Agiler Fullstack-Entwickler(Java/Kotlin/Vue/...) im Cloud Container. Immer nach dem KISS Prinzip - Keep it Simple and Stupid.
Aktualisiert am 04.06.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.07.2025
Verfügbar zu: 50%
davon vor Ort: 50%
Kubernetes
Kotlin
GitOps
Docker
Java
Spring
Keycloak
OAuth 2.0
FluxCD
ArgoCD
OPC UA
MQTT
Cloud
Azure
AWS
Deutsch
Muttersprache
Englisch
IT/Verhandlungssicher

Einsatzorte

Einsatzorte

Leipzig (+500km)
möglich

Projekte

Projekte

5 Jahre 4 Monate
2020-02 - heute

Develop and host Microservice MIP in Multicluster K8s

GitOps, DevOps Expert - Technical Kotlin Lead Kotlin Helm Fluxcd ...
GitOps, DevOps Expert - Technical Kotlin Lead
Develop and host Microservices for Manufacturing Integration Plattform (MIP) for a Multicluster K8s deployment at AKS and OnPrem.
Kotlin Helm Fluxcd GitOps K8s
Remote
1 Jahr 4 Monate
2019-10 - 2021-01

Migration CI/CD from SVN+Jenkins to Git+Gitlab-ci

Consultant, Expert, Docker Git Gitlab-ci
Consultant, Expert,

Migrate and lead dev team/lifecycle from SVN to GIT and Jenkins to Gitlab-CI

- Setup gitlab server incl. autoscaling gitlab-runner infrastructure - Setup a gitlab project as blueprint

- Create SVN-to-GIT migration strategy incl. release process

- Perform 2 days GIT workshop for development team
- Perform 2 days DOCKER workshop for the development team

Gitlab Ranger
Docker Git Gitlab-ci
Ibykus AG
Leipzig
9 Monate
2019-01 - 2019-09

Setup/maintain ELK Stack to monitor multiple HW production lines

Entwickler und Maintainer Docker ELK Elasticsearch ...
Entwickler und Maintainer
  • Docker-compose Elastic/Logstash/Filebeat/Kibana Stack
  • To import 30GB data/day and production line
  • To analyze and report failor frequency with kibana
Logstash 6.x Logstash 7.x Elasticsearch 6.x Elasticsearch 7.x Filebeat 6.x Filebeat 7.x Kibana 6.x Kibana 7.x Docker 18.x Docker-compose 1.23
Docker ELK Elasticsearch Logstash Kibana Beats Bigdata Linux
Harman
Remote
1 Jahr 5 Monate
2017-08 - 2018-12

Implement remote OSGi Software Lifecycle Management System for IoT Gateway

Entwickler spring java/kotlin openshift/k8 ...
Entwickler
  • Spring Backend with MongoDB hosted on OpenShift
  • With Vue SLM operation frontent to process update campaigns To manage >100 T IoT Gateways with installed OSGi ESH Stack To plan, test, process and monitor rolling update campaings
  • Setup and maintain CDN repository to manage SW artifacts
spring java/kotlin openshift/k8 mvn/gradle git gitlab linux prometheus grafana osgi
Telekom/Qivicon
Darmstadt, Remote
1 Jahr
2016-08 - 2017-07

Implement Messaging Backend between Mobile Phone and IoT Gateway

Entwickler vertx java/kotlin openshift/k8 ...
Entwickler
  • Vertx Backend with RabbitMQ Messaging Server hosted on OpenShift
  • As full duplex connection to mobile phones To send remote procedure calls over http/ws/amqp to IoT devices
    To subscribe for remote IoT events over http/ws and amqp
  • As static full duplex connection to IoT gateways To process remote procedure calls from mobile phone To sent IoT events to mobile phone
vertx java/kotlin openshift/k8 amqp/rabbitmq linux osgi mvn git/jenkins hella automotiv
Telekom/Qivicon
Darmstadt, Remote
7 Monate
2016-01 - 2016-07

Setup CR/CI Prozess for Hella department build

Entwickler jenkins make c ...
Entwickler
Install and maintain multiple Jenkins jobs with Integrity SCM
jenkins make c scm:integrity rt:windows bat
Hella
Paderborn, Remote
7 Monate
2016-01 - 2016-07

Migrate Eclipse RCP to Maven build

Entwickler eclipse java ant ...
Entwickler
eclipse java ant mvn/tycho git jenkins
BMW
München, Remote
3 Jahre 5 Monate
2012-08 - 2015-12

Setup/Support common bosch specific build framework (BFW)

Entwickler eclipse java svn ...
Entwickler
  • To migrate make build to bosch BFW
  • Implement CLI to support eclipse headless build
  • Implement Eclipse Feature to integrate BFW into Bosch IDE
eclipse java svn make bfw bat
Bosch
Stuttgart
2 Jahre 8 Monate
2009-05 - 2011-12

Implement/Setup/Support reporting system for energy trading

Entwickler, PO, Leiter Support java/servlet/jee spring hibernate ...
Entwickler, PO, Leiter Support
  • Report portfolio based intra day trading in a Spring Backend
  • Adapt IOPT System to get trading informations
  • Generate Crystal reports to visualize intra day trading risk
java/servlet/jee spring hibernate oracle tomcat jsf crystal-reports iopt matlab
Stadtwerke Leipzig, Mark-E
Leipzig

Kompetenzen

Kompetenzen

Top-Skills

Kubernetes Kotlin GitOps Docker Java Spring Keycloak OAuth 2.0 FluxCD ArgoCD OPC UA MQTT Cloud Azure AWS

Produkte / Standards / Erfahrungen / Methoden

Docker
Elasticsearch
git
Gitlab
JEE
osgi
Ranger
spring
WildFly

Cloud
Stack

  • Docker
  • Kubernetes
  • OpenShift
  • AWS

Services

  • Grafana
  • Kibana
  • Prometeus
  • Logstash

Plattform

Services

  • OSGi
  • Spring
  • JEE
  • RCP
  • Vue

Soft Skills
Team

  • loyal
  • teammined
  • clever
  • structured


Leader

  • pragmatic
  • smart
  • engaged
  • pareto
  • kiss

Betriebssysteme

Android
Linux
MacOS
Windows

Programmiersprachen

Bash
Script
Bat
Script
Go
Compiler
Groovy
Script
Haskell
Compiler
Java
Compiler
Js/Ts
Script
Kotlin
Compiler
Ruby
Script
Scala
Compiler

Datenbanken

Bigdata
Elastic
NoSql
Ethereum
Blockchain
Influx
NoSql
IOTA
Blockchain
Mongo
NoSql
MsSQL
Sql
MySQL
Sql
Oracle
Sql

Datenkommunikation

AMQP
HTTP
IPv4
IPv6
MQTT

Design / Entwicklung / Konstruktion

Gitlab-ci

Branchen

Branchen

  • IT
  • IoT/Telekomunikation
  • Automotiv
  • Energy
  • TV/Media

Einsatzorte

Einsatzorte

Leipzig (+500km)
möglich

Projekte

Projekte

5 Jahre 4 Monate
2020-02 - heute

Develop and host Microservice MIP in Multicluster K8s

GitOps, DevOps Expert - Technical Kotlin Lead Kotlin Helm Fluxcd ...
GitOps, DevOps Expert - Technical Kotlin Lead
Develop and host Microservices for Manufacturing Integration Plattform (MIP) for a Multicluster K8s deployment at AKS and OnPrem.
Kotlin Helm Fluxcd GitOps K8s
Remote
1 Jahr 4 Monate
2019-10 - 2021-01

Migration CI/CD from SVN+Jenkins to Git+Gitlab-ci

Consultant, Expert, Docker Git Gitlab-ci
Consultant, Expert,

Migrate and lead dev team/lifecycle from SVN to GIT and Jenkins to Gitlab-CI

- Setup gitlab server incl. autoscaling gitlab-runner infrastructure - Setup a gitlab project as blueprint

- Create SVN-to-GIT migration strategy incl. release process

- Perform 2 days GIT workshop for development team
- Perform 2 days DOCKER workshop for the development team

Gitlab Ranger
Docker Git Gitlab-ci
Ibykus AG
Leipzig
9 Monate
2019-01 - 2019-09

Setup/maintain ELK Stack to monitor multiple HW production lines

Entwickler und Maintainer Docker ELK Elasticsearch ...
Entwickler und Maintainer
  • Docker-compose Elastic/Logstash/Filebeat/Kibana Stack
  • To import 30GB data/day and production line
  • To analyze and report failor frequency with kibana
Logstash 6.x Logstash 7.x Elasticsearch 6.x Elasticsearch 7.x Filebeat 6.x Filebeat 7.x Kibana 6.x Kibana 7.x Docker 18.x Docker-compose 1.23
Docker ELK Elasticsearch Logstash Kibana Beats Bigdata Linux
Harman
Remote
1 Jahr 5 Monate
2017-08 - 2018-12

Implement remote OSGi Software Lifecycle Management System for IoT Gateway

Entwickler spring java/kotlin openshift/k8 ...
Entwickler
  • Spring Backend with MongoDB hosted on OpenShift
  • With Vue SLM operation frontent to process update campaigns To manage >100 T IoT Gateways with installed OSGi ESH Stack To plan, test, process and monitor rolling update campaings
  • Setup and maintain CDN repository to manage SW artifacts
spring java/kotlin openshift/k8 mvn/gradle git gitlab linux prometheus grafana osgi
Telekom/Qivicon
Darmstadt, Remote
1 Jahr
2016-08 - 2017-07

Implement Messaging Backend between Mobile Phone and IoT Gateway

Entwickler vertx java/kotlin openshift/k8 ...
Entwickler
  • Vertx Backend with RabbitMQ Messaging Server hosted on OpenShift
  • As full duplex connection to mobile phones To send remote procedure calls over http/ws/amqp to IoT devices
    To subscribe for remote IoT events over http/ws and amqp
  • As static full duplex connection to IoT gateways To process remote procedure calls from mobile phone To sent IoT events to mobile phone
vertx java/kotlin openshift/k8 amqp/rabbitmq linux osgi mvn git/jenkins hella automotiv
Telekom/Qivicon
Darmstadt, Remote
7 Monate
2016-01 - 2016-07

Setup CR/CI Prozess for Hella department build

Entwickler jenkins make c ...
Entwickler
Install and maintain multiple Jenkins jobs with Integrity SCM
jenkins make c scm:integrity rt:windows bat
Hella
Paderborn, Remote
7 Monate
2016-01 - 2016-07

Migrate Eclipse RCP to Maven build

Entwickler eclipse java ant ...
Entwickler
eclipse java ant mvn/tycho git jenkins
BMW
München, Remote
3 Jahre 5 Monate
2012-08 - 2015-12

Setup/Support common bosch specific build framework (BFW)

Entwickler eclipse java svn ...
Entwickler
  • To migrate make build to bosch BFW
  • Implement CLI to support eclipse headless build
  • Implement Eclipse Feature to integrate BFW into Bosch IDE
eclipse java svn make bfw bat
Bosch
Stuttgart
2 Jahre 8 Monate
2009-05 - 2011-12

Implement/Setup/Support reporting system for energy trading

Entwickler, PO, Leiter Support java/servlet/jee spring hibernate ...
Entwickler, PO, Leiter Support
  • Report portfolio based intra day trading in a Spring Backend
  • Adapt IOPT System to get trading informations
  • Generate Crystal reports to visualize intra day trading risk
java/servlet/jee spring hibernate oracle tomcat jsf crystal-reports iopt matlab
Stadtwerke Leipzig, Mark-E
Leipzig

Kompetenzen

Kompetenzen

Top-Skills

Kubernetes Kotlin GitOps Docker Java Spring Keycloak OAuth 2.0 FluxCD ArgoCD OPC UA MQTT Cloud Azure AWS

Produkte / Standards / Erfahrungen / Methoden

Docker
Elasticsearch
git
Gitlab
JEE
osgi
Ranger
spring
WildFly

Cloud
Stack

  • Docker
  • Kubernetes
  • OpenShift
  • AWS

Services

  • Grafana
  • Kibana
  • Prometeus
  • Logstash

Plattform

Services

  • OSGi
  • Spring
  • JEE
  • RCP
  • Vue

Soft Skills
Team

  • loyal
  • teammined
  • clever
  • structured


Leader

  • pragmatic
  • smart
  • engaged
  • pareto
  • kiss

Betriebssysteme

Android
Linux
MacOS
Windows

Programmiersprachen

Bash
Script
Bat
Script
Go
Compiler
Groovy
Script
Haskell
Compiler
Java
Compiler
Js/Ts
Script
Kotlin
Compiler
Ruby
Script
Scala
Compiler

Datenbanken

Bigdata
Elastic
NoSql
Ethereum
Blockchain
Influx
NoSql
IOTA
Blockchain
Mongo
NoSql
MsSQL
Sql
MySQL
Sql
Oracle
Sql

Datenkommunikation

AMQP
HTTP
IPv4
IPv6
MQTT

Design / Entwicklung / Konstruktion

Gitlab-ci

Branchen

Branchen

  • IT
  • IoT/Telekomunikation
  • Automotiv
  • Energy
  • TV/Media

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