Java Developer

1/2018 – offen

Limit Management system (DevOps, Architecture, BA):
- Develop platform and architecture on AWS Lambda for developing Limit management system
- Implementing library for EventSourcing, CQRS, REST (-Hyperlink entfernt-)
- Implementing CI/CD pipeline (Jenkins, Gerrit)
- Lambda development using Clojure
- Integration testing (Java, Selenium, RestAssured)
- Business analyzes, working with business and developers to write specifications and architecture
- Agile, JIRA

DevOps engineering:
- Architecting platform on AWS to support deployment of services in bank
- Automation of deployment and pipeline using Ansible, Python Bash
- Developing of landing page for Small Businesses (AngularJS, Spring Boot, Java)
- Deployment of Apache Kafka cluster (Linux, AWS, Cloudformation, Lambda)
- Customer support (Spring Boot, Apache Kafka)

Engineering workplace:
- Successfully Develop Platform and Client machines for Engineers to work on unmanaged devices from scratch
- AWS, VPN, Ubuntu, Ansible, Python, Lambda, React

Initiatives
- Promote open source and implement process with all approvals for open sourcing code within company

Open source work (Clojure, Ansible, AWS):
- -Hyperlink entfernt-
- -Hyperlink entfernt-

Architekturvisualisierung, DevOps, Jenkins, Ansible

10/2016 – 10/2017

- ​​Java 8
- CI environment with docker, docker swarm, jenkins and git
- JavaEE (JPA, CDI, JAX-RS), Payara AS (payara micro)
- Designing API using REST(ResCU) and CQRS
- Frontend development and refactoring using Vaadin
- Maintaning ElasticSearch cluster
- Apache Kafka, cross region Kafka replication with MirrorMaker
- Zookeeper, Curator Framework for distributed process coordination
- Distributed JPA (Hibernate) L2 cache with Infinispan
- Developing with PostgreSQL database
- Using Liquibase and FlaywayDB for db migration
- Prototyping Debezium for asyncrous transactional messaging​​
- Monitoring and alerting with Prometheus, Log aggregation (Logstash), Sentry
- UI tests using Selenium, setting up testing cluster

DevOps (allg.), Java (allg.)

1/2015 – 9/2015

- Defining architecture for master data integration platform (JavaEE, HIbernate, Wildfly, Linux)-
- Developing master data integration platform (connecting SAP, STEP, SOLR, InDesign)-
- Implementing continuous integration, deployment and delivery using Git, Jenkins, Archiva and SonarQube-
- Setting up Docker containers for integration tests-
- Setting up and maintaining Apache Archiva, SonarQube, Jenkin-
- Setting up and maintaining deployment environments (Java, Linux)-
- Developing maven plug-in for code sever (serving compiled Typescript, CSS resources), client generation (JAX-RS client for Typescript and Java) and versioning and minification of resources during compile time​​-

DevOps (allg.), Java (allg.)