Allal K.
Java Senior Full Stack Developer
Experience
Java Senior Full Stack Developer
ÖRAG Insurance
Further development of a policy management system (contract/claim) for the legal expenses insurer ÖRAG. Senior software developer. The team has 12 developers.
Migration and modernization of legacy systems:
- Rewrote C and C++ code into Java to improve maintainability, scalability, and performance.
- Refactored Python to Java, including optimization and integration into modern architectures.
Development of the following rate calculators for the year 2024:
- Private
- Corporate
- Physicians
- Farmers
- Owner-occupied G + H
- Landlord
- Motor
- Association
- Top managers
- Sales agents
- Special criminal
- Savings bank
- Municipal
- BayGT
- Physicians
- Dehoga
Technologies used: Java 8/11, Java EE, WebLogic, JPA, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, 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 its clients like HUKde, HUK24, and VRK. The team has 8 developers and 4 domain consultants.
Tasks:
- Software developer (backend).
- Development and enhancement of the following rate calculators:
- Motor third-party liability insurance
- Household contents insurance
- Personal liability insurance
- Accident insurance
- Residential building insurance
- Animal owner liability insurance
- Home and landowner liability
- Trailer & caravan insurance
- Moped insurance
- Migration of services from Gradle to Maven.
- Migration of services from OpenShift 3 to OpenShift 4.
- Co-developed the action service as a Quarkus application and deployed it in AWS.
Technologies used: Java 8, Java 11, Java 17, Java EE, Microservices, Quarkus, OpenAPI, RESTful, Hazelcast, AWS (Lambda, ALB, NLB, S3, DynamoDB, VPC, Route 53, Public/Private API Gateway, WAF, etc.), Terraform, JAX-RS, Swagger, CI, CD, Maven, Gradle, Jenkins, GIT (Azure DevOps), IntelliJ, JUnit, Mockito, Jira, SonarQube, Scrum, OpenShift 3, OpenShift 4, Helm Charts, Splunk, Docker, SOAP, Open Liberty.
Java Senior Full Stack Developer
ÖRAG Insurance
Further development of a policy management system for the legal expenses insurer ÖRAG. Role: software developer. The team has 12 developers.
- Technologies used: Java 8, Java EE, WebLogic, JPA, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, GIT (Bitbucket), Eclipse, JUnit, Mockito, Jira, SonarQube, Scrum, Apache Wicket, Workflow.
New development of an application for ÖRAG legal expenses insurance. Role: software developer. The team has 4 developers.
- Technologies used: Java 8, Spring Boot, Docker, Kubernetes, RESTful, GIT, Maven, ESB MuleSoft, Eclipse, etc…
Development of the following rate calculators:
- Private
- Corporate
- Physicians
- Farmers
- Owner-occupied G + H
- Landlord
- Motor
- Association
- Top managers
- Sales agents
- Special criminal
- Savings bank
- Municipal
- BayGT
- Physicians
- Dehoga
Java EE Senior Software Developer / Consultant
Taxes/Tax/
New development of a country-by-country reporting application for multinational corporations. The application allows multinational companies to submit their financial figures to tax authorities. The project was done as a greenfield project. Role: software developer & software architect. The team has 6 Java developers.
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 (Java bean mappings), Cluster.
Java Full Stack Developer
Bank/Car Dealership
Development of RESTful web services in an existing microservice architecture & Spring Boot application (legacy system) in the car dealership sector. Role: implementation of RESTful web services. The team has 3 Java developers.
The web services include various functions:
- Financing
- Lease calculation
- Scoring
Technologies used: Java 8, microservices, Spring Boot, Jersey, Jackson, JPA, Hibernate, CI, CD, Informix and Oracle DB, Git, Maven, Jenkins, Swagger, MagicDraw, UML, Eclipse, SoapUI, Trend, Jira, Confluence, Scrum.
Senior Java Developer
Logistics/Retail
Implemented the Logical Integration Services (LOIS) for an ERP system. LOIS is the core and carrier layer for ERP data, integrating DWH, PL-Store, Streameserve, OSIS, WebDispo, LogoMate, ELVS, DB2, BigData (Hadoop).
LOIS consists of the following components:
- ATM order module
- DPM planning module
- SDM master data module
- BSM inventory data module
- EKM purchasing cooperation module
Role: Implementation of Logical Integration Services. The team included 8 Java developers.
Technologies: Java 8, JEE6, JBoss-EAP-6.4.4, UML, JPA, JMS, JAX-B, IBM MQ, Hibernate, DB2, IBM HOST, SVN, Git, Maven, JUnit, Mockito, MagicDraw, Bizagi Modeler, Eclipse, Postman, ZOC, Squirrel SQL, Jira, Confluence, SonarQube, QuickBuild, Citrix, SpiraTest, Scrum, CI, CD, Jenkins.
Senior Java Consultant and Developer
Fashion/Retail
Supported a client in implementing an ERP system (web application). Tasks: Designed the relational database model and implemented the web application based on BPM. The project included 8 developers without a business unit.
Technologies: 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
Supported a client in implementing an ERP system (interfaces). Tasks: Designed the interfaces to SAP Retail and implemented the interfaces based on SOAP. The project included 5 developers without a business unit.
Technologies: 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
Designed and developed a cloud solution (Hosted PBX) based on various hardware and software. Tasks: Analysis, design and implementation. The project included 9 developers.
Technologies: Java, JEE, LDAP, DHCP, Men&Mice, OpenNMS, EJB, JMS, JBoss, IceFaces, XML, JAXB, SAX, DOM, Ant, Eclipse, CVS, PostgreSQL DB, SOAP, Siemens OpenScape Voice PBX, SIP, MS Office, CI, CD.
Senior Java Developer
Telecommunications
Developed a two-part domain management system for Deutsche Telekom (DTAG). Tasks: Implementation and testing. The project included 14 developers.
- Domain Name Delegation Tool for client authorization. Identifying the contract, order processing, and control system to support the DNS provisioning process.
- Web-based software for capturing and validating domain orders. Email and web-based customer interface to generate production-ready orders with the following functions: order receipt, validation, forwarding, confirmation, tracking, email forwarding.
Technologies: Java, Java SE, JAXB, SAX, DOM, JBoss 4.2.2, Spring 2.5, JSF (Tomahawk), RichFaces, J2EE, Oracle, Hibernate, Maven, Eclipse, MS Office.
Developer
Retail
Development of a web application including a web shop. The web application includes, among other things: an extensive tree view, migrated Flash animations, a web service for financing requests, a route planner, a tabular comparison of products, JavaMail API for automated email sending (order confirmation). Tasks: implementation and testing.
Used technologies: Java, Java SE, Eclipse, Hibernate, JSP, JSF, JUnit, CSS, HTML, JavaScript, ICEfaces, UML 2, SQL, MS Office.
Developer
Government Agency
Development of an administration platform for the Ministry of Schools and Further Education of the state of North Rhine-Westphalia to map budgetary staffing management and compare budgeted posts with the pedagogical staffing needs at schools. Tasks: analysis, design, implementation and testing.
Used technologies: ICEfaces, Jasper Reports, Ant, Java / Java SE, Apache Tomcat, IBM WebSphere Application Server, Subversion client TortoiseSVN, DB2, MS Office.
Architect, Developer
University
Thesis: design and development of a cosmetic surgery platform using the JBoss Seam framework, JBoss Application Server and MySQL database. Tasks: analysis, design, implementation and testing.
Used technologies: JEE, JBoss Seam, JBoss Application Server, MySQL, Hibernate, JSF, Facelets, AJAX, Drools, Eclipse, Ant, Unix / Linux (Debian), UML, MS Office.
Developer
University
Design and development of a shop system as part of an internship. Tasks: analysis, design, implementation and testing.
Used technologies: JSP, Servlets, Apache Tomcat, MySQL, JavaBeans, MS Office.
Developer
University
Design and development of a travel connection system. Tasks: analysis, design, implementation and testing.
Used technologies: Java, Java SE, jaxServlets, Apache Tomcat, MySQL, JavaBeans.
Languages
Education
University
Diploma in Computer Science, thesis: design and development of a cosmetic surgery platform · Computer Science
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