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Member Since: 10.10.2022

Software Architect and Agile Expert

Score
100%
Experience:
25 y
Score
100%
Experience:
25 y
Location:
D-53123 Bonn
Last update:
27.10.2022
Register to Contact Freelancer
Available
Onsite hourly: 0 $
Remote hourly: 125 $
German: Native
English: Native
EMEA
Lead architecture, development, and documentation teams, co-operate with external contractors, enable teams to adopt agile methods and businesses to reach their goals.
JAVA Domain Driven Design Agile Coaching Agile Software Development REST APIs Spring Boot Microservices Software Architecture GraphQL DevOps
MS-SQL Oracle Ansible Kanban Maven Git OpenStack IaC YAML MySQL Mongo DB IntelliJ SQL PostgreSQL Linux iOS Eclipse Jenkins SonarQube Docker JSON Android WSDL XSLT Enterprise Architect ERM EPK Vagrant IoT XML
01.04.2022 — 31.05.2022
AOK Systems
INSURANCE
Software Architect and Developer
Bridging SAP and the services and products available over the internet, e.g., Electronic Health Record.

Developed the architectural solution using Domain Driven design, resulting in a prototype and significant simplification and faster implementation of the publicly available products and services.
01.04.2021 — 31.03.2022
RTL
MEDIA
Solutions Architect
Streaming video, music, audio books, podcast and digital magazines for millions of users.
Developed the overall architecture based on event storming and Domain Driven Development, resulting in increased speed of implementation by massive parallelization and independent teams delivering a one-stop product for all media types. Led the technical integration with the music service provider, resulting in a specific GraphQL API implementation. Moderated and prepared the architectural decisions on the product level resulting in a number of Architecture Decision Records, which have been implemented by the teams. Evaluated the technical and product risks, resulting in counter measures and the transparency for all involved.
01.08.2020 — 31.01.2021
AOK Systems
INSURANCE
Software Developer
Services managing all the patient health data of the AOK and other connected insurances insurees in tight cooperation with a central SAP system.

Refined, estimated and implemented user stories resulting in microservices providing health record functionality. Initiated and took part in improvement of the working processes and tools inside the team, resulting in higher quality of the delivered software and improved overall development speed. Initiated knowledge transfer to the junior colleagues resulting in a higher overall proficiency of the team.
01.12.2015 — 30.04.2016
Cisco Systems, Inc
IT
Product Manager
An IoT platform for connecting, measuring and management of IoT enabled devices and analyzing the delivered data with focus on site management.
Developed product strategy, managed the product development throughout the complete life cycle, analyzed the potential partnerships, explored and prioritized product requirements together with the customers, sales engineers and management, created and harmonized the product road maps, constantly followed the engineering process and supported the decision making. Resulted in clear vision, improved release cycle, improved identification of the customer with the product, higher customer satisfaction.
01.03.2014 — 30.11.2015
Cisco Systems, Inc
IT
Systemanalyst und Scrum Master
An IoT platform for connecting, measuring and management of IoT enabled devices and analyzing the delivered data with focus on site management. Created, updated and maintained detailed design, engineering, functional, architectural and test specification documents for the entire product and software service portfolio as well as cloud offerings. Ensured that all specifications meet Cisco’s standards and procedures regarding software quality, security, performance and accessibility. Provided input for certifications and compliances for various industry standards. Resulted in regular releases of new product versions for cloud and on premise installations with improved overall product quality. Introduced Scrum to the documentation team, restructured the entire product documentation, coordinated the engineering with the documentation team. Ensured that the documentation meets Cisco´s standards and quality requirements. Resulted in significantly improved documentation and processes for cloud and on premise product.
01.10.2012 — 31.07.2013
Deutsche Post DHL AG
TRANSPORT
Software Architect and Development Coordinator
Migration of the Mobile hand scanner solution for the support of documentation of delivery processes for parcels and letters (36.000 active users/mobile devices) to Honeywell hardware. Developed the architecture, coordinated the development team and the hardware vendor. Resulted in software release on new hardware with mobile printing.

Mobile client for parcel collection through DPDHL partner shops on Motorola hardware (10.000 active users). Developed the migrations ideas and architecture of front end and back end. Resulted in high-performance software with excellent user experience and acceptance at minimal cost.
31.07.2012 — 31.07.2015
Bosnisches Kochbuch (Bosanska Sofra)
MEDIA
Entrepreneur
Bosnian Cookbook (Bosanska Sofra): Developed the business model, product idea, marketing strategy and application design. Implemented the app. Resulted in android and iOS apps being published and sold.
01.09.2008 — 30.06.2012
Deutsche Post DHL AG
TRANSPORT
Software Architect
Due Diligence for different targets. Led the working group, reviewed architecture, technologies, source code and development processes. Resulted in a purchase recommendation.
Web platform for online marketing of medium-sized companies. Analyzed, designed and documented the interface for external usage of the platform. Resulted in an API specification.
Mobile hand scanner solution for the support of documentation of delivery processes (targeted for 50.000 users/mobile devices). Led a mixed (internal/external) team and developed software architecture. Resulted in a blueprint for and in an implemented optimized software solution.
Mobile hand scanner solution for the support of documentation of delivery processes for parcels and letters (36.000 active users/mobile devices). Led the architecture team. Reimplemented the software on a newly developed architecture. Resulted in several releases of significantly improved software.
Application for calculation of staffing needs.Developed a road map and documented the current architecture, modeled use cases and business data. Resulted in a road map and software documentation.
01.01.2007 — 31.07.2008
startext Unternehmensberatung GmbH
OTHERS
Software Designer and Developer
Web application for archival storage.
Re-designed the central module, implemented new features and integrated them in the existing product. Resulted in better performance of software, new software product and a framework.

Web application (archiving) for Kölner Stadtarchiv.
Analyzed and documented the requirements, followed by the design and implementation of the software. Integrated the software on the site. Resulted in meeting customer requirements and improved customer relations.

Wiener Archivierungs- und Informationssystem – Web application for archiving.
Maintained the software and assured the operational software quality. Resulted in stable software releases.
01.02.2005 — 31.07.2006
SRC - Security Research and Consulting GmbH
CONSULTING
Software Developer
Validated the test concepts and implemented the HTML-UI tests.
Implemented the unit tests for mid sized web application.
Documented the data bases for different applications.
Resulted in quality assured software releases and faster development through the delivered documentation.
01.08.2000 — 31.10.2003
IRKAS Systemhaus GmbH
IT
Software Developer
Designed and implemented a support data base.
Implemented an integrated accounting system for a fax server.
Migrated and extended a protocol client for environmental engineering.
Implemented the GUI-modules for the meteorological network surveillance client.
Implemented a data base centric application for the stock planning of gas stations.

Resulted in several software releases and internal frameworks.

Description

Lead architecture, development, and documentation teams, co-operate with external contractors, enable teams to adopt agile methods and businesses to reach their goals.

Main Skills

JAVA Domain Driven Design Agile Coaching Agile Software Development REST APIs Spring Boot Microservices Software Architecture GraphQL DevOps

Other Skills

MS-SQL Oracle Ansible Kanban Maven Git OpenStack IaC YAML MySQL Mongo DB IntelliJ SQL PostgreSQL Linux iOS Eclipse Jenkins SonarQube Docker JSON Android WSDL XSLT Enterprise Architect ERM EPK Vagrant IoT XML

Work & Experience

01.04.2022 — 31.05.2022
AOK Systems
INSURANCE
Software Architect and Developer
Bridging SAP and the services and products available over the internet, e.g., Electronic Health Record.

Developed the architectural solution using Domain Driven design, resulting in a prototype and significant simplification and faster implementation of the publicly available products and services.
01.04.2021 — 31.03.2022
RTL
MEDIA
Solutions Architect
Streaming video, music, audio books, podcast and digital magazines for millions of users.
Developed the overall architecture based on event storming and Domain Driven Development, resulting in increased speed of implementation by massive parallelization and independent teams delivering a one-stop product for all media types. Led the technical integration with the music service provider, resulting in a specific GraphQL API implementation. Moderated and prepared the architectural decisions on the product level resulting in a number of Architecture Decision Records, which have been implemented by the teams. Evaluated the technical and product risks, resulting in counter measures and the transparency for all involved.
01.08.2020 — 31.01.2021
AOK Systems
INSURANCE
Software Developer
Services managing all the patient health data of the AOK and other connected insurances insurees in tight cooperation with a central SAP system.

Refined, estimated and implemented user stories resulting in microservices providing health record functionality. Initiated and took part in improvement of the working processes and tools inside the team, resulting in higher quality of the delivered software and improved overall development speed. Initiated knowledge transfer to the junior colleagues resulting in a higher overall proficiency of the team.
01.12.2015 — 30.04.2016
Cisco Systems, Inc
IT
Product Manager
An IoT platform for connecting, measuring and management of IoT enabled devices and analyzing the delivered data with focus on site management.
Developed product strategy, managed the product development throughout the complete life cycle, analyzed the potential partnerships, explored and prioritized product requirements together with the customers, sales engineers and management, created and harmonized the product road maps, constantly followed the engineering process and supported the decision making. Resulted in clear vision, improved release cycle, improved identification of the customer with the product, higher customer satisfaction.
01.03.2014 — 30.11.2015
Cisco Systems, Inc
IT
Systemanalyst und Scrum Master
An IoT platform for connecting, measuring and management of IoT enabled devices and analyzing the delivered data with focus on site management. Created, updated and maintained detailed design, engineering, functional, architectural and test specification documents for the entire product and software service portfolio as well as cloud offerings. Ensured that all specifications meet Cisco’s standards and procedures regarding software quality, security, performance and accessibility. Provided input for certifications and compliances for various industry standards. Resulted in regular releases of new product versions for cloud and on premise installations with improved overall product quality. Introduced Scrum to the documentation team, restructured the entire product documentation, coordinated the engineering with the documentation team. Ensured that the documentation meets Cisco´s standards and quality requirements. Resulted in significantly improved documentation and processes for cloud and on premise product.
01.10.2012 — 31.07.2013
Deutsche Post DHL AG
TRANSPORT
Software Architect and Development Coordinator
Migration of the Mobile hand scanner solution for the support of documentation of delivery processes for parcels and letters (36.000 active users/mobile devices) to Honeywell hardware. Developed the architecture, coordinated the development team and the hardware vendor. Resulted in software release on new hardware with mobile printing.

Mobile client for parcel collection through DPDHL partner shops on Motorola hardware (10.000 active users). Developed the migrations ideas and architecture of front end and back end. Resulted in high-performance software with excellent user experience and acceptance at minimal cost.
31.07.2012 — 31.07.2015
Bosnisches Kochbuch (Bosanska Sofra)
MEDIA
Entrepreneur
Bosnian Cookbook (Bosanska Sofra): Developed the business model, product idea, marketing strategy and application design. Implemented the app. Resulted in android and iOS apps being published and sold.
01.09.2008 — 30.06.2012
Deutsche Post DHL AG
TRANSPORT
Software Architect
Due Diligence for different targets. Led the working group, reviewed architecture, technologies, source code and development processes. Resulted in a purchase recommendation.
Web platform for online marketing of medium-sized companies. Analyzed, designed and documented the interface for external usage of the platform. Resulted in an API specification.
Mobile hand scanner solution for the support of documentation of delivery processes (targeted for 50.000 users/mobile devices). Led a mixed (internal/external) team and developed software architecture. Resulted in a blueprint for and in an implemented optimized software solution.
Mobile hand scanner solution for the support of documentation of delivery processes for parcels and letters (36.000 active users/mobile devices). Led the architecture team. Reimplemented the software on a newly developed architecture. Resulted in several releases of significantly improved software.
Application for calculation of staffing needs.Developed a road map and documented the current architecture, modeled use cases and business data. Resulted in a road map and software documentation.
01.01.2007 — 31.07.2008
startext Unternehmensberatung GmbH
OTHERS
Software Designer and Developer
Web application for archival storage.
Re-designed the central module, implemented new features and integrated them in the existing product. Resulted in better performance of software, new software product and a framework.

Web application (archiving) for Kölner Stadtarchiv.
Analyzed and documented the requirements, followed by the design and implementation of the software. Integrated the software on the site. Resulted in meeting customer requirements and improved customer relations.

Wiener Archivierungs- und Informationssystem – Web application for archiving.
Maintained the software and assured the operational software quality. Resulted in stable software releases.
01.02.2005 — 31.07.2006
SRC - Security Research and Consulting GmbH
CONSULTING
Software Developer
Validated the test concepts and implemented the HTML-UI tests.
Implemented the unit tests for mid sized web application.
Documented the data bases for different applications.
Resulted in quality assured software releases and faster development through the delivered documentation.
01.08.2000 — 31.10.2003
IRKAS Systemhaus GmbH
IT
Software Developer
Designed and implemented a support data base.
Implemented an integrated accounting system for a fax server.
Migrated and extended a protocol client for environmental engineering.
Implemented the GUI-modules for the meteorological network surveillance client.
Implemented a data base centric application for the stock planning of gas stations.

Resulted in several software releases and internal frameworks.

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