Allal Kharaz
Java Senior Full Stack Developer
Experience
Java Senior Full Stack Developer
ÖRAG Insurance
- Further development of a policy management system (contracts/claims) for ÖRAG legal expenses insurance
- Senior software developer in a team of 12 developers
- Migration and modernization of legacy systems: rewrote C and C++ code in Java, refactored Python to Java including optimization and integration into modern architectures
- Development of the following rate calculators for 2024: private, corporate, medical, agricultural, owner-occupied G + H, landlords, motor, association, top managers, commercial agents, special criminal, savings banks, municipal, BayGT, medical, Dehoga
- Technologies used: Java 8/11, Java EE, WebLogic, JPA, JTA, CI, CD, Jenkins, DB2, Maven, GIT (Bitbucket), Eclipse, JUnit, Mockito, Jira, SonarQube, Scrum, Apache Wicket, workflow
Java EE / Microservices Senior Software Developer / Consultant
HUK-Coburg Insurance
- Development of various rate calculators as microservices for HUK-Coburg and clients (huk-de, huk24, VRK)
- Backend development in a team of 8 developers and 4 domain experts
- Implementation and enhancement of rate calculators: motor liability, home contents, private liability, accident, residential building, animal owner liability, house and landowner liability, trailer & caravan insurance, moped insurance
- Migration of services from Gradle to Maven and from OpenShift 3 to OpenShift 4
- Development of a promotional service as a Quarkus application and deployment in AWS
- Technologies used: Java 8/11/17, Java EE, microservices, Quarkus, OpenAPI, RESTful, Hazelcast, AWS (Lambda, ALB, NLB, S3, DynamoDB, VPC, Route 53, API Gateway, WAF), Terraform, JAX-RS, Swagger, CI/CD, Maven, Gradle, Jenkins, GIT (Azure DevOps), IntelliJ, JUnit, Mockito, Jira, SonarQube, Scrum, OpenShift 3/4, Helm Charts, Splunk, Docker, SOAP, Open Liberty
Java Senior Full Stack Developer
ÖRAG Insurance
- Further development of a policy management system for ÖRAG legal expenses insurance in a team of 12 developers
- New development of an application for ÖRAG legal expenses insurance in a team of 4 developers
- Development of the following rate calculators: private, corporate, medical, agricultural, owner-occupied G + H, landlords, motor, association, top managers, commercial agents, special criminal, savings banks, municipal, BayGT, medical, Dehoga
- Technologies used: Java 8, Java EE, WebLogic, JPA, JTA, CI/CD, Jenkins, DB2, Maven, GIT (Bitbucket), Eclipse, JUnit, Mockito, Jira, SonarQube, Scrum, Apache Wicket, workflow, Spring Boot, Docker, Kubernetes, RESTful, MuleSoft ESB
Java EE Senior Software Developer / Consultant
Taxes/Tax
- New development of a country-by-country reporting application for multinational corporations from scratch in a team of 6 Java developers
- Software developer and software architect
- Technologies used: Java 8, Java EE, JBoss EAP 7.1, JSR 352 (Batch), JPA, JTA, CI/CD, Jenkins, Oracle DB, Maven, GIT, Eclipse, JUnit, Mockito, Jira, Redmine, SonarQube, Scrum, HA-Singleton, JSF, PrimeFaces, SFTP, email, CDI, Quartz, SOAP, Enterprise Job Scheduler, Liquibase, MapStruct, cluster
Java Full Stack Developer
Bank/Car Dealership
- Development of RESTful web services in an existing microservice architecture and Spring Boot application in the car dealership sector
- Implementation of functions for financing, leasing calculation, and scoring in a team of 3 Java developers
- Technologies used: Java 8, microservices, Spring Boot, Jersey, Jackson, JPA, Hibernate, CI/CD, Informix, Oracle DB, Git, Maven, Jenkins, Swagger, MagicDraw, UML, Eclipse, SoapUI, Jira, Confluence, Scrum
Senior Java Developer
Logistics/Retail
- Implementation of the Logical Integration Services (LOIS) for an ERP system in a team of 8 Java developers
- Implementation of modules: ATM order module, DPM planning module, SDM master data module, BSM inventory data module, EKM purchasing cooperation module
- Technologies used: Java 8, JEE 6, JBoss-EAP 6.4.4, UML, JPA, JMS, JAXB, IBM MQ, Hibernate, DB2, IBM Host, SVN, Git, Maven, JUnit, Mockito, MagicDraw, Bizagi Modeler, Eclipse, Postman, Squirrel SQL, Jira, Confluence, SonarQube, QuickBuild, Citrix, SpiraTest, Scrum, CI/CD, Jenkins
Senior Java Consultant and Developer
Fashion/Retail
- Support for a client in implementing an ERP system (web application) in a team of 8 developers without a business department
- Design of the relational database model and implementation of the web application based on BPM
- Technologies used: Java 8, Spring Framework, Spring Security, Spring MVC, JSF, PrimeFaces, EclipseLink, JUnit, Apache JMeter, Apache Tomcat, IntelliJ IDEA, Oracle DB, Activiti BPMN, Maven, CI/CD, Atlassian Confluence, Atlassian JIRA Agile, Atlassian Bamboo, Scrum
Senior Java Consultant and Developer
Fashion/Retail
- Support for a client in implementing an ERP system (interfaces) in a team of 5 developers without a business department
- Design of interfaces to SAP Retail and implementation based on SOAP
- Technologies used: Java 8, JEE, EJB 3.1, WildFly, EclipseLink, Maven, SAP, SOAP, Oracle DB, IntelliJ IDEA, Scrum, Atlassian Confluence, Atlassian JIRA Agile, Atlassian Bamboo, CI/CD
Senior Java Developer
IT service provider
- Design and development of a cloud solution (Hosted PBX) based on various hardware and software in a team of 9 developers
- Analysis, design, and implementation
- Technologies used: Java, JEE, LDAP, DHCP, Men&Mice, OpenNMS, EJB, JMS, JBoss, ICEfaces, XML, JAXB, SAX, DOM, Ant, Eclipse, CVS, PostgreSQL, SOAP, Siemens PBX OpenScape Voice, SIP, MS Office, CI/CD
Senior Java Developer
Telecommunications
- Development of a two-part domain management system for Deutsche Telekom (DTAG) in a team of 14 developers
- Implementation and testing:
- Domain Name Delegation Tool for authorization, contract identification, order processing, and DNS provisioning process
- Web-based software for capturing and reviewing domain orders with order acceptance, validation, forwarding, confirmation, tracking, and mail forwarding
- Technologies used: Java SE, JAXB, SAX, DOM, JBoss 4.2.2, Spring 2.5, JSF (Tomahawk), RichFaces, J2EE, Oracle, Hibernate, Maven, Eclipse
Developer
Retail
- Created a web application including a webshop with a complex tree view, migrated Flash animations, a web service for financing requests, a route planner, tabular product comparison, and JavaMail API for automated email sending (order confirmation)
- Implementation and testing
- Technologies used: Java SE, Eclipse, Hibernate, JSP, JSF, JUnit, CSS, HTML, JavaScript, ICEfaces, UML 2, SQL
Developer
Government agency
- Developed an administrative platform for the Ministry of Schools and Further Education of North Rhine-Westphalia to map budgetary position management and compare staffing and needs
- Analysis, design, implementation and testing
- Technologies used: ICEfaces, JasperReports, Ant, Java SE, Apache Tomcat, IBM WebSphere, Subversion, DB2
Architect and Developer
University
- Thesis: Design and development of a cosmetic surgery platform using JBoss Seam and MySQL
- Analysis, design, implementation and testing
- Technologies used: JEE, JBoss Seam, JBoss AS, MySQL, Hibernate, JSF, Facelets, AJAX, Drools, Eclipse, Ant, Unix/Linux (Debian), UML
Developer
University
- Designed and developed a shop system as part of an internship
- Analysis, design, implementation and testing
- Technologies used: JSP, Servlets, Apache Tomcat, MySQL, JavaBeans
Developer
University
- Designed and developed a travel connection system
- Analysis, design, implementation and testing
- Technologies used: Java SE, jaxServlets, Apache Tomcat, MySQL, JavaBeans
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Insurance (6.5 years), Retail (5.5 years), Information Technology (3.5 years), Fashion (3 years), Telecommunication (1.5 years), and Education (1.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (20 years), Product Development (9 years), and Supply Chain Management (1.5 years).
Summary
In IT since 2004
Position: Senior Java Developer / Architect
Focus: Developing Java SE and JEE based applications front and back end since 2004 (>20 years)
Sectors: Government agency, IT service provider, telecommunications, retail, fashion, taxes, public services, insurance
Skills
Java, Java Se 6, 7, 8, 11, Jee, Quarkus, Openapi, Swagger, Microservices, Jboss-eap, Uml, Ejb, Jpa, Jms, Jax-b, Ax-rs, Ibm Mq, Hibernate, Eclipselink, Jdbc, Db2, Ibm Host, Svn, Git, Cvs, Xml, Maven, Jenkins, Junit, Mockito, Bpmn, Magicdraw, Bizagi Modeler, Eclipse, Postman, Zoc, Squirrel Sql, Jira, Confluence, Sonarqube, Sax, Dom, Quickbuild, Citrix, Spiratest, Web Services (Soap, Rest), Spring Framework, Spring Boot, Primefaces, Richfaces, Ajax, Ant, Birt, Css, Design Patterns, Cleancode, Drools, Facelets, Html/xhtml, Icefaces, Javabeans, Javascript, Jboss Seam, Jsf, Jsp, Jta, Junit, Rmi, Servlets, Tomahawk, Apache Wicket, Docker, Kubernetes, Openshift, Mule, Aws
Unix / Linux, Windows
Oracle, Db2, Mysql, Postgresql, Mongodb, Informix
Jboss, Jboss-eap, Wildfly, Weblogic, Open Liberty, Tomcat
Maven, Sap, Jenkins, Uml, Magicdraw, Bizagi Mod, Scrum
Languages
Education
Diploma in Computer Science · Computer Science
Profile
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