared all experience and actually has more experience.

Q: What is Hassan's latest experience?

Hassan's most recent position is SAP Application Developer at DEKRA SE .

Q: What companies has Hassan worked for in recent years?

In recent years, Hassan has worked for DEKRA SE and Incept4 GmbH .

Q: Which industries is Hassan most experienced in?

Hassan is most experienced in industries like Information Technology (IT) , Tourism and Hospitality , and Automotive . Hassan also has some experience in Professional Services , Telecommunication , and Manufacturing .

Q: Which business areas is Hassan most experienced in?

Hassan is most experienced in business areas like Information Technology (IT) , Project Management , and Customer Service . Hassan also has some experience in Quality Assurance (QA) , Finance , and Accounting .

Q: Which industries has Hassan worked in recently?

Hassan has recently worked in industries like Professional Services and Information Technology (IT) .

Q: Which business areas has Hassan worked in recently?

Hassan has recently worked in business areas like Information Technology (IT) , Project Management , and Quality Assurance (QA) .

Recommended expert

Altdorf, Germany

Experience

Jan 2022 - Jun 2024

2 years 6 months

SAP Application Developer

DEKRA SE

SAP module support, with a focus on FI, CO, SD modules
Advising business units as part of requirements gathering
Assessing and identifying optimization potentials and developing solution proposals, planning, managing, and tracking solution implementation with both external service providers and internal project stakeholders
Analyzing, optimizing, and automating business processes and systems by developing customer enhancements and OO ABAP programs in the SAP environment
Supporting and implementing migration from legacy systems to SAP
Supporting S/4HANA migration projects
Advising and designing SAP security concepts and identifying optimization potentials
Designing and implementing technical solutions in the SAP environment, including creating technical concepts and specifications
Developing interfaces to other systems and applications
Creating training materials and training employees on new SAP applications
Conducting code reviews and quality assurance measures
Supporting error analysis and troubleshooting
Planning and implementing test strategies and performing functional tests

Jan 2021 - Dec 2021

1 year

SAP Application Consultant

Incept4 GmbH

SAP module support, especially in FI, CO, SD, MM, HR, cProjects modules
Advising business units as part of requirements gathering
Assessing and identifying optimization potentials and developing solution proposals, planning, managing, and tracking solution implementation with both external service providers and internal project stakeholders
Consulting and user support in the business units after go-live of process/system changes (updates, upgrades) and requirement-based further development
Supporting business units in documenting business processes and interfaces, including cost-benefit evaluation
Incident management within third-level support in daily operations (error analysis and resolution)
Single point of contact for project portfolio management (PPM, cProjects)
Evaluating and commissioning external service providers
Analyzing and supporting the business unit in creating functional specifications

Jan 2016 - Nov 2020

4 years 11 months

SAP Application Consultant

Mercedes-Benz Customer Solutions GmbH (Daimler AG)

SAP module support, especially in FI, CO, SD, MM, HR, cProjects modules
Advising business units as part of requirements gathering
Assessing and identifying optimization potentials and developing solution proposals, planning, managing, and tracking solution implementation with both external service providers and internal project stakeholders
Consulting and user support in the business units after go-live of process/system changes (updates, upgrades) and requirement-based further development
Supporting business units in documenting business processes and interfaces, including cost-benefit evaluation
Incident management within third-level support in daily operations (error analysis and resolution)
Single point of contact for project portfolio management (PPM, cProjects)
Evaluating and commissioning external service providers
Analyzing and supporting the business unit in creating functional specifications

Mar 2015 - Dec 2015

10 months

SAP Application Consultant

Hahn+Kolb GmbH (Würth Gruppe)

SAP module support, especially in SD, MM, FI modules
Incident management within third-level support in daily operations (error analysis and resolution)
Form development (Adobe Forms, Smartforms, SAPScript, print programs)
Checking and adjusting customizing settings as needed
Collaborating in projects

Mar 2012 - Feb 2015

3 years

ABAP Developer

Wollschläger GmbH & Co. KG

Implementing programming requirements
Developing/programming in ABAP (including OO)
Especially in FI, MM, SD, EWM modules
Performing functional tests on new developments
Incident management within third-level support in daily operations (error analysis and resolution)
Form development (Adobe Forms, Smartforms, SAPScript, print programs)
Checking and adjusting customizing settings as needed
Collaborating in projects

May 2011 - Feb 2012

10 months

SAP Consultant

analogico GmbH

Implementation of programming requirements
Developing/programming in ABAP (including OO), especially in the FI and CO modules
Functional testing of new developments
Reviewing and, if necessary, adjusting settings in customizing
Collaborating in projects

Dec 2009 - Aug 2010

9 months

IT Systems Salesperson

Ya!Soft GmbH

Analyzing and designing information and telecommunications systems, including cost-benefit analysis and effort estimation
Advising and assisting in specifying requirements for existing and new IT solutions and relevant interfaces
Installing information and telecommunications systems
Modeling using UML 2.0, database adjustments (SQL)

Mar 2006 - Nov 2008

2 years 9 months

Commercial Assistant in Front Office / Reservations

ACCOR Hospitality GmbH

Handling reservation correspondence
Assisting international guests
Generating and preparing lists for departments
Managing check-in and check-out
Managing shifts and cash operations
Conducting inventory counts
Training new employees and trainees
Preparing invoices and daily closing statements
Managing accounts receivable and accounts payable
Performing installations and updates on local PCs, network administration (TARS Database)
SQL adjustments in TARS Database

Jan 2005 - Feb 2006

1 year 2 months

Self-employed

Self-employed in telecommunications trade

Advising customers on telecommunications services and products
Listing services and products in the online shop
Preparing quotes and managing contract correspondence

Jul 2002 - Dec 2004

2 years 6 months

Commercial Assistant in Front Office

Solmelia Deutschland GmbH

Handling reservation correspondence
Assisting international guests
Generating and preparing lists for departments
Managing check-in and check-out
Managing shifts and cash operations
Conducting inventory counts
Training new employees and trainees
Preparing invoices and daily closing statements
Managing accounts receivable and accounts payable

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (5.5 years), Automotive (5 years), Tourism (5 years), Professional Services (4 years), Manufacturing (1 year), and Telecommunication (1 year).

Information Technology

Automotive

Tourism

Professional Services

Manufacturing

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (16.5 years), Project Management (8.5 years), Customer Service (6.5 years), Quality Assurance (6 years), Finance (5.5 years), and Accounting (5 years).

Information Technology

Project Management

Customer Service

Quality Assurance

Finance

Accounting

Skills

Sap Modules: Co, Fi, Hr, Mm, Sd (Focus)
Programming Languages: Abap/4 (Expert), Abap Objects / Oo (Expert), Sqlscript (Good Knowledge), Javascript (Basic Knowledge), Java (Basic Knowledge)
Sap Form Technologies: Smartforms (Expert), Sapscript (Very Good Knowledge), Adobe Forms (Good Knowledge)
Driving License Categories: B, C1, Be, C1e >12 T, Ce, M, L

Languages

Arabic

Native

German

Native

English

Advanced

Education

Aug 1999 - Jul 2002

Sophie Scholl Vocational College

Technical secondary school certificate · Duisburg, Germany

Aug 1999 - Jul 2002

ACCOR Hotellerie Deutschland GmbH

Hotel specialist · Hotel management · Duisburg, Germany

Aug 1997 - Jul 1998

Mercator Commercial School

Moers, Germany

...and 2 more

Certifications & licenses

S4Hana: GW100 – SAP Gateway – Buiding OData Services

SAP AG, Vienna

S4Hana: HA450 – Application Development For SAP

SAP AG, Vienna

S4Hana: WDE390 – Buiding Fiori Apps

SAP AG, Walldorf

S4Hana: WDE370 – Advanced SAPUI5 Development

SAP AG, Walldorf

BC480 – PDF-based print forms Adobe Forms

SAP AG, Walldorf

BC481 – SIFBA PDF-based print forms Adobe Interactive Forms

SAP AG, Walldorf

S4Hana: WDE360 – Developing Interfaces with SAPUI5

SAP AG, Walldorf

S4Hana: HA400 – ABAP Programming For SAP Hana

SAP AG, Walldorf

S4Hana: HA300 – SAP HANA Modeling

SAP AG, Hamburg

S4Hana: WDE300 - Basics of web development with JavaScript, HTML5 and CSS3

SAP AG, Hamburg

Sapscript (BC460)

SAP AG, Walldorf

Smartforms (BC470)

SAP AG, Walldorf

Profile

Created

September 2024

Last Update

September 2025

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Frequently asked questions

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

Where is Hassan based?

Hassan is based in Altdorf, Germany and prefers 100% remote projects.

What languages does Hassan speak?

Hassan speaks the following languages: Arabic (Native), German (Native), English (Advanced).

How many years of experience does Hassan have?

Hassan has at least 20 years of experience. During this time, Hassan has worked in at least 8 different roles and for 10 different companies. The average length of individual experience is 2 years. Note that Hassan may not have shared all experience and actually has more experience.

What roles would Hassan be best suited for?

Based on recent experience, Hassan would be well-suited for roles such as: SAP Application Developer, SAP Application Consultant, ABAP Developer.

What is Hassan's latest experience?

Hassan's most recent position is SAP Application Developer at DEKRA SE.

What companies has Hassan worked for in recent years?

In recent years, Hassan has worked for DEKRA SE and Incept4 GmbH.

Which industries is Hassan most experienced in?

Hassan is most experienced in industries like Information Technology (IT), Tourism and Hospitality, and Automotive. Hassan also has some experience in Professional Services, Telecommunication, and Manufacturing.

Which business areas is Hassan most experienced in?

Hassan is most experienced in business areas like Information Technology (IT), Project Management, and Customer Service. Hassan also has some experience in Quality Assurance (QA), Finance, and Accounting.

Which industries has Hassan worked in recently?

Hassan has recently worked in industries like Professional Services and Information Technology (IT).

Which business areas has Hassan worked in recently?

Hassan has recently worked in business areas like Information Technology (IT), Project Management, and Quality Assurance (QA).

What is Hassan's education?

Hassan attended Sophie Scholl Vocational College.

Does Hassan have any certificates?

Hassan has 12 certificates. Among them, these include: S4Hana: GW100 – SAP Gateway – Buiding OData Services, S4Hana: HA450 – Application Development For SAP, and S4Hana: WDE390 – Buiding Fiori Apps.

What is the availability of Hassan?

Hassan is immediately available part-time for suitable projects.

What is the rate of Hassan?

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