Profile
Steffen Wappler
Cologne, Germany
it.steffen.wappler@gmail.com
tl;dr
Java and JavaScript Software Development since 2004
Main focus: Java, Spring, JavaScript, Microservice, Web-Frontends, Agility
Industries: Retail, eCommerce, Logistics, Healthcare, Telecommunications, TV & Mobile
Basis: studied technical computer science
Projects
12.2018 – today – Senior Fullstack Software Engineer
Cologne, Industry: TV / Media
Area: TV Productions and Broadcasting
NodeJs, JavaScript, Angular, Java, Spring, Vaadin, Adobe CEP, REST, xHTML, CSS, Hibernate, Yarn, WebPack, Scrum, Kanban
04.2016 – 11.2017 – Technical Lead / People Manager
Cologne, Industry: Retail / eCommerce
Area: BigData, Search & Recommendation
Microservices, Java, Spring, REST, xHTML, CSS, React, Hibernate, SOLR, Hadoop, Spark, Scala, WebPack, Docker, Google Cloud Compute, Kafka, Scrum, Kanban
01.2013 – 03.2016 – Software / System Architect
Cologne, Industry: Telecommunications
Area: Plattform & Services for eCommerce & Customer Relationship Management (CRM).
SOA, Java, Spring, SOAP, REST, WebSocket, JMS, JSP, Freemarker, jQuery, Angular, Grunt, Bower, XSL, XPath/XQuery, XML, JAX-WS, JAX-RS, C#, VB.Net, Scrum, Waterfall
04.2010 – 12.2012 – Senior Software Engineer
Cologne & Minneapolis [USA], Industry: eCommerce
Area: eCommerce Platform Solutions for Enterprise Customers.
Java, Spring, JSP, Wicket, SOAP, REST, noSQL, Cassandra, Html, JavaScript, Ant, Maven, Scrum
04.2008 – 03.2010 – Software Engineer
Hamburg, Industry: Logistics
Area: Web Services and Applications for Logistics Platform
Java, Spring, JSP, Struts, Tiles, SOAP, XSLT, XPath/XQuery, Maven, Kanban, Waterfall, BigData/Aggregation
04.2004 – 03.2008 – Software Developer
Hamburg, Industry: Mobilfunk
Area: Lösungen im Mobilfunkbereich (SMS Versand, Routing, Premium Dienste)
Java, Web-Services, JSP, jBoss Seam, Jsf, Swing, EJB 3.0, Hibernate, xHTML, CSS, WBXML, Extreme-Programming (XP)
Other tools & frameworks
Jira, Confluence, Sharepoint, Elasticsearch, Logstash, Kibana, Grafana
Spring Boot, Spring Data, Spring Security, Spring Batch, Spring HATEOAS,
PHP, Python, Shell Scripting
Docker, Tomcat, Apache WebServer, jBoss AS, WildFly, Jetty, nginx
Oracle RDBMS, H2, MongoDB, postgreSQL, MySQL, JPA, Hibernate, Kafka, JMS
Git, SVN, Ant, Gradle, Maven, Jenkins, Hudson, Bamboo, Stash, Nexus, Archiva
jUnit, Mockito, Cucumber, TestNG, Fitnesse, Selenium, Findbugs, Checkstyle, Emma, SonarQube, TDD, Pairing
Eclipse, intelliJ, Unix/Linux [ubuntu], Windows, Mac