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Jonathan Krauß

Test Automation Engineer (Freelancer)

Jonathan Krauß
Kirchlinteln, Germany

Experience

Oct 2024 - Apr 2025
7 months

Test Automation Engineer (Freelancer)

Bank Verlag GmbH

  • Refactoring test automation (Java/Kotlin)
  • Implementing integration tests (Cucumber, Gherkin)
  • Bug fixing and implementing new features in pair programming
  • Implementing test processes in CI/CD architecture (GitLab)
  • Planning and creating a test concept
  • Analyzing business processes to assess test coverage
  • Bug tracking and verification (Kubernetes/k8s, Kibana)
  • Extending GitLab CI deployment pipelines
  • Evaluating logs and metrics
  • Implementing tests to verify security requirements (PCI DSS/ISO 27001)
Oct 2023 - Mar 2025
1 year 6 months

Cloud Engineer (Freelancer)

VTG Rail Europe GmbH

  • Establishing a group-wide k8s monitoring framework (AWS/Datadog) with Terraform
  • Implementing new features (Kotlin/Java)
  • Automating deployments with Helm
  • Implementing technical and functional metrics
  • Setting up new data streams in AWS (SNS, SQS)
  • Extending and maintaining AWS infrastructure with Terraform
  • Maintaining Kubernetes (k8s) clusters
  • Configuring and integrating automated dependency updates with Renovate
  • Extending GitLab CI/CD pipelines
  • Automating processes using a workflow tool (Argo Workflow)
  • Supporting the development team
  • Analyzing operational issues and implementing (bug) fixes
  • Developing test strategies and best practices
  • Supporting unit and integration test implementation
Apr 2023 - Sep 2023
6 months

Test Automation Engineer (Freelancer)

VTG Rail Europe GmbH

  • Consulting, designing and adapting test frameworks (Cypress, TestCafe)
  • Executing manual tests
  • Advising front-end and back-end development on quality assurance
  • Increasing test coverage
  • Implementing integration tests
  • Expanding and refining quality goals according to ISO 25010
Aug 2022 - Mar 2023
8 months

Software Tester / Testautomatisierer (Freelancer)

mecom Medien-Communikations-Gesellschaft mbH

  • Planning and creating test scenarios
  • Preparing test data and executing tests
  • Automating tests in a container environment (Java, Cucumber)
  • Ensuring test coverage
  • Enhancing the test framework
  • Administering the test environment (Linux)
Jan 2022 - Jul 2022
7 months
Munich, Germany

Software Quality Assurance Manager (Freelancer)

ProSiebenSat.1 Media SE

  • Adapting and implementing a test strategy
  • Planning and creating test scenarios
  • Preparing test data and executing tests
  • Assessing current quality risks
  • Advising on software system acceptance decisions
  • Automating software tests (Java, Cucumber)
  • Enhancing the company's test framework
  • Developing tools to support testing
  • Leading and executing release rollouts
  • Moderating UAT workshops with key users
  • Acting as the quality expert contact for partner projects
Feb 2020 - Sep 2022
2 years 8 months
Hamburg, Germany

Software Developer

Hermes Germany GmbH

  • Development and integration of event-driven data streams/systems in cloud environments (AWS, GCP)
  • Creation of fully automated CI/CD deployment pipelines (GitLab CI, Bitbucket Cloud)
  • Deployment automation via IaC (CloudFormation, Terraform)
  • Administration and operation of AWS and Google Cloud
  • Customer segment analysis and prototyping
  • Monitoring, logging, and data analysis
Feb 2019 - Jan 2020
1 year
Hamburg, Germany

Quality Assurance Engineer

Hermes Germany GmbH

  • Development of test strategies
  • Frontend tests with TestCafe
  • Test automation within distributed systems
  • E2E tests in container environments
  • Development of methods for test data provisioning
  • Deployment automation with GitLab CI
  • Test management
  • Exploratory testing
  • Security testing
Dec 2017 - Jan 2019
1 year 2 months
Bremen, Germany

Quality Assurance Expert

CTS Eventim Solutions GmbH

  • Software development using Scrum (AngularJS)
  • UI testing (AngularJS/Protractor)
  • Creation of CI/CD pipelines (Jenkins, GitLab)
  • Maintenance of technical backlogs
  • Building and migrating test automation (Selenium)
  • Quality management
Jun 2016 - Nov 2017
1 year 6 months
Bremen, Germany

Working Student

CTS Eventim Solutions GmbH

  • Quality assurance
  • Test automation for web applications
  • Release planning
  • Deployment approval
  • Regression and integration testing
  • 3rd-level support
Sep 2015 - Mar 2016
7 months
Bremerhaven, Germany

Student Assistant

Hochschule Bremerhaven

  • Conducting tutorials
  • IT system maintenance
  • Preparing workshops (quality management) and creating a concept for a test automation pipeline with Jenkins CI

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 Transportation (5.5 years), Information Technology (3 years), Media and Entertainment (1 year), Banking and Finance (0.5 years), and Education (0.5 years).

Transportation
Information Technology
Media and Entertainment
Banking and Finance
Education

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 (7.5 years), Quality Assurance (6.5 years), Business Intelligence (2.5 years), Operations (2.5 years), and Project Management (1.5 years).

Information Technology
Quality Assurance
Business Intelligence
Operations
Project Management

Skills

  • Cloud Engineering
  • Datadog
  • Kubernetes
  • Kotlin
  • Renovate
  • Test Frameworks: Testcafe, Cypress, Selenium, Cucumber
  • Testmanagement
  • Amazon Web Services
  • Google Cloud
  • Gitops
  • Spring Boot
  • Javascript / Typescript
  • Terraform
  • Grafana
  • Prometheus
  • Bitbucket Cloud
  • Gitlab Ci
  • Maven
  • Helm

Languages

German
Native
English
Advanced

Education

Oct 2014 - Dec 2017

Bremerhaven University of Applied Sciences

University degree · Business Informatics · Bremerhaven, Germany

Profile

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Frequently asked questions

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

Where is Jonathan based?

Jonathan is based in Kirchlinteln, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Jonathan speak?

Jonathan speaks the following languages: German (Native), English (Advanced).

How many years of experience does Jonathan have?

Jonathan has at least 9 years of experience. During this time, Jonathan has worked in at least 9 different roles and for 7 different companies. The average length of individual experience is 1 year and 11 months. Note that Jonathan may not have shared all experience and actually has more experience.

What roles would Jonathan be best suited for?

Based on recent experience, Jonathan would be well-suited for roles such as: Test Automation Engineer (Freelancer), Cloud Engineer (Freelancer), Software Tester / Testautomatisierer (Freelancer).

What is Jonathan's latest experience?

Jonathan's most recent position is Test Automation Engineer (Freelancer) at Bank Verlag GmbH.

What companies has Jonathan worked for in recent years?

In recent years, Jonathan has worked for Bank Verlag GmbH, VTG Rail Europe GmbH, mecom Medien-Communikations-Gesellschaft mbH, ProSiebenSat.1 Media SE, and Hermes Germany GmbH.

Which industries is Jonathan most experienced in?

Jonathan is most experienced in industries like Transportation and Logistics, Information Technology (IT), Media, and Entertainment and Publishing. Jonathan also has some experience in Banking and Finance and Education.

Which business areas is Jonathan most experienced in?

Jonathan is most experienced in business areas like Information Technology (IT), Quality Assurance (QA), and Business Intelligence. Jonathan also has some experience in Operations and Project Management.

Which industries has Jonathan worked in recently?

Jonathan has recently worked in industries like Transportation and Logistics, Media, Entertainment and Publishing, and Banking and Finance.

Which business areas has Jonathan worked in recently?

Jonathan has recently worked in business areas like Information Technology (IT), Business Intelligence, and Operations.

What is Jonathan's education?

Jonathan attended Bremerhaven University of Applied Sciences for Business Informatics.

What is the availability of Jonathan?

Jonathan is immediately available full-time for suitable projects.

What is the rate of Jonathan?

Jonathan'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 Jonathan?

To hire Jonathan, 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.

1000
750
500
250
Market avg: 780-940 €
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.