René Kerner

Angestellt, Senior Software Engineer, IBM Deutschland GmbH
Düsseldorf, Germany

Fähigkeiten und Kenntnisse

software engineering
Software Architecture
Stream Processing
Apache Kafka
web architecture
scaling
microservices
Java
Spring Framework
distributed systems
database engineering
protobuf
PHP
Service Discovery
consul.io
continuous integration
continuous delivery
Bounded Context
Apache Cassandra
Cloud Computing
software development with PHP/JS/JAVA/C/C++/C# and
Symfony framework
dependency management (e.g. php composer)
DevOps thinking
virtualization infrastructures / VMs / containers
buzzword collection:
Symfony 2
PHP composer
SaltStack
apache
nginx
message queues
webserver
caching
memcache
redis
xcache
reverse proxy
varnish
ESI
haproxy
JavaScript
HTML
CSS
jenkins CI server
bash
shell scripting
linux ubuntu / debian
unix
FreeBSD
CDN
configuration management
OOP
TDD
agile
BackboneJS
Xen
KVM
OpenVZ
LXC
docker
RabbitMQ
webervices
Percona Server
SCS Self Contained Systems
Maven
Gradle
Web-Entwicklung
Software
Informatik
creativity
analytical thinking
Datenbank
SQL
Agile Softwareentwicklung
MySQL
Java-Entwicklung
JEE
Kubernetes
PostgreSQL
Red Hat OpenShift
REST
Domain-driven Design (DDD)
Informationstechnologie

Werdegang

Berufserfahrung von René Kerner

  • Current 11 months, since Jul 2025

    Senior Software Engineer

    IBM Deutschland GmbH

    Senior Software Engineer @ IBM, Research & Development, Java, Middleware, Debezium Team

  • Current 22 years and 5 months, since 2004

    Mitglied Technik-Ausschuß

    Kulturfabrik Krefeld e.V.

  • 5 years, Jul 2020 - Jun 2025

    Senior Software Engineer

    Red Hat GmbH

    Project Lead Debezium UI, Debezium Sink Connectors / Sink Connectors Framework

  • 11 months, Aug 2019 - Jun 2020

    Senior Software Engineer/Architect

    Metro Markets GmbH
  • 1 year and 2 months, Jun 2018 - Jul 2019

    Senior Consultant

    codecentric

  • 11 months, Jul 2017 - May 2018

    Software-Architect, Hotelsearch, Stream Platform Services

    trivago
  • 2 years and 2 months, Jun 2015 - Jul 2017

    Software-Architect, Search Technology / Core Content

    trivago

    - software architecture scaling and modularization - database architecture - content database architecture

  • 1 year and 7 months, Dec 2013 - Jun 2015

    Software-Engineer, Software Operations Team

    trivago

    - Software-Architecture - Scaling - Continuous Delivery - Site Reliability Engineering (SRE) - Software Infrastructure (DB, Caching: XCache, Memcache, Redis, ...) - Continuous Deployment - Developer Advocate - Technology Evangelism

  • 12 years and 6 months, Jan 2002 - Jun 2014

    Geschäftsführer

    DiskoTech

  • 2 years and 2 months, Nov 2011 - Dec 2013

    Software Engineer, Coordinator Hotelgateway

    trivago
  • 1 year and 2 months, Aug 2010 - Sep 2011

    Software-Engineer, IT-Consultant, Datenschutzbeauftragter (TÜV)

    tacticx GmbH

    Dataprotection, Datenschutz, PHP software engineering in business software and distributed systems environments, database management, it-security, it-management for networks and distributed systems, server virtualization, etc.

  • 1 year and 1 month, Jul 2009 - Jul 2010

    Software-Engineer, Software-Developer, PHP/MySQL/jQuery/Debian

    tacticx GmbH

    PHP software engineering in business software and distributed systems environments, database management, it-security, it-management for networks and distributed systems, server virtualization, etc.

  • 4 months, Apr 2009 - Jul 2009

    Praktikant

    tacticx GmbH

    Software-Entwicklung & Testing Datenbanken Datenschutzmanagement

  • 2001 - 2001

    Software-Entwicklung, Software-Test und -Dokumentation

    BSW Branchensoftware

Ausbildung von René Kerner

  • 3 years and 11 months, Oct 2006 - Aug 2010

    Informatik

    Hochschule Niederrhein

    Applied Computer Science, Software-Engineering, Database-Engineering, Distributed Systems, Requirements-Engineering, IT-Securitiy, Projectmanagement, Web-Engineering

Sprachen

  • German

    C2 (Verhandlungssicher / Muttersprachlich)

  • English

    C1 (Fließend)

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