Jonathan Krauß
Test Automation Engineer (Freelancer)
Experience
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)
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
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
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)
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
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
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
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
Working Student
CTS Eventim Solutions GmbH
- Quality assurance
- Test automation for web applications
- Release planning
- Deployment approval
- Regression and integration testing
- 3rd-level support
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).
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).
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
Education
Bremerhaven University of Applied Sciences
University degree · Business Informatics · Bremerhaven, Germany
Profile
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