All-stack SAP technische Beratung/Umsetzung
Aktualisiert am 28.09.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.11.2026
Verfügbar zu: 100%
davon vor Ort: 40%
ABAP
Java
Javascript
Angular
Node.js
Cloud
Integration
Hybris
Commerce
Analytics
German
fluent
English
fluent
Chinese
mother tongue

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

3 Jahre 7 Monate
2023-03 - heute

Consultation on the modernization of technologies

Developer, Architect ABAP SD Module ABAP MM Module ABAP DMS Module ...
Developer, Architect
Consultation on the modernization of technologies and their integration into the highly
customized SAP ECC ERP software
  • Design and implement a software solution to create documents by integrating SAP ABAP and open-source technologies
  • Perform data-model optimization of legacy ABAP-Code, to ease the migration to S/4 HANA
  • General support on Software Infrastructure: High availability, Test automation, CI/CD, SAP Basis Administration
  • Led data migration architecture and execution in a large-scale project replacing SAP with a custom in-house software solution
ABAP SD Module ABAP MM Module ABAP DMS Module SAP NetWeaver RFC SDK Java Spring Node.js CI/CD Kubernetes Apache POI Apache FOP docx4j Document management with Dataglobal Visual Basic for Applications AI Data Migration
1 Jahr 6 Monate
2021-07 - 2022-12

Designed a high-performance day-trading MVP software

Founder Angular Node.js Artificial Intelligence ...
Founder


Angular Node.js Artificial Intelligence Geometry Quantitative Analytics Linux Scripts Cloud hosting
on request
1 Jahr 1 Monat
2020-06 - 2021-06

Carve an custom ECC logistic component

Technical lead SAP ERP ECC Logistics Data modelling ...
Technical lead

Using a micro-service architecture to carve a custom ECC logistic component out and re-implement with Non-SAP technology in OpenShift Cloud for an automobile customer as part of an S/4 HANA program

SAP ERP ECC Logistics Data modelling Java Kafka OpenShift High availability CI/CD Grafana Prometheus Agile Methods
5 Monate
2020-01 - 2020-05

Enhance and apply SAP DTV tool

Consultant, Developer SAP Data Transition Validation ABAP SAP-FI
Consultant, Developer

Enhance and apply SAP DTV tool for migration of SAP FI (financial) to S/4 HANA

SAP Data Transition Validation ABAP SAP-FI
chemistry customer
1 Jahr
2019-01 - 2019-12

SAP S/4 HANA green-field project

Development Lead SAP S/4 HANA Fiori Solution Manager ...
Development Lead

Development lead in SAP S/4 HANA green-field project in logistics context 

SAP S/4 HANA Fiori Solution Manager Development guidelines Teamscale Mobile SAP BTP XSA Agile Methods
automobile customer
9 Monate
2018-04 - 2018-12

Design integration solutions

Integration Consultant SAP Concur Salesforce SAP CPQ ...
Integration Consultant

  • Design integration solutions in a large IT landscape primarily with SAP products for a software customer using REST, SOAP and cloud integration technologies

SAP Concur Salesforce SAP CPQ SAP BTP S/4 HANA SOM SAP Billing
11 Monate
2017-05 - 2018-03

SAP-Fiori based financial leasing application

Stream Lead for Fiori Development (with hands-on tasks) SAP Portal SAP Fiori SAPUI5 ...
Stream Lead for Fiori Development (with hands-on tasks)

Lead development activities of a SAP-Fiori based financial leasing application for a telecom customer, design integrations between different components

SAP Portal SAP Fiori SAPUI5 ABAP Gateway BRF+ Workflow
telecom customer
6 Monate
2016-11 - 2017-04

Implementation of a subscription-based web shop

Consultant and Developer SAP Hybris Commerce 6.1 Java Spring Data Hub ...
Consultant and Developer

  • Implementation of a subscription-based web shop for a customer in software industry, design cloud integrations with SAP Fieldglass

SAP Hybris Commerce 6.1 Java Spring Data Hub Jenkins Integration with SAP Fieldglass Agile Methods
4 Monate
2016-07 - 2016-10

Implementation of a web shop

Consultant and Developer SAP Hybris Commerce 6.1 Java Spring Jenkins ...
Consultant and Developer
  • Implementation of a web shop for a customer in food industry
SAP Hybris Commerce 6.1 Java Spring Jenkins Data Hub Integration with CRM Agile Methods
food industry
10 Monate
2015-09 - 2016-06

Implementation of financial Profit and Loss Analytic Application

Senior Developer SAPUI5 HANA XSC ...
Senior Developer
  • Implementation of financial Profit and Loss Analytic Application as SAP standard product
SAPUI5 HANA XSC Calculation Views OData Services FI/CO SQL Performance analysis Agile Methods
1 Jahr
2014-09 - 2015-08

Design and Implementation of telemetry data search infrastructure

Lead Developer HANA XSC CDS Views ...
Lead Developer

HANA XSC CDS Views SQL SQL-script Python C++ Performance analysis
automobile customer
7 Monate
2014-02 - 2014-08

Build a POC of data replication in HANA database for a fail-over scenario

Senior Developer SAP ECC SQL SCALA ...
Senior Developer
Build a POC of data replication in HANA database for a fail-over scenario to be demonstrated in Sapphire
SAP ECC SQL SCALA C++ System Replication
5 Jahre 7 Monate
2008-07 - 2014-01

Develop, extend, optimize SAP Java Virtual Machine

Developer Compiler Java JVM ...
Developer
  • Develop, extend, optimize SAP Java Virtual Machine
Compiler Java JVM Performance analysis CPU architecture C/C++ Assembly
1 Jahr 11 Monate
2006-09 - 2008-07

Development of a new ABAP compiler infrastructure

Developer C/C++ Compiler ABAP
Developer

C/C++ Compiler ABAP
4 Jahre 6 Monate
2002-04 - 2006-09

Development of a VHDL simulation software

Senior Developer EDA VHDL Compiler ...
Senior Developer

EDA VHDL Compiler C/C++ Assembly Performance analysis Software testing Software porting Software quality

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 7 Monate
1999-09 - 2002-03

Computer science

Master's degree, Tongji University, SHANGHAI, CHINA
Master's degree
Tongji University, SHANGHAI, CHINA

pattern recognition and intelligence system

3 Jahre 11 Monate
1993-09 - 1997-07

Physics

Bachelor's degree, Jilin University, Changchun China
Bachelor's degree
Jilin University, Changchun China

theoretical physics

Position

Position

  • Entwickler
  • Architekt
  • Technische Leitung

Kompetenzen

Kompetenzen

Top-Skills

ABAP Java Javascript Angular Node.js Cloud Integration Hybris Commerce Analytics

Produkte / Standards / Erfahrungen / Methoden

Work Experiences

03/2023 ? today

Role: FREELANCER

Customer: PHARMA CUSTOMER, MANNHEIM, GERMANY


Tasks:

  • Consultation on the modernization of technologies and their integration into the highly customized SAP ECC ERP software


06/2021 - 12/2022:

Role: Founder

Customer: on request, Mannheim


Tasks:

  • Designed a high performance day-trading software for stock market: HTML on request


04/2018 - 06/2021:

Role: SENIOR DELIVERY ARCHITECT

Customer: Capgemini GmbH, Frankfurt


Tasks:

  • Technical lead in SAP S/4 HANA implementation projects 
  • Design and development in Cloud Migration projects 
  • Pre-sales support for SAP commerce cloud bids


05/2017 - 03/2018

Role: SENIOR CONSULTANT

Customer: Sopra Steria, Frankfurt


Tasks:

  • Lead development activities of a SAP-Fiori based financial leasing application for a telecom customer


06/2016 - 04/2017

Role: CONSULTANT

Customer: Ecenta AG, Walldorf


Tasks:

  • Development and extend SAP Hybris Commerce for different customers
  • Design and development interfaces between SAP Hybris Commerce and external systems 
  • Develop SAPUI5-based mobile app for a customer


09/2006 - 05/2016

Role: SENIOR DEVELOPER

Customer: SAP EG, SHANGHAI, WALLDORF, POTSDAM


Tasks:

  • Extending SAP ABAP compiler infrastructure 
  • Developing Just-In-Time compiler as part of SAP Java Virtual Machine team 
  • Researching SAP HANA asynchronous data replication 
  • Lead development in a HANA based data analytics project 
  • Developing the user interface and performing optimization of an analytical financial application


04/2002 - 08/2006

Role: SENIOR DEVELOPER

Customer: Synopsys GmbH, SHANGHAI, CHINA


Tasks:

  • Design, develop, optimize, test, maintain a large-scale electronic design automation(EDA) software

Branchen

Branchen

  • Automotive
  • Pharmaceuticals
  • Software / Software Development
  • Chemicals
  • Telecommunications
  • Food Industry
  • Financial Services / Stock Market

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

3 Jahre 7 Monate
2023-03 - heute

Consultation on the modernization of technologies

Developer, Architect ABAP SD Module ABAP MM Module ABAP DMS Module ...
Developer, Architect
Consultation on the modernization of technologies and their integration into the highly
customized SAP ECC ERP software
  • Design and implement a software solution to create documents by integrating SAP ABAP and open-source technologies
  • Perform data-model optimization of legacy ABAP-Code, to ease the migration to S/4 HANA
  • General support on Software Infrastructure: High availability, Test automation, CI/CD, SAP Basis Administration
  • Led data migration architecture and execution in a large-scale project replacing SAP with a custom in-house software solution
ABAP SD Module ABAP MM Module ABAP DMS Module SAP NetWeaver RFC SDK Java Spring Node.js CI/CD Kubernetes Apache POI Apache FOP docx4j Document management with Dataglobal Visual Basic for Applications AI Data Migration
1 Jahr 6 Monate
2021-07 - 2022-12

Designed a high-performance day-trading MVP software

Founder Angular Node.js Artificial Intelligence ...
Founder


Angular Node.js Artificial Intelligence Geometry Quantitative Analytics Linux Scripts Cloud hosting
on request
1 Jahr 1 Monat
2020-06 - 2021-06

Carve an custom ECC logistic component

Technical lead SAP ERP ECC Logistics Data modelling ...
Technical lead

Using a micro-service architecture to carve a custom ECC logistic component out and re-implement with Non-SAP technology in OpenShift Cloud for an automobile customer as part of an S/4 HANA program

SAP ERP ECC Logistics Data modelling Java Kafka OpenShift High availability CI/CD Grafana Prometheus Agile Methods
5 Monate
2020-01 - 2020-05

Enhance and apply SAP DTV tool

Consultant, Developer SAP Data Transition Validation ABAP SAP-FI
Consultant, Developer

Enhance and apply SAP DTV tool for migration of SAP FI (financial) to S/4 HANA

SAP Data Transition Validation ABAP SAP-FI
chemistry customer
1 Jahr
2019-01 - 2019-12

SAP S/4 HANA green-field project

Development Lead SAP S/4 HANA Fiori Solution Manager ...
Development Lead

Development lead in SAP S/4 HANA green-field project in logistics context 

SAP S/4 HANA Fiori Solution Manager Development guidelines Teamscale Mobile SAP BTP XSA Agile Methods
automobile customer
9 Monate
2018-04 - 2018-12

Design integration solutions

Integration Consultant SAP Concur Salesforce SAP CPQ ...
Integration Consultant

  • Design integration solutions in a large IT landscape primarily with SAP products for a software customer using REST, SOAP and cloud integration technologies

SAP Concur Salesforce SAP CPQ SAP BTP S/4 HANA SOM SAP Billing
11 Monate
2017-05 - 2018-03

SAP-Fiori based financial leasing application

Stream Lead for Fiori Development (with hands-on tasks) SAP Portal SAP Fiori SAPUI5 ...
Stream Lead for Fiori Development (with hands-on tasks)

Lead development activities of a SAP-Fiori based financial leasing application for a telecom customer, design integrations between different components

SAP Portal SAP Fiori SAPUI5 ABAP Gateway BRF+ Workflow
telecom customer
6 Monate
2016-11 - 2017-04

Implementation of a subscription-based web shop

Consultant and Developer SAP Hybris Commerce 6.1 Java Spring Data Hub ...
Consultant and Developer

  • Implementation of a subscription-based web shop for a customer in software industry, design cloud integrations with SAP Fieldglass

SAP Hybris Commerce 6.1 Java Spring Data Hub Jenkins Integration with SAP Fieldglass Agile Methods
4 Monate
2016-07 - 2016-10

Implementation of a web shop

Consultant and Developer SAP Hybris Commerce 6.1 Java Spring Jenkins ...
Consultant and Developer
  • Implementation of a web shop for a customer in food industry
SAP Hybris Commerce 6.1 Java Spring Jenkins Data Hub Integration with CRM Agile Methods
food industry
10 Monate
2015-09 - 2016-06

Implementation of financial Profit and Loss Analytic Application

Senior Developer SAPUI5 HANA XSC ...
Senior Developer
  • Implementation of financial Profit and Loss Analytic Application as SAP standard product
SAPUI5 HANA XSC Calculation Views OData Services FI/CO SQL Performance analysis Agile Methods
1 Jahr
2014-09 - 2015-08

Design and Implementation of telemetry data search infrastructure

Lead Developer HANA XSC CDS Views ...
Lead Developer

HANA XSC CDS Views SQL SQL-script Python C++ Performance analysis
automobile customer
7 Monate
2014-02 - 2014-08

Build a POC of data replication in HANA database for a fail-over scenario

Senior Developer SAP ECC SQL SCALA ...
Senior Developer
Build a POC of data replication in HANA database for a fail-over scenario to be demonstrated in Sapphire
SAP ECC SQL SCALA C++ System Replication
5 Jahre 7 Monate
2008-07 - 2014-01

Develop, extend, optimize SAP Java Virtual Machine

Developer Compiler Java JVM ...
Developer
  • Develop, extend, optimize SAP Java Virtual Machine
Compiler Java JVM Performance analysis CPU architecture C/C++ Assembly
1 Jahr 11 Monate
2006-09 - 2008-07

Development of a new ABAP compiler infrastructure

Developer C/C++ Compiler ABAP
Developer

C/C++ Compiler ABAP
4 Jahre 6 Monate
2002-04 - 2006-09

Development of a VHDL simulation software

Senior Developer EDA VHDL Compiler ...
Senior Developer

EDA VHDL Compiler C/C++ Assembly Performance analysis Software testing Software porting Software quality

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 7 Monate
1999-09 - 2002-03

Computer science

Master's degree, Tongji University, SHANGHAI, CHINA
Master's degree
Tongji University, SHANGHAI, CHINA

pattern recognition and intelligence system

3 Jahre 11 Monate
1993-09 - 1997-07

Physics

Bachelor's degree, Jilin University, Changchun China
Bachelor's degree
Jilin University, Changchun China

theoretical physics

Position

Position

  • Entwickler
  • Architekt
  • Technische Leitung

Kompetenzen

Kompetenzen

Top-Skills

ABAP Java Javascript Angular Node.js Cloud Integration Hybris Commerce Analytics

Produkte / Standards / Erfahrungen / Methoden

Work Experiences

03/2023 ? today

Role: FREELANCER

Customer: PHARMA CUSTOMER, MANNHEIM, GERMANY


Tasks:

  • Consultation on the modernization of technologies and their integration into the highly customized SAP ECC ERP software


06/2021 - 12/2022:

Role: Founder

Customer: on request, Mannheim


Tasks:

  • Designed a high performance day-trading software for stock market: HTML on request


04/2018 - 06/2021:

Role: SENIOR DELIVERY ARCHITECT

Customer: Capgemini GmbH, Frankfurt


Tasks:

  • Technical lead in SAP S/4 HANA implementation projects 
  • Design and development in Cloud Migration projects 
  • Pre-sales support for SAP commerce cloud bids


05/2017 - 03/2018

Role: SENIOR CONSULTANT

Customer: Sopra Steria, Frankfurt


Tasks:

  • Lead development activities of a SAP-Fiori based financial leasing application for a telecom customer


06/2016 - 04/2017

Role: CONSULTANT

Customer: Ecenta AG, Walldorf


Tasks:

  • Development and extend SAP Hybris Commerce for different customers
  • Design and development interfaces between SAP Hybris Commerce and external systems 
  • Develop SAPUI5-based mobile app for a customer


09/2006 - 05/2016

Role: SENIOR DEVELOPER

Customer: SAP EG, SHANGHAI, WALLDORF, POTSDAM


Tasks:

  • Extending SAP ABAP compiler infrastructure 
  • Developing Just-In-Time compiler as part of SAP Java Virtual Machine team 
  • Researching SAP HANA asynchronous data replication 
  • Lead development in a HANA based data analytics project 
  • Developing the user interface and performing optimization of an analytical financial application


04/2002 - 08/2006

Role: SENIOR DEVELOPER

Customer: Synopsys GmbH, SHANGHAI, CHINA


Tasks:

  • Design, develop, optimize, test, maintain a large-scale electronic design automation(EDA) software

Branchen

Branchen

  • Automotive
  • Pharmaceuticals
  • Software / Software Development
  • Chemicals
  • Telecommunications
  • Food Industry
  • Financial Services / Stock Market

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