Logo zeitwesentech.com
Fa. Johannes Spreitzer

Senior Fullstack Software Developer
Focused On Java Technologies

Skillset

German, English, Spanish

Master’s Degree in Media+Computer Science, TU Vienna (2010)

Backend / Java Technologies

Akka, Android Stack, AssertJ, BIRT, bucket4j, CDI, Dagger, Flying Saucer, Freemarker, Generics, Google Gson, Google Guice, Google Guava, Hamcrest, Hibernate/JPA, Hibernate Search, Java SE, JAX‑B, JAX‑RS, JSF, JSP, JUnit, JWT, log4j, Liquibase, logback, Lombok, Lucene, Mockito, PDFBox, POI, Reflection, Servlet, Shiro, SLF4J, Struts, Spring Boot, Swagger/OpenAPI, Thymeleaf, Tomcat, Vaadin Flow, Wildfly

DB: DB2, mongoDB, MS Access, mySql, SQL, SQLite

Tools: Artifactory, Jenkins, Maven, Nexus, SonarQube

Person from behind - 'backend'
Person from fron - 'frontend'

Frontend / Web Technologies

CSS, HTML, Javascript, LESS/SASS, PHP

a11y (Accessibility/WCAG), Angular, Bootstrap, ExtJS, GWT, jQuery (+Mobile), Samsung SmartTV, Sencha Touch, WordPress Plugin Development

Server: Apache httpd, nginx

Misc

Adobe Photoshop / Illustrator / Premiere, Amazon Lightsail, Android, API Design, Apple macOS, Arduino, Async Development, Bitbucket, Bitnami LAMP Stack, Clean Code, Docassemble Expert System, Docker, Eclipse, ESP32, ESP8266, Functional Programming / Lambda Expressions / Method References, Git, Google App Engine, IntelliJ, IoT, Jira, Let’s Encrypt CA, Linux Bash, LoRa, Media processing, Microservice architecture, Modellierung (ER), MS Office, MS Teams, MS Windows, OpenVPN, OWASP ZAP, PlantUML, Postman, Raspberry Pi, Slack, SSH, SVN, Syncthing, Testdriven Development (TDD), TFS, Trello, Ubuntu Linux, VBA, VirtualBox, VMWare

Blog

Visit my blog to see some projects

zeitwesentech.com/blog

Contact

Get help with your next project!

> curl -L contact.zeitwesentech.com
{“name”: “Johannes Spreitzer“,
 “tel” : “+436803026367“,
 “mail”: “sayhi@zeitwesentech.com “,
 “web” : “zeitwesentech.com“}

Profiles: XING, LinkedIn, Freelancermap