Jan Garaj
Observability Engineer at Monitoring Artist
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolJan Garaj is an experienced Observability and DevOps engineer with 11 years building cloud-native monitoring, IAM and container platforms across enterprises like KKR, Volkswagen and BBC. He specializes in Docker, Kubernetes, AWS/GCP, Prometheus/Grafana/Loki, and identity protocols (OIDC/SAML/Keycloak), and has delivered observability at scale—his projects include Grafana CloudWatch dashboards with millions of downloads and widely used Docker images and Zabbix modules on GitHub. Jan blends hands-on systems tuning (LAMP, Linux, performance) with automation and IaC (Terraform, Puppet, Ansible), and has implemented production-grade IAM integrations and federated access for complex hybrid clouds. A prolific open-source maintainer (4k+ stars, 1k+ forks) and creator of high-traffic monitoring artifacts, he pairs practical engineering with a strong emphasis on observability standards and efficient containerization.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (BEng), Informatics, Bachelor of Engineering (BEng), Informatics at Slovak University of Technology in Bratislava
English, Slovak, Bulgarian, German
Stackoverflow
27,013reputation
2.6mreached
922answers
10questions
authentication
top-5%
docker-compose
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postgresql
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oauth
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curl
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ssl
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Github Skills (65)
dashboard10
bash10
grafana10
c1110
c1710
cloud-monitoring10
dockers10
sh10
shell10
scripting10
configuration-management10
environment-variables10
go10
aws-cloudwatch10
docker10
Programming languages (16)
Github contributions (5)
monitoringartist/dockbix-xxl
May 2015 - Apr 2020
:whale: Dockerized Zabbix - server, web, proxy, java gateway, snmpd with additional extensions
Role in this project:
DevOps Engineer
DevOps EngineerContributions:1 release, 992 commits, 29 PRs in 4 years 11 months
Contributions summary:Jan's contributions primarily involved configuring and maintaining the Dockerized Zabbix environment. They focused on modifying configuration files, setting up logging, and initializing the Zabbix database during container startup. Further contributions included implementing a healthcheck endpoint and configuring the Zabbix agent and proxy. The user demonstrated a strong understanding of Docker and the Zabbix monitoring system.
nginxproxyweb-serverdockeradditional
monitoringartist/zabbix-docker-monitoring
Aug 2014 - Feb 2022
:whale: Docker/Kubernetes/Mesos/Marathon/Chronos/LXC/LXD/Swarm container monitoring - Docker image, Zabbix template and C module
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:385 commits, 50 PRs, 397 pushes in 7 years 8 months
Contributions summary:Jan's commits primarily focus on the development and maintenance of a Zabbix module for Docker container monitoring. The initial commit introduced the core module with functionality for monitoring container metrics. Subsequent commits show the implementation of various metrics related to memory, CPU, and network, as well as the addition of functionalities like Docker API integration and container discovery. The work includes refactoring, systemd support, and various fixes, showing active engagement in the project.
container-monitoringdocker-imagezabbix-templatesdocker-monitoringmesos
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