André Letterer
Tech Lead Support Security Senior Principal Support Engineer at Elastic
Görlitz, Saxony, Germany
Summary
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RockstarAndré Letterer is a Tech Lead and Principal Support Engineer at Elastic with seven years of focused experience in systems engineering, Linux, and DevOps-oriented operations. Based in Görlitz, Germany, he has progressed through multiple senior support and leadership roles at Elastic, driving security-focused support and EMEA solutions. He combines deep hands-on Linux and automation skills with practical release engineering experience, evidenced by contributions to the high-profile elastic/logstash project where he improved build and utility batch scripts. Known for a two-decade passion for IT and continuous learning, he pairs troubleshooting grit with process improvements that reduce operational friction. Colleagues rely on him for complex incident resolution, secure operational practices, and pragmatic automation that bridges support and engineering teams.
7 years of coding experience
13 years of employment as a software developer
German, English, Polish
Stackoverflow
13reputation
635reached
1answer
5questions
Github Skills (15)
batch10
automation10
script10
automations10
batchfile10
java9
javas9
etl-framework8
logging7
json6
jq6
fromjson6
streaming6
key-value6
yaml6
Programming languages (21)
Github contributions (5)
elastic/logstash
Apr 2020 - Jul 2021
Logstash - transport and process your logs, events, or other data
Role in this project:
Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:11 commits, 3 PRs, 1 push in 1 year 4 months
Contributions summary:André primarily focused on updating and modifying batch files, specifically related to the Logstash project's tools and utilities. The commits demonstrate efforts to refine and improve batch script functionality, including updates to `pqcheck.bat`, `pqrepair.bat`, `benchmark.bat`, and `ingest-convert.bat`. These changes involved adjusting environment variables, correcting variable expansions, and adapting command-line arguments for the various tools.
logstashetl-frameworkstreamingloggingjava
111andre111/elasticsearch
Apr 2019 - May 2021
Open Source, Distributed, RESTful Search Engine
Contributions:18 pushes, 5 branches in 2 years 1 month
restfulsearch-enginedatabaseelasticsearchjava
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