Christian Bandowski
Team Lead Big Data Software Engineering
Dusseldorf, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolChristian Bandowski is a Team Lead in Big Data Software Engineering with 10 years of experience designing and building Java Spring Boot backends and end-to-end Big Data platforms for on-prem and cloud. At SVA he combines hands-on architecture and implementation with team leadership, pre-sales, workshops and training, moving from engineer to architect to lead roles. He contributes to prominent open-source work—improving type-safe mappings in the MapStruct project, including nuanced timezone and XML/Joda/ZonedDateTime conversions and test coverage. Based in Düsseldorf, he blends pragmatic enterprise delivery with a developer’s attention to code quality and interoperability. His background in business informatics and early entrepreneurial web projects gives him a strong product-aware perspective on technical decisions.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Science (BSc) Wirtschaftsinformatik, Bachelor of Science (BSc) Wirtschaftsinformatik at Hochschule OsnabrückInformatikkaufmann, Informatikkaufmann at Industrie- und Handelskammer
English, German
Stackoverflow
346reputation
25kreached
11answers
3questions
Github Skills (16)
mappings10
javas10
data-mapping10
object-mapping10
java10
annotations10
annotation-processing10
joda-time9
testing8
mapstruct6
collections6
logging6
amazon-web-services6
log4j6
spring6
Programming languages (13)
Github contributions (5)
mapstruct/mapstruct
Apr 2018 - Apr 2019
An annotation processor for generating type-safe bean mappers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 14 commits, 20 PRs in 11 months
Contributions summary:Christian contributed to the MapStruct project, which focuses on generating type-safe bean mappers. Their work involved adding and modifying code related to built-in type conversions, specifically for XMLGregorianCalendar, Joda Time, and ZonedDateTime. This included improvements to ensure proper handling of timezones and the use of fully-qualified names where necessary. Furthermore, the user added tests to validate the correctness of these mappings and made code improvements related to builder lifecycle methods and varargs.
bean-mappingmapstructtype-safebeanmapping
chris922/mapstruct
Apr 2018 - Feb 2022
An annotation processor for generating type-safe bean mappers
Contributions:43 pushes, 28 branches in 3 years 10 months
type-safebeanannotation-processorjavaannotation
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