Skills & Competencies 

Programming Languages

• Pro-Level:
• Java: since 2013
• Python: since 2015
• Go: since 2019
• Shell: since 2006

• Beginner/Medium-Level:
• Elixir: since 2020
• JavaScript: since 2018
• Kotlin: since 2020
• C++: professional programming from 2006 until 2012

Persistance

MySQL, Redis, ElasticSearch, MongoDB, PostgreSQL, GraphDB, IBM DB2, Oracle DB

DevOps & Cloud

Docker/Docker-Compose, Kubernetes, GitLab, GitHub, Jenkins, Bamboo, GoogleCloud, Microsoft Azure

Frameworks

Java: SpringBoot, Vert.x, Quarkus, Micronaut, Hamcrest, Cucumber, Lombok, JaCoCo

JavaScript: ReactJS, NodeJS

Python: Flask, FastAPI, Django, SQlAlchemy, Behave

Go: GinGonic, Echo

Elixir: Phoenix, Absinthe

Methods

Agile Evangelist, Test Driven Developement (TDD), Behaviour Driven Development (BDD), Clean-Code-Development (CCD), Continous Integration and Delivery (CI/CD), Automate Everthing - "Let the human THINK and the machine work!"

Software Test

Junit, PyUnit, Browserstack, Cypress, Behave (BDD), Selenium, Cucumber (BDD)

Software Architecture/Design

SOLID, Design-Pattern (GoF), Microservices based on Docker, Refactoring to Pattern, iSAQB® Certified Professional for Software Architecture - Foundation Level (CPSA-F)

API Design

REST, gRPC, WebSocket

Blockchain

Hyperledger Fabric, CORDA