Jonathan Krauß - Test Automation Engineer (Freelancer)

Recommended expert

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