Stefan Christoph

• Owning the Systems Architecture of Vodafone Global Consumer Products offering. • Guiding and Reviewing the Architecture of the individual Product Offers. • Technical alignment with local Operating Companies to ensure successful commercial launch of services. • Definition, proof-of-concept implementation and transformation to production of an API exposure platform that provides external developers with API access to Vodafone capabilities. • Monitoring and assessment of upcoming technologies. • Drive introduction and adaptation of API Strategy, Cloud Services and Microservices Architecture Style to the organization. • Shaping the Technology Strategy for Vodafone Consumer Products and Services. • High-Level Design for strategic products

Pre- and Post-Sales consulting for digital signatures based products of the AuthentiDate product portfolio. The products are part of electronic billing processes, EDM/DMS- and scan capture solutions (OEM integration). Technical project lead, conceptual design of customer integration projects and training.

Software Systems Architect for 2G-, 2.5G- and 3G- mobile phones platforms. Technical evaluation of requirements, suppliers and product road map. Analysis and maintenance of platform architectures. My focus was on Personal Information Management (PIM), Browser and location based services (LBS).

I joined the Personal Information Management (PIM) team of the 2G-platform of Siemens Mobile for the 55, 65, 75 and 85 Generation of mobile phones in various roles. The PIM project supplied the Address book, the Organizer, the Call Records, a number of small Applications and the database system to the mobile devices software. The project was driven on multiple sites in Germany, Netherlands, China, India and Brazil. Implementation was done in C and Java. Later I was working in the Core Integration Team (CIT) for the 2G-platform of BenQ. Responsible for solving technical problems on target hardware and managing solving process of inter-component problems. The development team was mainly distributed on the following sites: Germany (Munich, Ulm, Kamp-Lintfort), Denmark (Aalborg), China (Beijing) and Brazil (Manaus) Finally I was member of the Core Integration Team (CIT) for the 3G-platform of BenQ. My Responsibilities were: ● Solving technical integration problems in close contact to the development teams in Wroclaw (Poland), Kamp-Lintfort (Germany) and San Diego (Qualcomm, USA). ● on site and remote support of development team in Wroclaw as senior developer ● 2 month on site support of Qualcomm and BenQ Developer in San Diego, USA ● direct support for Integration Manager and Software Project Leader ● factory support

I was part of a small software development team which developed messaging systems for SMS and Email. Implementation was done in Java, Perl and C. XP was the development process. Among others the following projects have been realized successfully: ● MTV-Ring tones platform: Enable the user to order a ring tone from the MTV-Charts by dialling a dedicated phone number. The ring tone was delivered via SMS directly on the user’s mobile phone. ● Messaging platform: High quality messaging platform for sending SMS and email for different customers.

Evolutionary algorithms, randomized algorithms, one year project group „Fußballspielende kooperative Multiagentensysteme“