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Freelance Linux System Administrator / Java Backend Developer (DevOps)
Kenneth Vittrup
,
Harlev, Denmark
Experience
Skills
I'm offering
Linux/Open Source system administrator and senior Java/J2EE backend developer with a keen focus on development and operations (DevOps) of advanced administrative systems, decision support systems, and expert systems - including strong related competences in system analysis, system test and system architecture.
During the later years the consultant have been focusing on managing and provisioning Linux servers for a variety of applications, mainly based on java technologies, using the Infrastructure as code (IaC) paradigm with Puppet and Ansible declarative programming. During this time the consultant have introduced IaC solutions both from scratch and have been improving/expanding already existing solutions, hence providing the consultant with a solid foundation for managing the technical side of both small-scale and large-scale projects. Combined with a solid background as a J2EE backend developer this consultant have both knowledge, experience and a well-proven track record for projects involving server- and service automation that customers can benefit from hiring.
To support the IaC paradigm the consultant relies on his 10+ years of experience with Linux and OpenSource projects, and the consultant have worked with major proven technologies.
During the later years the consultant have been focusing on managing and provisioning Linux servers for a variety of applications, mainly based on java technologies, using the Infrastructure as code (IaC) paradigm with Puppet and Ansible declarative programming. During this time the consultant have introduced IaC solutions both from scratch and have been improving/expanding already existing solutions, hence providing the consultant with a solid foundation for managing the technical side of both small-scale and large-scale projects. Combined with a solid background as a J2EE backend developer this consultant have both knowledge, experience and a well-proven track record for projects involving server- and service automation that customers can benefit from hiring.
To support the IaC paradigm the consultant relies on his 10+ years of experience with Linux and OpenSource projects, and the consultant have worked with major proven technologies.
Markets
Denmark
Links for more
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Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2016 - ?
freelance
External Consultant
Bankdata.
Freelance working in the finance sector helping in reclaiming control of a central communication platform based on Apache CXF and Apache Camel (Java DSL), backed by the spring framework.
2016 - ?
freelance
Freelance JEE backend software developer and system administrator
MIracle Buddyshop.
2016 - ?
job
Company Owner
Vittrup Consulting.
Freelance consultancy services from a senior Java/JEE backend developer and system administrator.
2015 - 2016
job
Solution Architect
Nianet.
Working as tech pre-sales in western Denmark with a focus on cloud based offerings with technology mainly composed of VMware products.
2013 - 2015
job
IT-administrator and software specialist
JP/Politikens hus.
Continuing my previous work by pushing even further towards a smoother and simplistic way of thinking development, release, and operations for the java based escenic publishing platform and miscellaneous supporting SOA services using puppet as the infrastructure orchestration tool for service provisioning and management.
2011 - 2013
job
Software Developer
JP/Politikens hus.
Working on optimizing development and release processes for the java based escenic publishing platform. This where accomplished using tools and technologies like Apache Maven, Artifactory Maven Repository, TeamCity Continous Integrations and Release, Subversion (Sventon), and Jetbrains IntelliJIDEA (LicenseServer). Essentially pushing towards a DevOps way of thinking development, release, and operations.
2009 - 2011
job
Software Developer
Stibo Systems.
Working on a customizable web interface for the mainline product managing master data. Solution where designed using GWT while the main platform where a java webstart application using Swing and OSGi.
2008 - 2009
job
Senior Software Developer
End2End.
Working on the mainline product of the company CDS (Content Delivery System) using J2EE technologies like Struts, Spring, Maven, Subversion, JBoss, Freemarker, and Oracle DB to manage and expand the platform. Also working on a separate project based on Apache Wicket, OSGi and Apache CFX for an online payment model.
2007 - 2008
job
Software Developer
Wirtek.
Working on a mobile healthcare system allowing healthcare staff to communicate from an symbian device to the server running JBoss backed by a Firebird database. Also working on embedded telecommunication modules running Java ME. Finally I where involved in a swing based application using bayesian network to analyse data and troubleshoot network problems for telephone operators.
2006 - 2006
job
Consultant (Student programmer)
Siemens.
Decoded GSM protocol communication for wireless modules using C++.
2005 - 2006
job
Student Tester
Wirtek.
QA part time work for the CDS (Content Delivery System).
2006 - 2006
freelance
Freelance programmer
Siemens.
Created an automatic setup for developers working on wireless modules replacing several manual steps.
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