The stack:

Languages: Java, Python, TypeScript, JavaScript, SQL, C, HTML, CSS

Frameworks & Libraries: Spring Boot, React.js, Next.js, Node.js, FastAPI, Flask, JUnit, Mockito, Cucumber

Tools: Docker, Kubernetes, Camunda, Sonarqube, Google Cloud Platform, OpenShift Cloud Platform, PostgreSQL, MongoDB, Git, GitHub Actions, Linux, Jira, Figma, Firebase