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Karl-Heinz Gille

DevOps Engineer / JEE-Developer

Karl-Heinz Gille
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

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Energy (8 years), Information Technology (2.5 years), Government and Administration (1 year), Utilities (1 year), and Insurance (1 year).

Energy
Information Technology
Government and Administration
Utilities
Insurance

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (12 years) and Product Development (3 years).

Information Technology
Product Development

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

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Karl-Heinz based?

Karl-Heinz is based in Karlsruhe, Germany.

What languages does Karl-Heinz speak?

Karl-Heinz speaks the following languages: German (Native), English (Advanced), Spanish (Elementary).

How many years of experience does Karl-Heinz have?

Karl-Heinz has at least 12 years of experience. During this time, Karl-Heinz has worked in at least 2 different roles and for 5 different companies. The average length of individual experience is 1 year and 4 months. Note that Karl-Heinz may not have shared all experience and actually has more experience.

What roles would Karl-Heinz be best suited for?

Based on recent experience, Karl-Heinz would be well-suited for roles such as: DevOps Engineer / JEE-Developer, Java-Developer.

What is Karl-Heinz's latest experience?

Karl-Heinz's most recent position is DevOps Engineer / JEE-Developer at EnBW.

What companies has Karl-Heinz worked for in recent years?

In recent years, Karl-Heinz has worked for EnBW and HZD – Hessian Center for Digitalization.

Which industries is Karl-Heinz most experienced in?

Karl-Heinz is most experienced in industries like Energy, Information Technology (IT), and Government and Public Administration. Karl-Heinz also has some experience in Utility Services and Insurance.

Which business areas is Karl-Heinz most experienced in?

Karl-Heinz is most experienced in business areas like Information Technology (IT) and Product Development.

Which industries has Karl-Heinz worked in recently?

Karl-Heinz has recently worked in industries like Energy and Government and Public Administration.

Which business areas has Karl-Heinz worked in recently?

Karl-Heinz has recently worked in business areas like Information Technology (IT).

What is Karl-Heinz's education?

Karl-Heinz holds a Master in Computer Science from Karlsruhe University of Applied Sciences.

Does Karl-Heinz have any certificates?

Karl-Heinz has 3 certificates. These include: AWS Certified Developer Associate, HP-UX System Administrator, and iSAQ – Certified Professional for Software Architecture.

What is the availability of Karl-Heinz?

Karl-Heinz is immediately available for suitable projects.

What is the rate of Karl-Heinz?

Karl-Heinz's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Karl-Heinz?

To hire Karl-Heinz, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
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Market avg: 890-1050 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.