Senior Expert Big Data Solution Architect & Senior Expert Enterprise Java Software Engineer

I have 18+ years working experience in developing Big Data & Full-Stack Enterprise Software applications and consulting in technology across a spectrum of roles in different companies and branches.

• Apache Hadoop
• Apache Spark
• Big Data
• Cloud Computing
• Coremedia
• DevOps
• Infrastrukturarchitektur
• Java (allg.)
• Software Architecture

I have 18+ years working experience in full-stack enterprise software development, data driven applications and consulting in technology across a spectrum of roles in media companies. I am passionate about designing Data-Intensive Applications and Enterprise Software that help build powerful, reliable, scalable, flexible and maintainable solutions for large enterprises.

I am driven to deliver measurable results: Learn fast how software can deliver more value to it's users and iterate quickly. I want to maximize business value and impact of software solutions.

Having worked as a freelancer in Germany and Luxembourg, I helped over a dozen companies with implementing new data/web software or by customizing existing software solutions to support their core business processes thus greatly improving value for businesses, end users and customers.

During this time I could provide advice in many IT areas:

- planning & implementing reliable, scalable infrastructure solutions and enterprise software for mission critical workloads
- building web software solutions which are used by tens of millions of users every month
- building data intensive applications to handle tens of billions of daily data points
- providing companies with analytics data to help decision-making and to streamline business processes
- extending and integrating open and closed source software
- providing strategies for digital transformation of the business
- prototyping new digital business ideas with design sprints in 5 days

My top three character traits
- 100% goal-oriented
- extremely reliable
- top communication

Senior Expert Big Data Architect and Engineer ( 6 + Jahre)
Apache Spark | Apache Hive | Hadoop | Scala | Java | Python | Hive Query Language (HQL) | SQL | NoSQL | Apache Sqoop | Apache Airflow | Apache HBase | Apache Kafka | Gephi | ELK | Elasticsearch | Hazelcast | custom In Memory Solutions

Senior Expert Enterprise Java Software Engineer ( 18 + Jahre)
Java 11 & 17 | OpenAPI REST | Spring Framework | Spring Boot | Quarkus Framework | Hibernate | JUnit 5 | Wiremock | CoreMedia CMS | CoreMedia GSB | AngularJS | Solr | Kibana | Grafana | Prometheus | Microservices | SAP Gateway OData | Mulesoft Anypoint | Camunda Workflow | Spring Statemachine

Senior Expert Cloud Platforms ( 10 + Jahre)
AWS | Google GCP | Azure

DevOps ( 5 + Jahre)
Docker | Kubernetes | Helm | Gitlab Pipeline | Continuous Delivery | Continuous integration | CI/CD | GIT | Linux | Unix

Databases, Search & Delivery ( 14 + Jahre)
SQL: Oracle DB | PostgeSQL | MariaDB / MySQL | ClickHouse | Liquibase
NoSQL: MongoDB | Azure Cosmos DB
Graph Database: Neo4j
Cache: Caffeine
Search: Solr | Elasticsearch
In Memory: Hazelcast in memory grid
CDN: Akamai | LeaseWeb | Amazon CloudFront