C.W.A. Coder with attitude
Software is in my DNA. I like to design and write code that solves a real problem. Whether it be a small piece of code or a fragment in a large scale enterprise application.
Experience
Unterschied & Macher GmbH, Frankfurt
Senior Software Engineer • 2016 — Present
Cloud (native) software to enable your business.
- Work on different projects on AWS & Azure using Quarkus, SpringBoot, Micronaut, NodeJS and Python
- Projects with AWS Lambda, React, Vue
- Introduce docker and migrate all development-servers to docker
- Implement PoC for a mobile application using bluetooth beacons and ranging.
- Implement Matomo/Piwik Tracking for AEM Content
- Develop JWT connector for Adobe AEM
- AEM Software Develpopment in Java & Groovy
- Internal consultancy
- Facilitate Workshops on AWS Lamba and NodeJS
- Facilitate AWS UG Meeting and talk about AWS Lamba & Kotlin
- Give talks on BlockChain / BitCoin
- Introduce people to Lego Mindstorms as a platform for robotics coding
- Setup Jenkins build pipeline in groovy & Job-DSL
- Maintain Nexus-server
- Taking care of working students
- Develop a BDD test suite
- Setup monitoring with check_mk
BESS GmbH, Frankfurt
Senior Technical Consultant / Senior Software Engineer • 2014 — 2015
Migrate Abacus to Wildfy based JEE application. Support 2nd level support for internal and external customers
- Develop JEE components
- Support non-technical application testing
- Run & maintain Jenkins Buildserver
- Establish docker based selenium grid for run BDD tests
- Part of a team to migrate CVS to GIT
- Setup, configuration of Tomcat, Wildfly, WebSphere and Weblogic application servers
Medical Columbus AG, Königstein
Senior Java EE Engineer • 2014
Redesign and implementation of the core business software
ETECTURE GmbH, Frankfurt
Senior Software Developer • 2012 — 2013
Developing a software to implement parts of a car configurator. Coordinte testing efforts with other remote teams and cutomers.
- Part in a Team of JEE developers
- Setup and maintainance of local and remote test servers
- Implement CI/CD pipeline
Adtech AG / AOL, Dreieich
Senior Software Engineer • 2008 — 2012
Developing SOAP and REST webservices, maintainance and development of HeliosIQ ad server, international 2nd and 3rd Level Support.
- Implement framework to test all published SOAP web services
- Part project manager
- Maintain local and cloud based test servers
Subito, Frankfurt
Software Developer, Consultant • 2007 — 2008
Implement software components to integrate Subito products with customer environment in Java and C++.
- Integrate Subito with bank mainframe
Volker Benders
Architect, Developer, Search Engine Consultant • 2003 — 2007
Consulting and software development.
- Reimplement retrieval functions for a glogal logistice provider in bonn
- Work on a team to visualize car components
- Implement an accounting software for german telecom company
Excalibur / Convera, Munich & Vienna
Technical Consultant / Software Engineer • 2001 — 2002
Architect, design and implement software for our search and retrieval platform. Support sales activities. Provide onsite technical support.
I&S GmbH, Platinum, CA Computer Associates, Munich
Consultant • 1998 — 2001
Consulting and Software Development. Software testing.
- Y2K maintainance for mainframe applications with PL/1 and IMS
- Implement J2EE application to manage test data for car components.
- L10n testing for UniCenter TNG (Paderborn)
Education
University of Applied Sciences Gelsenkirchen
No degree • 1993 — 1998
Electrical Engineering
Technical College
Advanced technical college entrance qualification • 1993
Projects
Systems Engineer, Transportation
Cloud Architect, Senior Software Engineer • 2020 — now
Manage infrastructure and services on AWS (EC2, RDS, MQ..). Implement microservices and web applications using NodeJS and Python. Maintain spring boot based microservices on kubernetes. Implement data managent tools for use with k8s.
User-Tracking, Financial
Senior Software Engineer, Frontend Developer • 2020
Build GDPR compliant solution to help users manage their cookie acceptance preferences. Our solution is based on Osano Cookieconsent and is heavily customized to comply with customers CI/CD policies.
Piwik/Matomo-Upgrade, Financial
Senior Software Engineer, Consultant, System Administrator • 2019 — 2020
Migrate existing piwik instances to matomo. Gather requirements, plan and coordinate upgrade procedures.
Piwik, Financial
Senior Software Engineer, Consultant, System Administrator • 2017 — 2020
Implement Piwik/Matomo with websites implemented with Adobe AEM. Manage Piwik servers for stages test, int and production. Coordinate efforts with implementation partner. Handle customer issues, part project management. Design and implementation of OSGI Services, JavaScript- and JSP components and XSL stylesheets
Development Infrastructure, Information Technology
Infra Bob • 2017 — 2020
Dockerize and Maintain Nexus, Jenkins, SonarQube, Wildfly, JBoss. Implement Jenkins build-pipeline and configuration as code pattern.
Antragsstrecken / Applicant Streches, Insurance
Senior Software Engineer, Consultant, Docker Lead • 2018 — 2019
Implement backend logic for a Wildfly 10 based solution. Setup and maintain Docker based Wildfly server setups. Implementation of CI/CD configurations.
AEM Sinequa Integration, Financial
Senior Software Engineer • 2018 — 2019
Design and implement components to integrate sinequa interface with multiple tenants / websites. Add custom metadata from page contents and JCR structure to indexed pages.
AEM Support, Financial
Consultant, Senior Software Engineer • 2016 — 2018
Bug fixing and implementing new features. Implemented PoC for Authentication via JWT and KeyCloak.
Migrate CQ 5.4 to AEM 6.1, Financial
Consultant & Developer • 2016
Migrating Adobe CQ 5.4 to AEM 6.1. Including system analysis, identifying deprecations, plannig migration strategies and implementing changes with Java, OSGI, ExtJS, XSL and JavaScript
Abacus Migration, Financial
Senior Technical Consultant • 2014-2015
Transform GWT webapp into JEE app on wildfly
Medical
Senior JEE Engineer • 2014
Implement next version of the companies core software. Wildfly, MongoDB, SolR, JSF and Angular,
Hybrid Mobile App, Information Technology
Senior Software Engineer, Part Project Manager • 2013
Develop hybrid mobil app supporting Android and iOS with Apache Cordova. Develop Cordova components, Test-Management
Operieren in Afrika, Charity
Senior Software Engineer • 2013
Pro-bono - build websites for non-profit organisation.
Car-Configurator, Automobile
Senior Software Engineer • 2012
JEE, Testing,
AdServer, Internet
Software Engineer, 2nd & 3rd Level support • 2008-2012
Devlopment and maintainace for HeliosIQ AdServer. Develop Apache Struts Frontend and Kodo based SOAP WebServices.
Account Blocking, Financial
Software Engineer, Consulatant • 2007
Implement software to block / unblock bank accounts and corresponding credit cards
Mortgage Management, Insurance
Software Engineer, Consulatant • 2007
Develop an application to support managent of mortgage loans
Skills
Technical Project Managemant
I'm good at leading a team in a technical sense. I try to help my team achieve the customers goals. In time. And sometimes in money.
Language agnostic
Whether it be a JVM language like Java or Kotlin, something interpreted like NodeJS, Python or languages like PL/1 and JCL - I always try to choose the one that is the best fit for the problem and the team
DevOps, CI/CD Guru
Design and setup of automated system setups using Jenkins, Docker, Groovy, Bash... I Implemented configuration as code pattern to make build processes more reliable and maintainable
Matomo / Piwik Guy
Build a flexible system to implement webtracking on websites hosted on Adobe AEM with JEE, Apache Felix OSGI, Javascript and XSL
Infrastructure Guy
Keeping an eye on all the services and systems. Whether it be docker, kubernetes or native, wildfly, jboss, bare metal or software defined.
Burning Curiosity
Technologies like Docker, Kotlin, Alexa, Serverless... wanted to be explored. Gadgets like MCUs with ESP8266 or ESP32 had to be examined with Python. Lets see whats next - maybe BitCoin stuff....
Lego adict
I'm on Lego since i was a little boy. Today its Mindstorms EV3. And Python.
Recognition
JPMCC 2019 Team Captain
JP Morgan Chase Corporate Challenge • 2019
My team and me arranged for U & M to participate and succeed
Associations
AWS UG, Frankfurt
Volunteer • 2018 — now
Mostly attended meetings. Give talk on Servless with AWS Lambda and Kotlin
JUG, Frankfurt
Volunteer • 2015 — now
Attending meetings. Host session themed You don't need microservices, do you?
Catholic Church AHD
Volunteer • 2006 — now
Manage office IT and train employees on MS Office, Adobe PDF, Capella. Run website
Additional Links
Social Links
- Github: https://cwacoderwithattitude.github.io
- Twitter: http://twitter.com/JavaVolker