Skills

Backend

Java (+ Frameworks)

90%

Groovy

70%

Phyton

60%

Bash Scripting

55%

Microservice Arch.

85%

Infrastructure / Tools / Services

Kubernetes

80%

Helm

80%

Docker

85%

OpenShift

45%

Grafana

65%

Prometheus

50%

Kibana

65%

FileBeat

55%

MinIO (S3 Buckets)

70%

HashiCorp (Encryption/Descryption/Key Management)

65%

Kafka

70%

Camunda

50%

Form.io

50%

CMS

FirstSpirit 5.x

90%

CI / CD

Jenkins

90%

GitLab CI/CD

75%

Github Actions

80%

Azure DevOps

65%

Databases / DB-Libraries / DB-Tools

PostgreSQL

75%

Oracle DB

75%

MySQL

75%

MongoDB

65%

Hibernate / JPA

87%

Liquibase

80%

Flyway

80%

Etcd

60%

Elastic Search

50%

Redis

55%

Build Tools

Maven

90%

Gradle

70%

NPM

78%

QS & Testing

JUnit

90%

ArchUnit

75%

Mockito

80%

TestContainer

75%

SonarQube

85%

Identity & Access Management

OAuth2 / OpenID

85%

KeyCloak

85%

LDAP

60%

Cloud Computing

AWS

80%

Azure (IAM, AKS, BlobStor., CosmosDB, Files)

60%

IBM Bluemix (Kubernetes, Elastic Search, MongoDB)

50%

Frontend

JavaScript

50%

TypeScript

50%

Angular

45%

ReactJS

40%

HTML

60%

CSS

40%