Lead Developer & Software Architect
ISB
(Öffentlicher Dienst, 250-500 Mitarbeiter)
Schlagwörter
Skills
Agile, Scrum, Kanban, TDD, BDD, OOAD, UML, Design Patterns, HTML, CSS, HTTP, TCP/IP, DNS, OWASP, REST, API-Design, Microservices, JavaScript, Vue.js, Node.js, jQuery, ts, SQL, NoSQL, S3, MongoDB, MySQL, PostgreSQL, DynamoDB, JPA, Hibernate, ORM, MyBatis, Java, Spring Boot, Spring, Groovy, JUnit, TestNG, Mockito, AssertJ, Jest, Keycloak, OIDC, 2FA, IdM, OAuth, RabbitMQ, AMQP, JMS, Camel, Lucene, Solr, OpenSearch, ES, Tyk, Nginx, Selenium, TestCafe, Playwright, CMS, HubSpot, Mail systems, stripe, fluentd, FluentBit, Logging, Maven, pnpm, Git, SVN, JetBrains, IntelliJ, GitLab/GitHub, CI/CD, Jenkins, Windows, Linux, Shell, Mac, Jira, Velocity, JSP, EJS, OWASP, Cloud, AWS, GCP, Docker, Kubernetes, helm, IaC, GitOps, Terraform, Serverless, Lambda, EKS, SNS, Monitoring, Prometheus, Grafana
Projekthistorie
09/2022
-
07/2023
- Smarte Schulverwaltung Niedersachsen: Ramping up a 10 years governmental project as part of the architecture team.
- Created the auth system using Keycloak. Created a vue.js component using OIDC. Prototypical integration of third-party user sources using SAML or OIDC brokering. Integrated backend by coding a Keycloak extension.
- Created a self-healing distributed logging system using OpenSearch and FluentBit, that works both with docker-compose and Kubernetes. Created logging lib for each project language. Architectural documentation.
- Set up, documented and managed inhouse Kubernetes clusters using K3s
- Created CD pipelines for all system components using Helm and Jenkins
- Techs: Java, OSGI, JavaScript, Vue.js, PostgreSQL, Jenkins, Helm, Kubernetes, K3s, OpenSearch, ELK, FluentBit, FluentD, Keycloak, OIDC, OIDC brokering, LDAP
01/2019
-
04/2022
Software & Cloud Engineer
Medflex GmbH
(Internet und Informationstechnologie, 10-50 Mitarbeiter)
* Architecture, development, launch, CD-pipelines and operation of a
medical messengers based on AWS and JavaScript
* Transforming a project, embedded in another company's infrastructure
(coliquio GmbH), into a dedicated company with independent tech stack
* Integrated 3rd party products: Hubpot, MailJet, Sendinblue, Vonage,
Stripes, Matomo, Zapier
* Supporting a certification process and migrating from AWS to OVH cloud
* Techs: AWS, OVH, DynamoDB, S3, SNS, EKS, Route53, EC2, Serverless, Lambda, Kibana, Grafana, Node.js, Express, Jest, TypeScript, npm, REST, WebSockets, Swagger, Plotly, Docker, Kubernetes, Calico, Helm, Terraform, Prometheus, Grafana, GitLab, Postman, OIDC, Keycloak, Tyk, RabbitMQ, AMQP, Microservices, MongoDB, React, PWA, Jira, Confluence
medical messengers based on AWS and JavaScript
* Transforming a project, embedded in another company's infrastructure
(coliquio GmbH), into a dedicated company with independent tech stack
* Integrated 3rd party products: Hubpot, MailJet, Sendinblue, Vonage,
Stripes, Matomo, Zapier
* Supporting a certification process and migrating from AWS to OVH cloud
* Techs: AWS, OVH, DynamoDB, S3, SNS, EKS, Route53, EC2, Serverless, Lambda, Kibana, Grafana, Node.js, Express, Jest, TypeScript, npm, REST, WebSockets, Swagger, Plotly, Docker, Kubernetes, Calico, Helm, Terraform, Prometheus, Grafana, GitLab, Postman, OIDC, Keycloak, Tyk, RabbitMQ, AMQP, Microservices, MongoDB, React, PWA, Jira, Confluence
01/2018
-
03/2019
Senior Software Engineer
Mercedes Benz Group AG via Inno-Tec Innovative Technology GmbH
* Digital Vehicle Scanner: taking 360° pictures and capturing axis and tire
data during drive-through
* Design and implementation of the scan process logic; communication
with the given hardware. Bringing into service two kind of scanners: A
drive-through solution for trucks in Augsburg and a parked car scanner on
Mercedes' factory premises.
* Techs: Java, Spring Boot, Swagger, MongoDB, NoSQL, Docker Swarm,
Microservices, REST, State machines
data during drive-through
* Design and implementation of the scan process logic; communication
with the given hardware. Bringing into service two kind of scanners: A
drive-through solution for trucks in Augsburg and a parked car scanner on
Mercedes' factory premises.
* Techs: Java, Spring Boot, Swagger, MongoDB, NoSQL, Docker Swarm,
Microservices, REST, State machines
01/2014
-
10/2017
Head of Backend Development
Chrono24 GmbH
* World's larget marketplace for luxury watches
* Software development in all lifceycles, using Java. Operational support.
* Management of several external employees (Java Freelancer)
* Lead for two teams, including recruitment
* Managing CI Server Jenkins and its jobs
* Introduction of automated browser tests and code quality monitoring
with Sonar
* Software development in all lifceycles, using Java. Operational support.
* Management of several external employees (Java Freelancer)
* Lead for two teams, including recruitment
* Managing CI Server Jenkins and its jobs
* Introduction of automated browser tests and code quality monitoring
with Sonar
04/2013
-
07/2013
Senior Software Engineer
Yellow Pages Group
* Backends integration project in a distributed architecture
* Development of Webservices (both REST und SOAP)
* Migration of the billing process to the new software system
* Development of Webservices (both REST und SOAP)
* Migration of the billing process to the new software system
03/2009
-
12/2012
Senior Software Engineer
Netpioneer GmbH
* Scrum software development across several Java-based projects
* Project randstad.de (2 years, 10 people)
Relaunch site, CMS and job exchange of Germany's biggest agency for
temporary work, including bidirectional integration of SAP
* Project damodo.com (1¼ years, 4 people)
Start-up of a P2P-marketplace for digital media, having a dedicated
credit system
* Project randstad.de (2 years, 10 people)
Relaunch site, CMS and job exchange of Germany's biggest agency for
temporary work, including bidirectional integration of SAP
* Project damodo.com (1¼ years, 4 people)
Start-up of a P2P-marketplace for digital media, having a dedicated
credit system
03/2006
-
09/2006
Software Developer
Friedrich Schiller University of Jena, Department of Finances
* Developing a university internal marketplace for the trade of technical
inventory. Requirment analysis. Techs: LAMP stack.
inventory. Requirment analysis. Techs: LAMP stack.
Zertifikate
SCJP
Sun / Oracle
2010
Reisebereitschaft
In der Stadt Würzburg mit einem Radius von 250 km verfügbar
In Würzburg, I can support you on premises.
In reasonable driving distance, I can travel to your place about once a month.
100% remote: world-wide.
Sonstige Angaben
Keine Festanstellung / Personalüberlassung.
Berufshaftplichtversicherung vorhanden.
Möglichkeit über eine GmbH den Vertrag abzuschließen ist gegen Aufpreis vorhanden.
