15.07.2026 aktualisiert

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LIFERAY, Fullstack, JEE/Quarkus/SpringBoot, Angular, Kubernetes/OpenShift, AWS-EKS/-ECS, IaC/Pulumi

Frankfurt a.M., Deutschland
Deutschland +2
info: Deutschland, Österreich, Luxemburg
Dipl.-Inf. (Univ.)
Frankfurt a.M., Deutschland
Deutschland +2
info: Deutschland, Österreich, Luxemburg
Dipl.-Inf. (Univ.)

Über mich

Schwerpunkte: - LIFERAY/Portal, FullStack/JakartaEE/Quarkus/SpringBoot/REST - Java/Kotlin, TypeScript/Angular/React, Portlet, JSP/JSF/PrimeFaces - Kubernetes/OpenShift/AWS-EKS, Docker/DockerSwarm/AWS-ECS - AWS-Serverless-CDK-Stack(Lambda/API-GateWay/DynamoDB/S3/CloudFront/Cognito) - IaC/Pulumi

Skills

ServerlessFlutterHTMLJavaJavaScriptCloudfrontAmazon S3LinuxDevOpsAmazon DynamoDBOpenShiftAnsibleAngular 2+TypeScriptAWS CDKPulumiPrimefacesDocker SwarmLiferaySpring BootAWS LambdaInfrastructure as Code (IaC)KotlinKubernetesRancherFull Stack EntwicklungApi-GatewayNestJSRestful ApisTerraformAWS EKSDockerMicroservices
mit sehr guten Kenntnissen und Erfahrungen in folgenden Architecture-Stacks & JakartaEE(JEE)-Standards:

+ JSR286-WebPortal-Platform:
- LIFERAY DXP/CE 7.4/7.3/7.2/7.1/6.x: 6-in-1-Platform:
- WebGUI/WebContent/Integration/eCommerce/Collaboration/SocialNetwork
- With Client Extensions (FrontEnd/MicroService/Configuration/Batch)

+ WebGUI-Layer:
- Portlet3.0/2.0(JSR362/JSR286), LIFERAY-Custom-Element-Client-Extension
- LIFERAY-MVC-Portlet/JSP/Clay, LIFERAY-Faces-Portlet/JSF/PrimeFaces
- Bean-Portlet3.0/CDI, PortletMVC4Spring, Spring-MVC-Portlet, Freemarker
- JakartaEE(JEE): JSP/JSTL/EL/JSF(Faces)(Facelets/CustomTag)/Servlet/MVC
- Angular17+/Material/PrimeNG, Signals/NGXS/NgRx/Redux, Selenium/Playwright
- React19+/MaterialUI/PrimeReact/JSX/ZuStand/Redux, Node.js, TypeScript/JS
- HTML5/CSS3/BootStrap/SCSS/Sass/Tailwind, Thymeleaf, Flutter/Dart

+ Service-Layer:
- LIFERAY-REST-Builder/Objects-Model-Builder: REST-API/OpenAPI, GraphQL-API
- LIFERAY-Service-Builder: JSONWS/SOAP (+ Resrce/Perm/Asset/Workflw/Search)
- JakartaEE(JEE): JAX-RS(REST)/JAX-WS(SOAP)/CDI/EJB(Stateful/Stateless/MDB)
- MicroService, WebService, REST/SpringBoot/Quarkus, REST/Express/NestJS

+ Persistence-/Model-Layer:
- LIFERAY-Object-Model-Builder/Objects-FrameWork, LIFERAY-Service-Builder
- JakartaEE(JEE): JPA/JTA/JDBC/NoSQL/BeanValid.; DAO/JDBC/SQL;SpringDataJPA

+ Enterprise-Integration-Layer:
- JakartaEE(JEE): Batch/Mail/JCA/JMS/MDB//JNDI/JAAS/JAXB/JAXP/XML-RPC/StAx
- SSO: OpenIDConnect(OIDC)/OAuth2/SAML2, KeyCloak, WebAuthn/PassKeys, LDAP
- WorkFlow/BPM/GPM: LIFERAY-Kaleo, BPMN2/DMN/CMMN,Camunda/Flowable/Activiti
- Streaming:Kafka; Messaging:ActiveMQ; Integrator:Camel; LIFERAY-MessageBus
- SOA: OSGi, EAI, JMS, WebServices(SOAP/REST, WSRP)
- BI: ETL/OLAP/Reporting/DashBoard, Pentaho, LIFERAY-BI
- WCM: LIFERAY-WCM, IBM-WCM, CMIS, JCR/JSR170/JackRabbit/OpenCMS

+ DBMS-Layer / Store-Layer:
- Oracle, PostgreSQL, MariaDB/MySQL, MS-SQL, DB2, NoSQL/MongoDB/DynamoDB
- AWS-S3-Store/GCP-GCS-Store/Azure-GCS-BlobStore, FileSystem-/CMIS-Store

+ AppServer/WebServer-Layer:
- JEE/OpenLiberty/WebSphere/WildFly/Jboss/Payara/GlassFish, Nginx

+ OS-Layer/VM-Layer:
- Linux/Ubuntu/Debian/RHEL/CentOS/SLES, VMWare/VirtualBox

+ CloudLayer/IaaS/CaaS/PaaS:
- Kubernetes/OpenShift/DockerSwarm/Docker, Rancher, k8s-Operator/CRD/RBAC
- AWS: Kubernetes-EKS/EC2/RDS/S3/ECS/Lambda/API-GTW/CloudFront/CDK, CLI
- GCP: Kubernetes-GKE/GCE-VM/CloudSQL/CloudStorage(GCS)/GCR/IAM, CLI/CDKTF
- Azure: Kubernetes-AKS/VM/SQLDatabase/BlobStorage/ACR/IAM/AD,CLI/CDKTF

+ IT-Automation/IaC/Config:
- Pulumi, OpenTofu/Terraform/CDKTF, Ansible, jsonnet

+ Kubernetes-native CI/CD:
- CI: Tekton; CD/GitOps: ArgoCD/FluxCD; Templating/Config: Helm/Kustomize

+ Progr.-Language / Shell:
- TypeScript/Node.js, Java21/17/8, Kotlin, Go, Python, C#/C++/C, BASH-Shell

+ AI-Assisted-Software-Engineering:
- Cursor(Local AI-native IDE), Models: Composer/Claude/GPT/Gemini/Grok

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit1995

Sprachen

DeutschverhandlungssicherEnglischgut

Projekthistorie

LIFERAY-Entwicklung

LIFERAY-Entwicklung

2025-2026: Konzeption und Entwicklung einer Cloud-Native-Anwendung zur Frühregistrierung für Neuprodukte mit Microservice-Architektur mit SpringBoot und Angular, auf On-Premises-Kubernetes-Cluster

Branche: Online-Handel / eCommerce

Tech-Stack:
  1. Frontend: Angular-20/21, Signals, Zoneless, standalone, reusable Component, Componennt-Composition, Reactive Form, Routes, RxJS/Observable, Interceptor,Guards, Angular CLI, TypeScript, JSON, Node.js, Tailwind CSS, Vite/esbuild, Playwright
  2. Backend: JDK21/Java21, Spring Boot 3.5, SpringDataJPA/PostgreSQL, SpringWebMVC, SpringSecurity (JWT/Claims, BCrypt), DTO/MapStruct, Lombok, Bean Validation, CDI, REST/OpenAPI/Swagger, Gradle, IntelliJ/Eclipse
  3. Infrastructure & Tools: Docker, Kubernetes/Helm, CI/CD, Jenkins, Git/GitLab, Linux, Bash-Shell

2024-2025: Konzeption und Entwicklung einer skalierbaren Anwendung zur Kundenregistrierung und Kundenanfragen-Verwaltung mit Quarkus/JakartaEE/MicroProfile und Angular, On-Premises-Kubernetes-Cluster

Branche: IT

Tech-Stack:
  1. Frontend: Angular-19, Signals, Zoneless, standalone, reusable Component, Componennt-Composition, Reactive Forms, Routes, RxJS/Observable, Interceptor, Guards, TypeScript, JSON, Angular CLI, Vite/esbuild, Tailwind CSS, Node.js, Playwright, Git, Gradle
  2. Backend: JDK17/Java17, Quarkus 3.8+, JakartaEE-10, Micro Profile, Quarkus.Panache, JakartaEE.JPA, PostgreSQL, JakartaEE.Security, JWT, DTO/MapStruct, Bean Validation, CDI, REST/OpenAPI/Swagger, Maven, IntelliJ/Eclipse
  3. Infrastructure & Tools: Docker, Kubernetes/Helm, CI/CD, Jenkins, Git/GitLab, Linux, Bash-Shell

2022-2024: Migration und Erweiterung bestehender Portale (Kunden- und Mitarbeiter-Portal) und Setup eines Liferay-Clusters auf Amazon EKS Kubernetes Cluster via IaC (Infrastructure as Code) mit Pulumi

Branche: Bau- und Bergbaumaschinen

Tech-Stack:
  1. IaC/Pulumi,Kubernetes/AWS-EKS/AWS-ECR, AWS-RDS/AWS-S3, Pulumi-CLI/AWS-CloudShell/AWS-CLI, Rancher
  2. LIFERAY DXP 7.4/Tomcat/JavaEE/JavaSE, PostgreSQL, Oracle, ElasticSearch, Docker/Image, Putty/SSH, Eclipse/IntelliJ, Gradle, JUnit/Mockito/API-Mocking, LINUX/Win
  3. OSGI/Module/Component/Service, Liferay-Client-Extension/CustomElement,Liferay-Headless-API, REST/OpenAPI,SpringBoot, Podman, Git/GitHub, CI/CD/Jenkins/Nexus, GitOps/ArgoCD, Confluence/Wiki/JIRA, Scrum
  4. Angular-17/TypeScript/Node.js, Signals, RxJS, Vite/esbuild, Standalone,Functional Guards, Playwright
  5. Backend(SpringBoot): SpringBoot 3.x, SpringDataJPA/PostgreSQL, SpringWebMVC, SpringSecurity (JWT/Claims, BCrypt), DTO/MapStruct, BeanValidation, CDI, REST/OpenAPI/Swagger, Gradle

2021-2022: Migration und Erweiterung des Public-Portals und Setup eines Liferay-Clusters auf Docker-Swarm-Cluster

Branche: Bank

Tech-Stack:
  1. Docker, Docker-Swarm-Cluster, Liferay-Cluster, HAProxy(Loadbalancer/ReverseProxy), VM-Instance, NFS
  2. LIFERAY DXP 7.3/Tomcat/JavaEE/JavaSE, PostgreSQL/Oracle, ElasticSearch, Docker/Image, Putty/SSH
  3. OSGI/Module/Service, Portlet, Angular/TypeScript/Node.js, REST/SpringBoot, Junit/Mockito/API-Mocking, Podman, Camunda/BPMN, LDAP,Eclipse/IntelliJ, Git/GitLab, CI/CD/Jenkins/Groovy/Nexus, Maven/POM/SBOM, Confluence/Wiki/JIRA, Scrum, LINUX/Win

2019-2021: Entwicklung und Wartung einer eBusiness-Plattform für Tankkarten-, Maut- und Mehrwert-Services auf Basis eines OpenShift-/Kubernetes-Clusters

Branche: Telematics

Tech-Stack:
  1. On-Premises-Cluster, OpenShift(OCP)/Kubernetes/Rancher, Helm, Docker-Container/Image, MicroService
  2. LIFERAY DXP 7.2/Tomcat/JavaEE/JavaSE, OSGi, Portlet, Angular/TypeScript/node.js, WCM/FirstSpirit, SpringBoot, SpringBatch, PostgreSQL, Oracle
  3. Git/GitLab/CI/CD/Jenkins/Nexus, GitOps/ArgoCD, Gradle, Putty/SSH, Eclipse/IntelliJ, JUnit/Mockito/API-Mocking, Podman, JIRA/Confluence/Wiki, Scrum, Linux(Console/Terminal)/RHEL/CentOs, Windows
  4. Monitoring: Grafana(visualization)/Prometheus(metrics collection)/Prometheus-Node-Exporter/ElastAlert
  5. Logging: ELK-Elastic-Stack/Elasticsearch/Logstash/Kibana(Frontend/WebGUI)/fluentd/ElastAlert
  6. Alerting: Prometheus/Prometheus-Alertmanager/Grafana(WebGUI/Dashboard)/ElastAlert/JIRA

2018-2019: Aufbau eines neuen Enterprise-Portals

Branche: Versicherung

Aufgaben:
  1. Setup/Admin Liferay-Portal (Liferay, Oracle, ElasticSearch), impl Bash-Shell-Script, Linux-Admin, Rancher
  2. Liferay-Site-Development: Public-/Private-WebPages/Site, Site-/Page-Templates, Resources-Importer
  3. Look&Feel: analyze/concept & impl gradle-based Themes, ThemeContributor/Appl-Decorator, LayOut-Template, _styled/CSS-Scopes/#banner/#content/#footer, SCSS/Vars/Mixins, Freemarker-Templates, HTML5/SCSS3/Sass/Responsive-Design/Bootstrap, JavaScript/jQuery,
  4. WebContent/CMS: analyze/concept/impl via WC-Structure/WC-Template/Tag/Category/Kaleo-WorkFlow, TagCloud-Portlet, TagsNavigation-Portlet, Categories-Navigation-Portlet
  5. Impl Frontend: analyze/concept/impl via OSGi-Module, Liferay-MVC-Portlet, npm-React-Portlet/TypeScript, React-Application/iFrame-Portlet/TypeScript, PrimeFaces-Portlet, Contract-List-Portlet, Contract-Details-Portlet, Partner-Infos-Portlet, JSP/JSTL/CustomTag, JavaScript/jQuery, Liferay-Customizing
  6. Impl Backend: REST-Webservices/SpringBoot, Liferay-Service-Builder/service.xml/JSON-WS, Messaging
Tech-Stack:
  1. LIFERAY DXP 7.1, JBoss/WildFly,LINUX/RHEL, ActiveMQ Artemis, Oracle, ElasticSearch, Putty/SSH, Eclipse/IntelliJ
  2. OSGi-Module, MVC-Portlet, React/Node.js, Themes, Gradle, Git/GitLab/CI/CD/Jenkins, JIRA/Confluence

2017-2018: Entwicklung einer Community-Plattform für ein nahtloses Fahrerlebnis

Branche: Automobil

Aufgaben:
  1. Liferay-Site-Development/WebPages: Public-/Private-WebPages/Site, Site-/Page-Templates, Dashboard-Page, Garage-Page, Drivers-Page, Experience-Page, Forum-Page, Layout/Themes, WebContents/CMS
  2. Asset-Development: Asset(Driver/Vehicle/Event/Story), Asset-Renderer, Asset-Display-Portlet
  3. Hook-Plugin impl/Customizing: portal-properties-Hook (Portal-Event-Hook,Listener-Hook), language-properties-Hook, custom-jsp-Hook, service-Hook
  4. impl FrontEnd: Spring-MVC-Portlet, Vue-Portlet, article-assets-portlet, dashboard-forum-teaser-portlet,driver-profile-portlet, garage-vehicle-portlet, login-portlet, event-attendee-portlet, HTML5/CSS3/Responsive-Design/Bootstrap, JavaScript/jQuery, WebPages/Layout/Themes, Custom-Fields
  5. impl Backend: Service-Layer/Persistence-Layer impl (Driver, Vehicle, Event, Story, EventAttendee; IgDom-Service, CoSy-Service, VIN/VehicleIdNumber), Liferay-Service-Builder/service.xml/LoccalService/RemoteService/JSONWS, REST-Webservice/SpringBoot

Tech-Stack:
  1. LIFERAY 7.0/Tomcat/Java, OSGi-Module, PostgreSQL, ElasticSearch, Portlet, JavaScript/jQuery/Ajax
  2. Eclipse/IntelliJ, Gradle, Git/GitLab, CI/CD/Jenkins, Maven, JIRA/Confluence/Wiki, Scrum, Putty/SSH, Linux(Console/Terminal)/RHEL/CentOS, Windows

2016-2017: Entwicklung einer Telematik-Plattform für Online-Fleet-Management-Services und Electronic-On-Board-Recorder (EOBR) auf einem Liferay-Cluster in der AWS-Cloud

Branche: Telematics / T-Systems

Aufgaben:
  1. AWS-Admin: AWS-EC2-Instances, AWS-RDS/PostgreSQL, AWS-S3, AWS-LoadBalancer, AWS-VPC, AWS-IAM, AWS-Resources (SecurityGroup, TargetGroup, KeyPair)
  2. Liferay-Admin: Liferay-Portal, Applications on EC2-VM-Instances; impl Bash-Shell-Script, Linux-Admin
  3. Portlet-impl: DisplayVehiclePositions-Portlet, DisplayVehicleTracks-Portlet,FindNearestVehicles-Portlet,ManageCustomers-Portlet, ManageDrivers-Portlet,ManageVehicles-Portlet, ManageTrailers-Portlet, ManageEOBRs-Portlet, ManageDocuments-Portlet
  4. Concept&impl: JSP/OO-JS-FrameWork: Modular-based/Event-based/OO-JavaScript-based, encapsulate/reusable/looseCoupling; Event-based with FrontEnd-LIFERAY-Event-Bus(clientside"IPC"), , Data-Table with SlickGrid.
  5. Concept&impl: MAP-FrameWork(PVT-Map / Geo-Data / Position / Route / Logistics): Generic OO-Map-API / OO-PTVMap-Tasks / autom. Tasks-Processing
Tech-Stack:
  1. LIFERAY 6.2/Tomcat/JavaEE/JavaSE, AWS-EC2/RDS/PostgreSQL/S3, Putty/SSH, Eclipse/IntelliJ, Maven, Git/GitHub, CI/CD/Jenkins, JIRA/Confluence/Wiki, Scrum, Linux(Console/Terminal)/RHEL/CentOS, RPM, Win
  2. LIFERAY-Service-Builder/WebService/SOAPMonitor, JSON based Service-Layer, SPRING-MVC/SpringBoot, JSP/HTML, jQuery/OO-JS/JSON, Slick-Grid/PTV-Map, FrontEnd-Event-Bus, Selenium/Test

2015-2016: Entwicklung einer Provisioning-Plattform für Internet-, TV-, Kabel-, Mobil- und Telefon-Services

Branche: Internet & Telecommunication

Aufgaben:
  1. Portlet-Implementation with current newest Technologies of LIFERAY & JEE & JSF-Frameworks:LIFERAY-6.2-EE, JSF-Portlets-2.x + LiferayFaces + JEE.JSF-2.x + Facelets/CustomTag/XHTML + PrimeFaces,JEE.CDI (Context&Dependency Injection) + Weld, JEE.JPA + SpringData-JPA/Hibernate + SQLCustomQueries/SQL, Bean Validation
  2. Portlet-Implementation: ProductManager-Portlet, ProductSearch-Portlet, ProductList-Portlet,ProductEdit-Portlet, ProductCreate-Portlet,AppPropsManager-Portlet, AppPropsList-Portlet,AppPropsEdit-Portlet, AppPropsCreate-Portlet, DB-based-Pagination
  3. Messaging: Inter-Portlet-Comnunication IPC(serverside), LIFERAY-Message-Bus, Message-Scheduler
  4. Install/Config: Portal-Install/Config, Hooks, WebPages, Themes, Layout-Templates, Custom-Attributes

Tech-Stack:
  1. LIFERAY 6.2/JBoss/JavaEE/JavaSE, Portlet, JSF/PrimeFaces/Facelets, Themes/Freemarker-Template, HTTPS
  2. SpringData-JPA, Oracle, Maven SVN, Eclipse, Scrum/JIRA/Confluence, Putty/SSH,

2013-2014: Entwicklung eines Online-Portals zur Simulator-Buchung für Flugtrainings

Branche: Luftfahrt

Aufgaben:
  1. Portlet-impl: Impl. BookingView-Portlet, ListView-Portlet, PlannerView-Portlet,Offers-Portlet,Basket-Portlet, BasketInfo-Portlet, Basket-Timer, Simulator-Timer via Primefaces/JSF-Portlet; DB-based-Pagination/Sort/Tabs
  2. Order-Processing: request/confirm/reject/shift/cancel/repost,Availabilities/Requests/Offers/ Confirmations,MassOrder-/SingleOrder-Processing,History-List, Scheduled-Jobs, CleanUp-Hook
  3. Messaging: Inter-Portlet-Communication IPC, LIFERAY-Message-Bus, Message-Scheduler/Quartz,LIFERAY-FrontEnd-Messages
  4. Install/Config/Impl: Portal-Install/Config, Hooks, WebPages, Themes, Layout-Templates, WebContents/CMS, Custom-Attributes, Liferay-Customizing

Tech-Stack:
  1. LIFERAY 6.1/Tomcat/Java, Service-Builder/SQLCustomQueries/SQL, Primefaces-Portlet/JSF, MVC-Portlet/JSP
  2. MySQL, Putty-Console/SSH, Linux(Console/Terminal)/CentOS/RHEL, Windows, Microsoft-SQL, Eclipse/SVN, Scrum/JIRA/Confluence

2011-2012: Entwicklung eines Online-Portals für Energieversorger

Branche: Energy

Aufgaben:
  1. Portlet-Implemention: Liferay-MVC-Portlet, DashboardWidgets-Portlet, Navigation-Portlet, Admin-Portlet,DocumentManager-Portlet, SupportContact-Portlet,StromPreisAnfrage-Portlet,StromBestellung-Portlet, AuftragsListe-Portlet, ReportController-Portlet, SendMail, IPC, Liferay-Customizing, Apache FOP
  2. Install/Config: Portal-Install/Config, Hooks, WebPages, Themes, Layout-Templates, Mail/ScheduledJobs
Tech-Stack:
  1. LIFERAY 6.0/Tomcat/Java, Service-Builder, JSP/jQuery, Apache FOP, GlassFish/MySQL, Eclipse, Scrum/JIRA, Putty-Terminal/SSH, LINUX/Ubuntu/Debian, Windows

2010-2011: Entwicklung einer B2B-Webanwendung “Configuration und Calculation Platform (CCP)” zur Konfiguration und Kalkulation von Telekommunikationsprodukten

Branche: Telecommunication / T-Systems

Aufgaben:
  1. WebGUI-Development: JSF/PrimeFaces, Facelets/CustomTag/XHTML, AJAX, HTML/CSS, jQuery/Javascript
  2. Calculation: Opportunity, Offer, ServiceDescription, Asset, Order, Calculation, Invoice
  3. Configuration: Configurator, Product, Catalog, Location, Workbasket, Administration
  4. Multi-Tiers: WebGUI-Layer, BusinessLogic-Layer/Service-Layer, Persistence-Layer

Tech-Stack:
  1. JBOSS/JavaEE/JavaSE, JSF/PrimeFaces/Facelets/XHTML, EJB/Spring/Hibernate/Oracle/SQL, Eclipse/Maven, Scrum/JIRA, Putty-Console/SSH, LINUX/RHEL/CentOS, Windows

2009-2010: Entwicklung eines B2C/B2E-Portals inklusive Redaktions- und CustomerInformation-System

Branche: Finance

Aufgaben:
  1. WebGUI-Layer: Portal-WebPages, JSF-Portlets/MyFaces(Tomahawk), Facelets/CustomTag/XHTML, IPC via Events & Public-Render-Parameters
  2. Service-Layer: SOA/MDA, WebService(Axis2), JMS, Portal-Search/SIAPI/Collection
  3. Persistence-Layer: Facade/SessionEJB3/Spring(DI)/JPA/Hibernate, JNDI/LDAP, DB-Search
  4. WCM/CMS: wcm.api, SiteFramework, Categories, Workflow, AuthoringTemplate, PresentationTempl
  5. Test/Log/Tracing/Docu: JUNIT/MOCKs, Selenium/AutomaticTest, Log4J, JavaDoc/Wiki
Tech-Stack:
  1. IBM WebSphere Portal/Java, IBM-RSA, Eclipse, JSF/MyFaces, Oracle, SVN, Maven/pom.xml, Putty-Terminal/SSH, LINUX/Ubuntu/Windows

2007-2008: Entwicklung einer Webanwendung für eine DHCP-basierte Provisioning-Plattform für Triple-Play-Internet-Services (Internet-Flat, Voice-over-IP, TV-Streaming über ADSL/VDSL via PPP/DHCP)

Branche: Internet & Telecommunication

Aufgaben:
  1. Web-Layer1(GUI): Provisionierung/Management per Struts/Tiles und EJB-/WebService-Client
  2. Web-Layer2: synchr.OrderRequestHndling(History/Convers./Queueing/Ack) per WS/JMS, SIB/WMQ
  3. Business-Layer1: asynchronous transactional Order-Message-Handling per MDB/onMessage
  4. Business-Layer2: asynchronous transactional Order-Processing per SessionEJB/CMT-TX, WS/JMS
  5. Persistence-Layer: Session-EJBs per Hibernate an Oracle-DB, per JNDI an LDAP-Server
  6. Test: (Unabhängiger) Layer-Test per MockEJB/Cactus/HTTPUnit/JUnit/Log4J + Dummies
Tech-Stack:
  1. IBM WebSphere/JavaEE/JavaSE, RAD/Eclipse, SPRING/Hibernate/Oracle, WebService, LINUX/RHEL/CentOS/Win, Scrum

2005-2006: Entwicklung eines Produkt-Informationssystems und Integration von Anwendungen über Webservice

Branche: Internet & Telekommunikation

Aufgaben:
  1. Anbindung Client-Application per Webservices/WSDL/SOAP/XML, EJB/Facade/DTO
  2. Web-App f. Produkte-/Tariffe-Konfig. mit JSP/STRUTS/TILES/EL/JSTL/ActionServlet/ActionForm
Tech-Stack:
  1. WebService/EJB/JSP, JavaEE/JavaSE, SUN-AppServer, Eclipse, PostgreSQL, LINUX/SUSE/Win, TCP/IPMonitor

2003-2004: IBM WebSphere: Online Webshop, Order-Abwicklung, ERP-Anbindung

Branche: eCommerce

Aufgaben:
  1. Architektur-Design, UML-Modellierung, Websites-Entwicklung, EJB-impl(CMP/BMP/Session)
  2. Prozess-Ablauf-Steuerung, Order/Billing-Prozesse, DB/ERP-Anbindung mit XML und XSL
Tech-Stack:
  1. IBM WebSphere Application Server / J2EE / JAVA, Servlet/JSP, WAS/WSAD/Eclipse, DB2/LINUX/2000/CVS

2002-2003: OLAP-Anwendung zur flexiblen Analyse von Daten aus der Oracle-DB mit C#/.NET

Branche: Market Research & Finance

Aufgaben:
  1. GUI für Auswertungsabfrage, DB-Design, Abfrage Kriterien Analyse/impl, Reporting/Statistik
Tech-Stack:
  1. 3-Tiers-Architektur, C#/VisualStudio.NET/XP, Oracle/SQL-Plus/SQL, Serialisierung/XML

2001-2002: IBM WebSphere: Anbindung der externen Geschäftspartner

Branche: Versicherung

Aufgaben:
  1. impl xml/xsd/xsl, JAXP/XALAN-XSLT/COCOON/XERCES-Processing, XML-RDB Composition/Decompos.
Tech-Stack:
  1. IBM WebSphere Application Server, J2EE, JAVA, WAS/WSAD, Microsoft-SQL(MS-SQL)/SQL, 2000/UNIX/CVS

2000-2001: Generische Plattform WebAuftritt/Märkte/Wertpapierhandel für Multi-Banken

Branche: Bank

Aufgaben:
  1. Beratung/Entwicklung der einzusetzenden Tech-Stack JAVA/J2EE/XSL/XML/HTML/CSS
  2. impl WebSites/XSLT für dynamische Web-Contents, DB-Design, dynam. WebSites-Process-Config
Tech-Stack:
  1. Reuters/TIBCO/Marktdaten/NetTrading/News/Charts-Server, JAVA/J2EE, Xml-Spy, Oracle, UNIX/Windwos

1999-2000: Webshop, Zulieferer/Kunden-Anbindung (SCM/CRM), Order-Abwicklung, ERP-Anbindung

Branche: eCommerce

Aufgaben:
  1. Order-/Billing-Prozesse, ERP-Anbindung-Modul mit XML-/XSL, Websites, DB-AcessLayer
Tech-Stack:
  1. Intershop, UML/XML/XSL/XSLT/DOM, CGI/PERL/HTTP/SMTP/FTP/IIS, ODBC/MySQL, E-Procurement

1997-1998: Websites der internen Abteilungen

Branche: Industrie

Aufgaben:
  1. Design und Programmierung der Websites, Implementierung Applets
Tech-Stack:
  1. HTML, Java-Script, CSS, SWING/JAVA/J2EE, Html-Kit, SQL/Oracle, FTP, CVS, NT/LINUX

1996-1997: Tool für die Lagerverwaltung und Konfiguration von Produkten

Branche: Industrie

Aufgaben:
  1. JAVA-Programmierung, Entwicklung der GUI mit SWING, DB-Anbindung mit JDBC und SQL
Tech-Stack:
  1. IBM VisualAge for JAVA/J2EE, SWING, JDBC, SQL, Microsoft-SQL(MS-SQL), ClearCase, NT, SUN

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