David Janssen
Senior Data Engineer
Nimes, Occitania, France
Summary
👤
Senior🎓
Top SchoolDavid Janssen is a Senior Data Engineer based in Nîmes, France, with 12 years of professional experience and a track record of designing and deploying large-scale data platforms. He specializes in Databricks ETL, streaming ingestion, Scala/Python development, and AWS services (S3, Glue, CloudFormation) while also owning DevOps pipelines with Jenkins and Azure for deployments. At LexisNexis he combined enterprise Java/Spring applications, ElasticSearch/Kibana operations and H2O.AI-driven document classification to deliver production ML and search solutions handling millions of documents. His background in embedded and telecom systems (C, network protocols, VoIP) gives him a practical systems-level perspective that informs robust distributed architectures and performance-focused design. Comfortable working in international agile teams, he pairs hands-on coding with infrastructure automation to turn complex data challenges into reliable, scalable products.
12 years of coding experience
10 years of employment as a software developer
Maitrise Génie Mathèmatique et Informatique - Mention Bien, Maitrise Génie Mathèmatique et Informatique - Mention Bien at Université Montpellier IIDESS Réseaux Télécom - Major promotion 95, DESS Réseaux Télécom - Major promotion 95 at Aix-Marseille University
English
Github Skills (12)
apply6
elastic4
search-engine4
elasticsearch-client4
elasticsearch3
backup3
indexing3
render2
xml2
inline1
capability1
annotations1
Programming languages (2)
Github contributions (5)
djanssen/rssriver
Aug 2013 - Nov 2013
Contributions:27 commits in 3 months
djanssen/elasticsearch-view-plugin
Feb 2015 - Feb 2015
Contributions:4 commits, 4 pushes, 1 comment in 25 days
renderxmlelasticsearch
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