You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Christian SpannerCS

Christian Spanner

Software Architect, Project Manager

€850/day
München, DE
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Christian

I bring many years of experience as an architect and team leader in the analysis, design, and implementation of complex projects, as well as the management of distributed and heterogeneous teams, including in international projects.

I stand for long-lasting and resilient software design and a team culture of reliability, accuracy, enjoyment of work, pride in achievements, and, just as importantly, courage, openness, and learning from mistakes.
  • English

    Fluent

  • Spanish

    Conversational

  • French

    Conversational

  • Hindi

    Basic

  • Arabic

    Basic

  • German

    Native or bilingual

Can work on-site
München (up to 50km), Stuttgart (up to 100km), Nürnberg (up to 100km), Frankfurt am Main (up to 100km), Salzburg (up to 50km), Innsbruck (up to 50km)

Experience

  • Bildungsministerium Rheinland-Pfalz
    Digital Certificate
    PUBLIC SECTOR
    February 2021 - Today (5 years and 4 months)
    Mainz, Germany
    Architecture and development of a microservice for creating digital graduation certificates on the govdigital blockchain, volume: 6 developers
    • Architecture: Microservice component design, connection to Bundesdruckerei interface, integration into existing school application, authentication and authorization of decentralized school applications, management of Ethereum wallets, signing of blockchain transactions, queuing and asynchronous processing, scaling, test concept, load and performance testing
    • Development process consulting: Test procedure with unit, integration, and system tests of the deployed application, test automation, branching concept, tooling specification/documentation
    V-Modell XT Java 11 Hibernate OSGi Ethereum Swing PostgreSQL
  • Suzuki Motor Corporation
    Architect, Developer
    AUTOMOBILE
    February 2020 - September 2020 (8 months)
    Hamamatsu, Japan
    SDT-II Network Authentication: Architecture and development of a gateway for authenticating and authorizing workshop laptops to call central web services in Japan, volume: 3 developers
    • Architecture: Design of authentication and authorization of web service requests (SOAP/REST) through dealer login in Suzuki Single Sign-On, coordination of interfaces with Suzuki Motor Corporation Japan and Bosch Germany. Asynchronous processing for simultaneous provision of the result in the web GUI and via web service to the workshop laptop. Development of interfaces and dialogues
    • Development process consulting: Build and versioning of Docker images in Jenkins CI, test automation of deployed web services and web applications through CI
    Java Apache Tomcat MySQL Spring Docker Jenkins
  • BMW AG
    Sales Assistant 3
    AUTOMOBILE
    March 2019 - December 2019 (10 months)
    München, Germany
    Architecture and quality assurance for a dealer sales system, volume: 15 developers in Munich, 10 developers in Portugal
    • Architecture: Integration of used car search and sales into the existing system: technical design, interface coordination, definition of technical user stories, development of interfaces and dialogues; integration of BMW Financial Services: technical design, prototype; migration of authorization framework: technical solution design, prototype OAuth 2.0 (OpenID Connect)
    • Quality assurance and development process consulting: Code reviews, revision of development process in the distributed team: branching model, code review procedure, definition of done
    Java Gradle WebLogic Oracle

Recommendations

Be the first to recommend Christian

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Certifications

  • iSAQB Certified Professional for Software Architecture – Advanced Level
    Future Network Cert GmbH, Vienna
  • TOGAF 9.1 - Foundation
    Prometric GmbH, Munich

Skill set

Categories