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(Opdateret 2020-02-25)Fullstack cloud arkitekt
Oslo, Norway
Modersmål Danish, English, Øvet Norwegian, Begynder Svenska
- 10+ års erfaring med microservice arkitektur
- 5+ års erfaring med Openshift, Kubernetes (Cloud)
- 15+ års erfaring med Java, Spring Boot
Kvalifikationer (43)
SATISFACTION
WELDING
JAX
EJB
PROBLEM SOLVER
JSF
WAREHOUSE MANAGEMENT
Kanban
JQuery
CNA
INTEGRATION
AP
JBoss
PERFORMANCE TUNING
JAX-WS
SERVLET
WORKFLOW
Apache
USER INTERFACE
AWT
INTEGRATOR
COLLECTION
BEST PRACTICES
MENTORING
JSP
JMS
INTELLIJ IDEA
Technical Project Management
MENTOR
Websphere
Business Analysis
API
Spring
Java
DOCUMENTATION
RMI
USER EXPERIENCE
SHIPPING
WMS
Eclipse
J2EE
Hibernate
JAXB
Resumé
Claus is a senior cloud consultant and software architect, with 15+ years of experience working on the Oracle Technology Stack and various cloud configurations together with a range of Open Source Frameworks like Spring Boot and Camel, with all aspects of system development.
Specializing in Java/J2EE and Cloud, AWS and Openshift (Kubernetes), as a developer and architect with solid experience in integration, SOA, PaaS, Microservices, Web and Client/Server solutions.
He has participated in several large enterprise projects that involves systems from a wide variety of vendors running on different server configurations like Redhat OpenShift (PaaS), Amazon Web Services, Oracle Weblogic and Tomcat.
His roles vary from Lead Developer/Architect to Integration- or specialist and mentor. Through the years he has gained extensive experience in a large number of frameworks and thrives at learning new technologies and methods.
Since 2003 he has primarily worked with technologies within the Oracle Fusion Middleware stack (Weblogic, OSB, OBPM, BPEL, WebCenter, SOA Suite & ADF) and a range of open source frameworks like Spring on large J2EE projects.
In recent years assignments has shifted more towards Microservices as the preferred architectural style and Spring Boot as the main application framework driver, running on Kubernetes or Openshift.
Work Style
Claus has proven ability to get a quick overview of complex systems, and if needed, he has shown an ability to improve such systems to the customer's satisfaction.
Personality (Client reference)
Claus has done an outstanding job in identifying and analyzing areas for improvement in our applications, and he has implemented his proposed changes in an effective and high quality manner. Claus surprised us all by being up to full speed in no time, thus highly contributing to the taskforce almost from day 1.
Claus has very positive approach to the challenges that he is given. He is creative and very quick in getting to know new environments and applications. He has often offered his contribution to areas that was not part of his primary tasks and proven very flexible and easy to work with. Lastly, he is also a pleasant person to work with and spreads a good vibe in the team.
Professionel erfaring
2011-09 - Nuværende
2019-01 - Nuværende
Technologies: Openshift, Kubernetes, Docker, GoLang, Kotlin, Java, Spring Boot, PostgreSQL, Grafana, Splunk, J2EE/Java, React, Microservices, JWT, Gatling, Scrum/Kanban (Method).
2018-01 - 2019-01
Technologies: Spring Boot 2, Spring Cloud, Java, Kotlin, Gradle, Maven, Openshift, Microservices, Docker, Kubernetes, GIT, Cassandra, PostgreSQL, InfluxDB, REST services, HTML5, JQuery, Oracle Database, SOA, J2EE/Java, JPA 2, SOAPUI, Grafana, Scrum (Method).
2015-02 - 2018-02
Period: 02.2015 - 02.2018
Customer: Size Guru
Role: CTO & Co-Founder/Lead Developer/Technical Architect
Description: Heading up the technical side of a start-up company developing a widget aimed at web shops, which help customers find the right fitting shoes. The widget is integrated into the web shop as a JavaScript library and run as an AnguarJs application on AWS. The backend is based on Spring Boot and exposes all its services through a REST interface. Various AWS api's are used for optimization and/or access to AWS products, such as Amazon SES (Mail). Both the frontend and backend is run using Tomcat on AWS Elastic Beanstalk.
Technologies: Java, Spring Boot, Apache Camel, MySQL, Amazon Web Services (AWS), AWS API, Tomcat, REST, AngularJS, HTML5, JavaScript, BitBucket, Micro services.
09/2011 - Independent
2015-08 - 2018-01
My primary role was to head up the technical side of the project, assist in technology decisions, service architecture, and environment setup and tuning as well as mentoring in-house staff on the new technology platform.
Technologies: Oracle SOA Suite 11g, Oracle Service Bus 11g, Oracle BPEL 11g, Weblogic, Docker, Apache Camel, Oracle Database, Spring Boot, RedHat OpenShift, Splunk, Kubernetes, Grafana, Microservices, SOA, J2EE/Java, JPA 2, SAML, Hibernate, XSD, XSLT, Web-Services, JAX-WS, SOAPUI, GIT, Scrum (Method).
2017-06 - 2018-01
One PoC was to do a first version of a User Administration system, which handled all users within Bluewin and their system access, exposing single-sign-on functionality intended for usage by all corporate systems. It should expose its data using the SCIM protocol version 1.1 & 2.0.
Technologies: Spring Boot Apache Camel, SCIM 1.1 & 2, REST services, HTML5, JQuery, Oracle Database, Docker, Micro services, SOA, J2EE/Java, JPA 2, SOAPUI, BitBucket.
2014-01 - 2016-09
Primary role was developing the outgoing channels and communication tool, as well as sparing with the in-house Technical Architect on both frontend and backend architecture and integration.
Technologies: Oracle ADF 11g, Oracle WebCenter, Oracle BPEL 11g, Oracle BAM, Oracle Service Bus 11g (OSB), WebLogic 11g, Oracle SOA Suite 11g, SOA, Oracle Database 12c, PL/SQL, J2EE/Java, EJB3, JPA 2, Hibernate, XSD, XSLT, Web-Services, JAX-WS, SOAPUI, SVN, Scrum (Method).
2015-02 - 2016-08
Primary role was to head up a team of developers and assist on technical issues and architecture. Define a micro service framework to ease the development and define guidelines for the services.
Technologies: Oracle Service Bus 11g (OSB), Tomcat, Docker, MySQL, Oracle Database, Oracle SOA Suite 11g, Spring Boot, SOA, Apache Camel, J2EE/Java, EJB3, JPA 2, Hibernate, XSD, XSLT, Web-Services, JAX-WS, SOAPUI, SVN, Scrum (Method).
2012-03 - 2013-12
Technologies: SOA, J2EE/Java, EJB3, JPA 2, Hibernate, XSD, XSLT, JSP, Websphere, Web-Services, JAX-WS, JMS, IBM MQ, DB2, Harvest, SOAPUI, Scrum (Method).
2012-01 - 2013-03
web-services for the BPMN modelled business processes for container shipping. Technical design and implementation of the web application, OBPM, web-services and database design, including integration with back-end systems. ex. web-service integration with Oracle BPM. Development of documentation of reusable user interface components and build system.
Mainly doing backend web services on the Maersk Enterprise Service Bus (Oracle Service Bus 11g), developing web services for a large number of systems within Maersk Line. The services where either developed directly on the OSB, using BPEL or Java & JAX-WS, depending on complexity and re-usability policies.
Technologies: SOA, J2EE/Java, JAX-WS, Web-Services, Oracle Service Bus 11g, Oracle Coherence,
Spring Integration, JSF/MyFaces, Trinidad component library, XHTML/CSS/AJAX/JQuery, Oracle Weblogic Server 11g, Oracle BPM 11g, Oracle BPEL 11g, OBPM PAPI WS, Eclipse, EJB3, JPA 2, Hibernate, Oracle DB 11g, Maven, SVN, RedHat Linux servers, SOAPUI, Scrum (Method).
2011-09 - 2012-01
My primary role was as a general problem solver. I had a broad range of assignments, which ranged from bug fixing to performance tuning on the code and/or the application
server.
The system was recently updated from Java 1.4 to Java 1.6, which led to a major code re-factoring.
Technologies: SOA, J2EE/Java, EJB, HTML, JSP, IBM, Websphere 7, IBM MQ, DB2, Harvest, Scrum
(Method).
2009-09 - 2011-09
2009-09 - 2011-09
2011-03 - 2011-09
process at Maersk Line. The system is intended to control the logistics of their
container shipment, around the world. It is the largest process in Maersk Line, and spans over a wide range of technologies with Oracle BPM 10.3 as the central
contributor.
I was mainly involved on the parts surrounding the BPM implementation. This included a lot of integration through both the PAPI WS interface as well at the traditional Java core PAPI interface, web-service implementation and frontend development.
Technologies: SOA, J2EE/Java, Oracle BPM 10.3, Oracle Service Bus 11g, Apache MyFaces, Weblogic
11g, Oracle PAPI WS & core PAPI, Maven2, JAX-WS, JPA2, EJB3, Spring, SVN, Oracle DB 11g, Scrum (Method).
2010-09 - 2011-03
solution handled expense registrations within the Copenhagen Administration.
The system consists of independent Oracle ADF 11g pages, BEPL flows, Web Services, integration to an Oracle Database (PL/SQL routines) and Oracle ADF pages run within Oracle Web Center.
Technologies: SOA, J2EE/Java, Oracle Fusion Middleware 11 (SOA Suite/BPEL/OSB/ADF/WebLogic/WebCenter), JAX-WS, JAXB, JPA2, EJB3, Scrum (Method).
2010-03 - 2010-09
Technologies: SOA, J2EE/Java, Spring, SAML, JMS, EJB3, JPA2, SAML, Maven, WebLogic 11g, Oracle
Service Bus 11g, SVN, Scrum (Method).
2010-01 - 2010-03
Technologies: SOA, J2EE/Java, JAX-WS, JPA2, EJB, SAML, WebLogic 11g, Oracle Service
Bus 11g, Maven, SVN, Scrum (Method).
2009-09 - 2010-01
Technologies: J2EE/Java, EJB, JDBC, PL/SQL, WebLogic 7, Oracle DB 9, ANT, Java RMI, Swing, Scrum (Method).
2007-04 - 2009-09
2008-04 - 2009-09
2008-07 - 2009-09
courses at the public colleges around the country. The courses can vary from anything like a course in welding to taking a truck driver license. A company has to log in with a digital signature. The portal integrates with a large number of different systems within the public sector.
Technologies: SOA, J2EE/Java, Oracle ADF 11g, EJB3, JPA2, JAX-WS, JAXB, Oracle DB 11g, WebLogic 11g,
Oracle Service Bus 11g, Maven, Scrum (Method).
2008-04 - 2008-07
Technologies: SOA, J2EE/Java, Oracle ADF 11g, EJB3, JPA2, JAX-WS, JAXB, Oracle DB 11g, WebLogic
11g, Oracle Service Bus 11g, Maven, Scrum (Method).
2003-10 - 2008-04
dynamically optimize of the articles located in stock based on their turnover rate. For
performance reasons the system included a lot of PL/SQL.
Technologies: J2EE/Java, PL/SQL, Swing, Spring, JMS, AquaLogic, Hibernate, Oracle Database 9-10g, Ant, XP/Scrum (Method).
Worked on projects in Denmark, Norway, Sweden and the US.
2003-10 - 2007-04
Manager Alm Brand Eva Kamilla Schramm-Nielsen +45 29297726
Colleague Alm Brand Kim Alster +45 51922956
Scrum Master Danske Bank Astrid Aaby +45 24984872
Manager Danske Bank Søren Hagensten +45 30102463
Colleague Maersk Jens Riis +39 3486706568
Manager Maersk Allan Harsmann +45 29917422
Colleague Steria & Maersk Mads Neergaard +45 26306029
Akademisk baggrund
2020-02 - 2017-01
2012-01 - 2015-01
2006-01 - 2009-01
2001-01 - 2003-01
Certificeringer
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