Focus on architecture, security and high availability of Kubernetes Clusters.
Certified as AWS Solutions Architect / Developer/ SysOps Administrator
Projekt‐ & Berufserfahrung
4/2018 – offenTätigkeitsbeschreibung
Monitoring, management and further development of the Kubernetes cluster, the CI/CD Pipeline and related AWS Services. Apart from „dockerizing” applications and continuously improving the security and high availability of the cluster, in this project I helped to reduce the AWS costs by half.
Keywords: Kubernetes, Helm, Kops, Docker, Grafana, ElasticSearch, Kibana, Prometheus, Jenkins, FluentD, Route53, API Gateway, EFS, CodePipeline, CodeCommit, CloudFront, S3, CloudFormation, Make, kube-state-metrics, cert-manager
Amazon Web Services (AWS), Kubernetes
3/2018 – 4/2018Tätigkeitsbeschreibung
“Price Validator” project, a microservices project in charge of controlling the quality of 1.5 Billion offers by crawling Idealo affiliated shop sites.
Keywords: SpringBoot, SpringCloud, MongoDB, Grafana, Graphite, ElasticSearch, Kibana, Java8, Jenkins, RabbitMQ, Jenkins Pipeline, Vaadin
MongoDB, Java (allg.), Spring, AMQP
12/2017 – 2/2018Tätigkeitsbeschreibung
This was a microservices project supported by Vue.js in the frontend and Java 8, JEE, Docker and several AWS services in the backend. CloudFormation templates and the Jenkis Pipeline were setup for continuous deployment on AWS.
Keywords: Docker, EC2, ECR, SNS, SQS, DynamoDB, CloudFormation, CloudWatch, S3, Vue.js, REST services, Keycloak, Ngnix, Jenkins.
Docker, Java (allg.), Jenkins, Cloud Computing, Amazon Web Services (AWS)
8/2017 – 10/2017Tätigkeitsbeschreibung
As a contractor I helped the company to downsize its Backlog, completing task in different areas like: automated testing with Selenium, custom bean validation rules (JSR 380) and many reflection utilities to enhance their OSGI-like web management tool.
Keywords: Java 8, Guice, JPA, EclipseLink, Selenium, JSR 380 (Bean Validation 2.0)
Java (allg.), Selenium, Kryptologie
3/2017 – 7/2017Tätigkeitsbeschreibung
I mainly work here optimizing the company’s dashboard from their “customer loyalty” a
product deployed on AWS (Amazon Webservices). I’ve been in charge of
administration of several AWS services like: RDS, IAM and the custom CDN built on
S3 with CloudFront
Keywords: AWS, RDS, S3, EC2, SQL, Java, MySql.
mySQL, SQL, Apache Tomcat, Application Development, Java (allg.), Java-Frameworks, Linux Entwicklung, Spring, JSP (Java Server Pages)
1/2013 – 2/2017Tätigkeitsbeschreibung
As lead Java developer, I worked in a team responsible of interconnect different
payment gateways with Payco's backend infrastructure, I redesigned the company's
"Fraud Rules Engine" and was responsibility to create the regression tests for the
whole application using Selenium and JBehave.
Keywords: Java, Spring Boot, GWT, Selenium, JBehave, MySql
mySQL, MongoDB, Testing (IT), Testautomatisierung, Apache Tomcat, Software Design, J2EE (Java EE), JUnit, Linux Entwicklung, Spring, Ajax
12/2010 – 12/2012Tätigkeitsbeschreibung
Calypso Developer, focus on reporting, workflow, import and exportation of deals and
scenario simulations of IRD (Interest Rate Derivatives) and EQO (Equity Options).
Keywords: Java, Swing, Apache CXF, Spring, Sybase, Linux, Calypso
4/2009 – 12/2010Tätigkeitsbeschreibung
This was almost a two year experience upgrading a web application to match the new
user requirements of speed and interactivity.
-Migration of a JSP web application into to a single page AJAX application using
GWT, applying a Portlet concept.
JUnit, JSP, CSS, MSSql, UML
12/2006 – 4/2009Tätigkeitsbeschreibung
Enhancement from a web application, an ITIL complaint tool, for service management. I played following roles:
Design of an dashboard using JFreeChart.
Prove of concept for integration of GWT.
Implementation of new features requested by customers (RFC)
XSLT transformations and work with web services
Setting best practices for using Selenium, an automatic testing tool.
Redaction of use cases
PostgreSQL, Testautomatisierung, Apache Tomcat, JUnit, Spring
Developing Web applications using Spring Boot/MVC, Hibernate and GWT
Creating automated tests with Selenium, JBehave and Jenkis
Working with AWS (Amazon Web Services) and GAE (Google App Engine)
a AWS Certified: Solutions Architect, Developer and SysOps
a microservices enthusiast using Docker but more fanatic of serverless architecture with AWS Lambda or Google Cloud Functions.
an "activist" of software good practices like: design patterns, code reviews, unit testing, regression testing, etc.