{Curriculum vitae.}

Stefan Haberl

Wittenbauerstr. 67/1
8010 Graz
Austria

stefan@craftbytes.at

Stack Overflow Profile LinkedIn Profile XING Profile

Core Qualifications

  • Senior full stack developer
  • Team player who thrives in challenging environments
  • Top 3% committer on Stack Overflow
  • 20 years+ industry experience

Methodology

  • Test & Domain Driven Development
  • Code Reviews
  • Pair/Mob Programming
  • Remote Teams
  • Scrum

Certifications

AWS Certified Cloud Practitioner Sun Certified Java Developer SpringSource Certified Professional

Special skills and interests

  • Certified skiing instructor
  • Travel photography

Technical Skills

Backend

Java 17
100%
Spring Boot/Microservices
100%
REST APIs
100%
Messaging (Amazon SQS/SNS, ActiveMQ)
85%
Reactive Spring
85%
Node.js
60%

Persistence/Database

ORM (JPA/Hibernate/MyBatis)
100%
Spring Data
100%
SQL (Postgres/Oracle)
90%
NoSQL (DynamoDB)
80%

Frontend

Templating (Freemarker/Mustache/Jasper)
100%
HTML5/CSS3, Mobile First
80%
Javascript
70%
React w/ Typescript, Material UI
70%

Infrastructure as Code/Cloud native

Docker/Docker Swarm, AWS Fargate
85%
CI Pipelines (Gitlab CI/Jenkins)
85%
AWS Cloud
75%
Terraform/Terragrunt
75%

Language Proficiency

German (native speaker)
100%
English (fluent)
100%
Español (good knowledge)
70%