Skills

Backend Development

Java (+ Frameworks)

90%

Groovy

70%

Phyton

60%

Bash Scripting

55%

Microservice Arch.

85%

Containerization & Orchestration

Kubernetes

90%

Docker

80%

Helm

90%

OpenShift

60%

Monitoring & Observability

Grafana

80%

Prometheus

70%

OpenSearch / ELK

75%

Enterprise Tools & Platforms

Kafka

80%

Camunda

80%

Form.io

78%

FirstSpirit 5.x

90%

Cloud Computing

AWS

80%

Azure

60%

IBM Bluemix

50%

CI / CD & Build Tools

Jenkins

90%

GitLab CI/CD

75%

Github Actions

80%

Azure DevOps

65%

Maven

90%

Gradle

75%

NPM

60%

Databases & Data Storage

PostgreSQL

75%

Oracle DB

75%

MySQL

75%

MongoDB

65%

Redis

55%

Etcd

60%

Elastic Search

50%

Hibernate / JPA

87%

Liquibase

80%

Flyway

80%

MinIO

75%

Security & Identity

OAuth2 / OpenID

85%

KeyCloak

85%

LDAP

60%

Hashicorp (Encryption/Decryption/Key Management)

65%

Testing & Quality Assurance

JUnit

90%

ArchUnit

75%

Mockito

80%

TestContainer

75%

SonarQube

85%

Arquillian

70%

Frontend

JavaScript

50%

TypeScript

50%

Angular

45%

ReactJS

40%

HTML

60%

CSS

40%