Jędrzej Biedrzycki
Backend Developer at CERN
Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolJędrzej Biedrzycki is a backend developer and researcher with nine years of experience building data-intensive, production-grade systems using Java, Scala and Python. He has driven mission-critical projects at CERN—migrating legacy systems to REST, authoring libraries used by hundreds of clients, and introducing observability and DevOps automation—while also publishing ML research and teaching system theory at Wrocław University of Science and Technology. Deeply proficient with databases (Oracle-certified, Postgres) and JVM stacks (Spring, Hibernate), he blends strong engineering discipline (ArchUnit, property-based testing) with practical ML skills (Keras, scikit-learn, Spark). Comfortable as both architect and hands-on implementer, he has led NLP and classifier-integration efforts, presented at multiple conferences, and communicated technical solutions in German and English. Outside work he pairs mathematical curiosity with creativity as an amateur pianist, reflecting a methodical but imaginative approach to problem solving.
9 years of coding experience
4 years of employment as a software developer
Doctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at Wroclaw University of Science and Technology
Polish, English, German, Russian, French
Stackoverflow
25,772reputation
1.6mreached
751answers
28questions
sql
top-5%
java
top-1%
if-statement
top-1%
postgresql
top-5%
dictionary
top-5%
regex
top-5%
Github Skills (156)
parser10
python10
spring-data10
authentication10
if-statement10
security10
cpp10
javascript10
forloop10
antlr10
golang10
hibernate-mapping10
swift10
jpa10
blogger10
Programming languages (9)
Github contributions (5)
TAndronicus/hibernate-mappings
Mar 2019 - Dec 2022
Contributions:60 commits, 19 pushes, 1 branch in 3 years 9 months
TAndronicus/dotfiles
Sep 2018 - Dec 2022
Contributions:50 pushes, 1 branch in 4 years 4 months
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