Karl-heinz Gille

DevOps Engineer / JEE-Developer

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Karlsruhe, Germany

Experience

Sep 2023 - Dec 2024
1 year 4 months

DevOps Engineer / JEE-Developer

EnBW

  • Further development of an existing microservice architecture (REST) for asset model management and runtime environment in the cloud.

  • Java development (backend) in the Scrum team.

  • Java (Spring Boot/Security)

  • PostgreSQL

  • Docker

  • AWS Services (Lambda, Cognito, ECS, SQS)

  • IntelliJ

May 2022 - May 2023
1 year 1 month

DevOps Engineer / JEE-Developer

HZD – Hessian Center for Digitalization

  • Development of REST-based microservices for implementing specialized procedures/citizen services as part of the Online Access Act (OZG).

  • Java development (backend) in the Scrum team.

  • Maintenance of GitLab and Kubernetes infrastructure.

  • Java (Quarkus)

  • GitLab

  • Oracle

  • Kubernetes / Docker

  • KeyCloak (OAuth2)

  • Eclipse, Swagger, Postman

Sep 2018 - Nov 2021
3 years 3 months

DevOps Engineer / JEE-Developer

EnBW

  • Web application for managing power plants (assets) and their schedules, document-oriented time series and master data management as a REST service.

  • Java development (backend/frontend) in the Scrum team.

  • Setup and management of Kubernetes clusters.

  • MongoDB administration.

  • Pipeline development with Jenkins CI/CD.

  • Java (Spring Boot/Data/REST/Security, Bootstrap, Thymeleaf, JUnit)

  • MongoDB

  • Jenkins CI/CD

  • Git

  • Maven

  • Kubernetes / Docker

  • Eclipse

Jun 2018 - Aug 2018
3 months

DevOps Engineer / JEE-Developer

EnBW

  • Development of a reactive CRUD prototype in microservice architecture to support technology decision-making for a web portal.

  • Java development in the Scrum team.

  • Setup and management of Kubernetes clusters.

  • Java (Spring Boot/Reactive Web/Data Reactive)

  • MongoDB

  • React

  • Kubernetes / Docker

  • Kafka

Jul 2017 - May 2018
11 months

DevOps Engineer / JEE-Developer

EnBW

  • Generation and deployment of current power plant notifications in the cloud (AWS) as a static website.

  • Java development in the Scrum team.

  • Infrastructure setup and management in AWS.

  • Java SE

  • Amazon S3

  • AWS Lambda

  • Amazon DynamoDB

  • AWS API Gateway

  • Serverless Framework

  • AWS CodeCommit

  • IAM Roles and Policy

  • Eclipse

Feb 2015 - Jun 2017
2 years 5 months

DevOps Engineer / JEE-Developer

EnBW

  • Energy price management with graphical interface (fat client) and Oracle as persistence layer.

  • Java development (backend/frontend) in a SCRUM team.

  • Oracle administration.

  • Java (Spring, Swing, JPA, JUnit)

  • Oracle 11g

  • PL-SQL (scripts, stored procedures)

  • SVN

  • Maven

  • Jenkins

  • Eclipse

  • Bash

Jan 2014 - Dec 2014
1 year

DevOps Engineer / JEE-Developer

Daimler

  • Retrieval of worldwide network node data every 15 minutes.

  • Persistence and graphical presentation of the data in a fat client.

  • Java development.

  • Oracle administration.

  • Java (Spring, Swing, JPA, JUnit)

  • Oracle 11g

  • IBM WebSphere

  • SVN

  • Maven

  • Jenkins

  • Eclipse

May 2012 - Nov 2013
1 year 7 months

Java-Developer

Command AG

  • Development of a framework for the XML-based, dynamic construction of Swing components for an ERP frontend.

  • Java development.

  • Java (Spring, Swing, RMI)

  • SVN

  • Maven

  • Jenkins

  • Eclipse

May 2011 - Feb 2012
10 months

Java-Developer

HPV

  • Evaluation of a JSF component framework and implementation of a CRUD prototype for an insurance company's customer portal.

  • Java (JSF2)

  • SVN

  • Maven

  • Jenkins

  • Eclipse

Skills

Operating Systems:

  • Microsoft Windows
  • Linux (Ubuntu, Suse, Hp-ux)

Programming Languages:

  • Java (J2ee, Quarkus, Spring Boot, Thymeleaf, Jsf)
  • Bash
  • Pl-sql
  • Python (Aws Lambda)

Databases:

  • Mongodb
  • Oracle
  • Postgresql

Infrastructure And Services:

  • Kubernetes
  • Docker
  • Aws

Standard Products And Tools:

  • Eclipse
  • Intellij
  • Swagger
  • Postman
  • Jenkins Ci/cd
  • Gitlab
  • Maven
  • Junit
  • Sonarqube
  • Git
  • Keycloak
  • Kafka
  • Ansible
  • Argocd
  • Longhorn

Methods:

  • Scrum
  • Kanban

Languages

German
Native
English
Advanced
Spanish
Elementary

Education

Karlsruhe University of Applied Sciences

Diploma in Industrial Engineering, Computer Science · Computer Science · Karlsruhe, Germany

Certifications & licenses

AWS Certified Developer Associate

HP-UX System Administrator

iSAQ – Certified Professional for Software Architecture

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