Recommended expert

Achille (Aubin) Chimi

Backend/Frontend Developer

Achille Chimi
Vaihingen an der Enz, Germany

Experience

Dec 2024 - Present
1 year 2 months
Germany

Backend/Frontend Developer

ITZ-Bund

  • Development of a microservice application for calculating account bookings
  • Development of backend components with Java / JEE, Quarkus, Kafka, REST API
  • Development of the test component with mocking frameworks (Mockito)
  • Development of unit tests with JUnit / ArchUnit, integration test components
  • Creation of OpenAPI specification format
  • Configuration of CI/CD pipeline
  • Development of frontend component with React
  • Design, further development and optimization of system architectures
  • Migration from MySQL to PostgreSQL
  • Code reviews
  • Java Corretto 21, JEE, Quarkus, Golang
  • Reactive programming with Spring WebFlux, Project Reactor, Liquibase, Elasticsearch, Hibernate, HQL, JPA, SQL
  • Git, Azure DevOps for CI/CD pipeline, YAML, JSON, Swagger UI, Postman, REST OpenAPI, Kafka Streams, Kafka Connect, Log4J, JUnit / ArchUnit
  • Microservices, Jira, Confluence, MySQL, PostgreSQL, Docker, Kubernetes (deployment via Helm charts)
  • Spring Security, OAuth 2, JWT, SonarQube
  • IntelliJ, Maven, logging framework Splunk, Agile Scrum method, Nexus, Vaadin V24, build tool Vite
  • React, React.JS, Node.js, JavaScript, Tailwind CSS, Agile Scrum method, BITV accessibility, Playwright
Jun 2024 - Jan 2025
8 months
Germany

Backend/Frontend Developer

Deutsche Bahn InfraGo

  • Development of a microservice application for route aggregation
  • Development of backend components with Java / Spring Boot
  • Development of the test component with mocking frameworks (Mockito)
  • Development of integration test components
  • Creation of OpenAPI specification format
  • Configuration of CI/CD pipeline
  • Design, further development and optimization of system architectures
  • Frontend development with Angular 18
  • Code reviews
  • Java Corretto 21, Spring Boot / Cloud Native 3.3
  • Git, CI/CD pipeline with GitLab, YAML, JSON, Swagger UI, Postman, Log4J, Hibernate, HQL, JPA, SQL
  • Microservices, Jira, Confluence, PostgreSQL, AWS S3 Bucket, Docker, Kubernetes
  • Spring Security, OAuth 2, JWT, SonarQube
  • Angular 18, RxJS, NgRx Store, PrimeNG, Storybook 4, TypeScript 5.2, Node.js, HTML, SCSS
  • Grafana, IntelliJ, JFrog, Gradle, logging framework Splunk, Agile Scrum method, Vaadin V24
Jun 2024 - Dec 2024
7 months
Germany

Backend Developer

Webfleet

  • Maintenance and development of backend components in the e-commerce domain
  • Development of backend components with Java / Spring Boot
  • Development of the test component with mocking frameworks (Mockito)
  • Development of integration test components
  • Creation of OpenAPI specification format
  • Code reviews
  • Configuration of migration from Azure to AWS
  • Java Corretto 21, Spring Boot 3.3
  • Microservice with REST API, Spring WebFlux
  • Git, Bitbucket, CI/CD pipeline with Jenkins, YAML, JSON, Swagger UI, Postman, Vaadin V23, Hibernate, HQL, JPA, SQL
  • GraphQL, microservices, Jira, Confluence, PostgreSQL, Rancher, Docker, Kubernetes
  • Grafana, IntelliJ, JFrog, Gradle, logging framework Splunk, Agile Scrum method, Log4J
Feb 2024 - Jul 2024
6 months
Germany

DevOps engineer

Bundesdruckerei

  • Configuration of GitLab CI/CD pipeline, configuration of Docker/Kubernetes files
  • Creation of CI/CD pipeline and deployment scripts
  • Creation of Dockerfiles
  • Creation of release packages and performing deployments
  • Implementation of security requirements
  • Creation of Kubernetes manifests
  • Creation of Kubernetes Helm charts
  • Code reviews implemented with Java/Spring Boot
  • Setup of AWS S3, AWS EC2, AWS Lambda, AWS VPC, AWS CloudWatch, AWS CDK, API Gateway
  • Docker / Docker Compose
  • Kubernetes / Helm charts, Linux operating system
  • Java Corretto 21, Spring Security 6.0
  • Spring Boot 3.2, microservices, Hibernate, HQL, JPA, SQL
  • Git, GitLab CI/CD pipeline, YAML, JSON
  • AWS S3, AWS EC2, AWS Lambda, AWS VPC, AWS CloudWatch, Git, Jira, Confluence, PostgreSQL, Elasticsearch
  • Grafana, Prometheus, OpenShift, IntelliJ, JFrog, Maven, Gradle, logging framework Splunk, Agile Scrum method, Jira, Confluence
  • Python scripts for test automation
May 2023 - Oct 2023
6 months
Germany

Fullstack Developer

Dr Gueldener GmbH

  • Development of backend and frontend components for an online shop
  • IT concepts
  • Development of backend components with Java / Spring Boot / Quarkus
  • Development of frontend components with Angular
  • Development of the test component with mocking frameworks (Mockito, EasyMock)
  • Code reviews, clean code
  • Java 17, REST API / microservices with Spring Boot / Cloud Native 3.1 / Quarkus 3.4.3, Spring Framework 6
  • Design, further development and optimization of system architectures, Flyway, Hibernate, HQL, JPA, SQL
  • OAuth 2.0, OracleDB, SQL 19c, RabbitMQ, Git
  • E2E testing / test automation with Cypress, accessibility, PrimeNG, Jasper Reports
  • Angular 15, RxJS, NgRx Store, Bootstrap 4, TypeScript, HTML, SCSS, Scrum, Spring Security
  • Maven, Bitbucket, Jenkins, IntelliJ, Jira, Redux
  • Docker, Kubernetes, Storybook, CMS / Commercetools
Jan 2023 - Dec 2023
1 year
Germany

Backend/Frontend + DevOps Development

Deutsche Bahn Fernverkehr AG

  • Development of backend component/frontend and DevOps tasks for an offer calculation application
  • Development of Java (Spring Boot) and Kotlin components
  • Development of components for JUnit tests, system/integration tests with Cucumber and mocking frameworks
  • Creation of Kubernetes network policies to secure the cluster
  • Configuring GitLab CI/CD pipelines, creating Docker and Kubernetes configurations and Helm charts, API gateway
  • Designing, further developing and optimizing system structures
  • Conducting code reviews, clean code, AWS S3, AWS EC2, AWS EBS, AWS Lambda, AWS VPC, AWS CloudWatch, AWS DynamoDB, AWS CDK
  • Project language: English
  • Java 17, REST/microservices with Spring Boot/Cloud Native 3.2, Kotlin 1.8, AsyncAPI, IBM MQ
  • OracleDB SQL 19c, MongoDB NoSQL 7.0, OpenID Connect/OAuth 2.0, Apache Kafka 3.5.1/Avro
  • Git 2.45, GitLab CI/CD, Jira, Gradle, OpenShift 4.11
  • Ansible 2.13, PuTTY, ArgoCD 2.11.0, Linux shell script, Terraform 1.3
  • IntelliJ, Swagger 5.9.1, OpenAPI 3.1.0, Docker 24.0, Spring Security 6.0
  • Kubernetes/Helm charts 1.28, Scrum/SAFe, JPA 3.1 and JPA Criteria API, Hibernate 5.6/Envers, HQL, JPA, SQL HQL, SQL, behavior-driven development (Cucumber 9.0.1), YAML, Tailwind CSS, Hibernate, HQL, SQL
  • Postman 10.0, SoapUI, JUnit test, Mockito 5.6.0, JSON/Jackson, XML
  • Graylog 5.2.2, Jenkins 2.426.3, Instana 1.211.0, SonarQube 10.2.0.77647, Confluence
  • E2E testing/test automation with Cypress 13, accessibility
  • Angular 16, RxJS, NGRX store, Bootstrap 4, Storybook 4, TypeScript 5.2, Node.js 19.9.0, HTML, SCSS, React, Playwright, NestJS, Redux
Jan 2022 - Dec 2022
1 year
Germany

Fullstack + DevOps Development

Deutsche Bahn Training + DB Regio

  • Development of backend components for building a middleware; development of frontend components for a traffic connections platform
  • Data processing concepts
  • Development of Java (Spring Boot/Cloud Native), Kotlin, and Kafka components of a middleware application
  • Development of components for system/integration tests with Cucumber and mocking frameworks
  • Designing, further developing and optimizing system structures
  • Configuring GitLab CI/CD pipelines, creating Docker and Kubernetes configurations and Helm charts
  • Creating Kubernetes network policies to secure the cluster, API gateway
  • Conducting code reviews, clean code, AWS S3, AWS EC2, AWS EBS, AWS Lambda, AWS VPC, AWS CloudWatch, AWS DynamoDB, AWS CDK
  • Java 17, Spring Framework 6, Spring Boot/Cloud Native 2.3
  • REST API/microservices with Kotlin 1.7, behavior-driven development (Cucumber 8.0), OAuth 2.0
  • OracleDB SQL 18c, MongoDB NoSQL, JFrog Artifactory, Spring Security 6, AsyncAPI, IBM MQ
  • Apache Kafka 3.5/Avro, RabbitMQ
  • Jira, IntelliJ, Swagger, OpenAPI, Hibernate, HQL, JPA
  • Docker, Kubernetes/Helm charts, Scrum/SAFe, JPA 3.0 and JPA Criteria API, Hibernate 5.6/Envers, YAML, SQL
  • CI/CD GitLab, Git, Postman, SoapUI, JUnit tests, Mockito, JSON/Jackson, XML, Graylog, Jenkins, Instana, SonarQube, CheckStyle, FindBugs, Maven, Confluence
  • Ansible, PuTTY, ArgoCD, Linux shell script, Terraform
  • E2E testing with Cypress, accessibility, Redux
  • Angular 14, RxJS, NGRX store, Bootstrap, Storybook 4, TypeScript, HTML, SCSS, React, Playwright, NestJS
Aug 2021 - Sep 2022
1 year 2 months
Germany

Fullstack + DevOps Development

Telefonica O2

  • Continued development of frontend and backend components of an existing web application for managing and displaying O2 product catalogs
  • Data processing concepts, UX design
  • Development of frontend and backend components in the O2 shop area to manage hardware display and improve product presentation
  • Development of components for JUnit tests, integration tests, system tests with Cucumber and mocking frameworks
  • Configuring Git, GitLab CI/CD pipelines and Kubernetes/Helm charts
  • Using AWS S3, AWS EC2, AWS Lambda, AWS VPC, AWS EKS, AWS CloudWatch, AWS DynamoDB, code reviews, clean code and release management, AWS CDK, API gateway
  • Project language: English
  • Spring Boot/Cloud Native, Spring Framework 5, Java 14, Nexus, Nexus IQ, Quarkus 3.2, reactive programming with Spring WebFlux
  • REST and REST/microservices with Kotlin 1.7, Jira, OAuth 2.0, GraphQL
  • Oracle databases and SQL, NoSQL databases (MongoDB)
  • Keycloak, GWT, GitLab CI/CD pipeline, Apache Kafka, Flyway
  • Bitbucket, Docker, Kubernetes/Helm, AWS, Harpoon OpenAPI, Swagger, EasyMock, Scrum/SAFe, IntelliJ, Maven, Git, Jira, Confluence, PrimeNG, JasperReports, Camunda BPMN, Cassandra
  • JPA and JPA Criteria API, Hibernate/Hibernate Envers, HQL, SQL, EclipseLink, JUnit, Mockito, CheckStyle, FindBugs, MapStruct, AsyncAPI, IBM MQ, Grafana, Prometheus, Jenkins, Kibana, SonarQube
  • Vue.js, Jenkins, CI/CD pipelines, MySQL
  • Ansible, PuTTY, ArgoCD, Linux shell script, Terraform
  • TypeScript, Node.js, JSON/Jackson, XML, React, Playwright, NestJS, Storybook, JavaScript, YAML
  • CMS/Commercetools
Dec 2020 - Nov 2021
1 year
Germany

Fullstack Developer

Bundeskriminalamt

  • Development of frontend and backend components of a web application to process data of individuals with criminal backgrounds
  • Requirements analysis
  • Data processing concepts
  • Further development of frontend and backend components of an existing web application to process personal data
  • Development of components for JUnit tests, integration tests, system tests, mocking frameworks
  • Designing, further developing and optimizing system structures
  • Code review, clean code, Eclipse Microprofile
  • Java 12, Spring JPA, Spring Data, RabbitMQ
  • Web services with REST and SOAP
  • JSF 2.3, HTML, PrimeFaces 7.0, Apache Wicket, Java EE 7, Hibernate, IntelliJ, Git, Bitbucket
  • Web services with REST and SOAP, Jasper Reports
  • Jira, Confluence, OpenAPI, Swagger
  • Jenkins, SonarQube, Scrum/SAFe, Maven
  • Oracle database, WildFly, Eclipse, Apache Tomcat, MicroProfile, Keycloak, GWT, TortoiseGit, JPA and JPA Criteria API, Mockito, CheckStyle, accessibility, Git, Nexus, Nexus IQ, SQL
  • Hibernate/Envers, MySQL, LDAP, JUnit tests, EasyMock/Mockito, legacy code, Bamboo
Jun 2020 - Dec 2020
7 months
Germany

Frontend Developer + DevOps Development

Fiducia & CAD

  • Development of frontend components of an online application to process personal customer data
  • Development of frontend components of a new application to allow customers to authenticate and process their data, UX design
  • Provisioning virtual machines in Azure
  • Working with Azure SQL
  • Development of components for JUnit tests, integration tests, system tests, Mockito
  • Code reviews, Docker, Kubernetes/Helm charts
  • Angular 10, Grafana, Prometheus
  • Swagger, OAuth 2 (Open Authorization)
  • IntelliJ, Git, GitLab CI/CD, Postman
  • Bitbucket, OpenShift, Confluence, YAML
  • Angular Material, RxJS, NGRX, Node.js
  • TypeScript, Jasmine, Karma, Protractor
  • Git, Jira, Microsoft Azure Cloud, PrimeNG
  • Scrum/SAFe, Maven, Jenkins, SonarQube, Keycloak, GWT, Storybook, Nexus, Nexus IQ
Jan 2020 - Jun 2020
6 months
Germany

Frontend/Backend Developer

BAMF: Federal Office for Migration and Refugees

  • Development of frontend and backend components of an online application so that data from an uploaded Excel file is processed and saved in an Oracle database
  • IT concepts
  • Development of backend and frontend components of a new application to upload an Excel file, process data from that file, and store it in an Oracle database
  • Development of components for JUnit tests, integration tests, system tests, mocking frameworks like Mockito
  • Conducting code review, clean code, CheckStyle, FindBugs
  • Java 11, REST microservices with Spring Boot 2.2/Kotlin, PrimeNG, Jasper Reports, GraphQL
  • Spring Framework, Hibernate, HQL, SQL, JPA, JSON/Jackson, YAML
  • OpenAPI, Swagger, OAuth 2 (Open Authorization)
  • IntelliJ, Git, GitLab CI/CD, Innovator, UML
  • Docker, Kubernetes, pair programming
  • Postman, Jira, Confluence, JPA and JPA Criteria API, SonarQube, Jenkins, Prometheus, Grafana, accessibility, Flyway
  • PostgreSQL, Elasticsearch, MySQL, JUnit testing, Mockito
  • Scrum, Maven, Jenkins, Sonar, Artifactory, LDAP
  • Domain-driven Design (DDD), EasyMock
  • Angular 9, Angular Material, RxJS, NGRX, Node.js
  • TypeScript, Jasmine, Karma, Protractor, Redux
  • npm, CSS, HTML, legacy code
Jul 2019 - Dec 2019
6 months
Germany

Frontend/Backend + DevOps Development

Allianz Insurance

  • Further development of the backend/frontend components of an existing application so that the private pension is calculated based on specific criteria
  • Requirements analysis
  • Development of backend/frontend components of an existing application so that the private pension is calculated based on specific criteria
  • Conducting code review, clean code, JSON/Jackson, XML, testing with mocking frameworks like Mockito, GWT
  • Designing, further development, and optimization of system structures
  • Configuring GitLab CI/CD pipelines, creating Kubernetes/Helm chart configurations
  • Working with AWS services like AWS S3, AWS EC2, AWS Lambda, AWS DynamoDB, AWS CloudWatch
  • Java 11, REST/microservices with Spring Boot, Spring Framework
  • Web services with REST API, SOAP/WSDL
  • AWS, Kubernetes/Helm, JUnit testing, Mockito, Postman, JPA/Hibernate/Hibernate Envers, HQL, SQL, Jira, PostgreSQL, Liquibase, Elasticsearch, Jenkins, Ansible, PuTTY, ArgoCD, Linux shell scripts, Terraform
  • Swagger, MongoDB, Artifactory
  • Eclipse, DevOps, CI/CD, Confluence
  • JSON/Jackson, JWT (JSON Web Token), YAML
  • Postman, SoapUI, clean code
  • Git, GitHub, Jira, Confluence, Kibana
  • Scrum, SAFe, Maven, Jenkins, Grafana, Prometheus
  • Test-driven development (TDD)
  • Clean code, pair programming, OpenAPI, CheckStyle, Keycloak, GWT
  • Angular 8, Angular Material, RxJS, NGRX, TypeScript
  • Jasmine, Karma, Protractor, npm, CSS, HTML, Node.js
Jan 2019 - Jun 2019
6 months
Germany

Architecture and Lead Backend Developer

Wüstenrot Bank

  • Architecture and further development of backend components of existing applications for customer data processing
  • IT concepts, architecture and leading development of backend and business logic components with JPA 2, Spring, web services, RESTful web services
  • Code review, requirements analysis, clean code
  • REST web services with Spring Framework, Spring Boot, Postman, SoapUI, Swagger, JSON
  • Web services with JAX-WS, SOAP/WSDL, PostgreSQL, Elasticsearch, Sonar, Artifactory, CI/CD, Jira, Hibernate HQL, SQL, JPA
  • Microservices with Spring, Spring Boot, JPA Criteria
  • Java 8, JEE 7, SQL, Liquibase
  • Designing, further development, and optimization of system structures
  • WAS (WebSphere Application Server)/IBM MQ, Postman, SoapUI, Flyway
  • Eclipse, JPA 2/Hibernate, Camunda BPMN, Maven
  • Spring Data JPA, Spring Batch, Spring Integration
  • Feign Client, RestTemplate, JUnit testing, Mockito
  • Citrus, Maven, Kafka, clean code, Grafana
  • Subversion (SVN), Jira, Confluence, Scrum, Bamboo
  • MongoDB, Jenkins, OpenShift, JSON, XML
  • Clean code, pair programming, Jenkins
Jan 2018 - Nov 2018
11 months
Nuremberg, Germany

Architect, Backend and Frontend Developer of an SOA Application

Federal Employment Agency

  • Creating the architecture and developing backend components of a new web application for public information processing
  • Creating IT concepts
  • Architecture and development of backend and business logic components with JPA 2/Hibernate, EJB 3.1, JAX-RS, JSON, XML
  • Development of frontend components with Angular 5.0
  • Requirements analysis, code review, clean code, mocking frameworks
  • REST web services with JAX-RS, Jersey
  • REST web services with Eclipse MicroProfile
  • Java 8, Jakarta JEE 7, EJB 3.1, CDI, legacy code
  • Angular 5, JSON, Node.js, Mockito, Hibernate HQL, SQL, JPA
  • Testing with Jasmine, Karma, Protractor
  • TypeScript, Angular CLI, npm
  • Enterprise Architect, JavaScript
  • HTML5, CSS, Sonar, Artifactory, Jenkins, CI/CD
  • WebLogic Server 10.3.6.0, Oracle 11.2.0.3.0
  • SQL, Liquibase, Postman, SoapUI
  • Eclipse, Swagger, accessibility
  • JUnit testing, Mockito, JPA 2.0, Hibernate 3, Swagger
  • Subversion (SVN), PostgreSQL, Elasticsearch, Eclipse, Swagger, Jasper Reports
  • Maven, clean code, pair programming
Aug 2017 - Dec 2017
5 months
Germany

Lead Developer, Architect

Telefonica O2

  • Further development of backend components of the Prepaid IT application. The goal of this project is to further develop the backend component of an existing SOA application called Prepaid IT.
  • Leading development of backend and business logic components with JPA 2, EJB 3.1, JAX-WS, Apache CXF, SOAP
  • Coaching, code review
  • Web services with JAX-WS, SOAP, Apache CXF, JMS (Java Message Service)
  • RESTful web services with JAX-RS, Jersey, Swagger
  • Java 8, Jakarta JEE 7, EJB 3.1, CDI, SQL
  • Message Driven Beans, JMS, MyBatis
  • Shell scripting, JSF 2.2, PrimeFaces 6.0
  • WebLogic, PostgreSQL, JMS, Apache Wicket
  • Eclipse Mars, Postman, SoapUI
  • JUnit testing, Mockito, JPA 2.0, Hibernate 3
  • Git, Jenkins, Gradle, IntelliJ
  • Pair programming
  • Code reviews, clean code
  • Gradle, feature branches
  • XP software development methodology
Nov 2015 - Jul 2017
1 year 9 months
Germany

Frontend and Backend Developer

Deutsche Bahn Vertrieb GmbH

  • Development of a backend, business logic, and frontend component for the Panda process, allowing offers and fares to be processed according to specific criteria
  • Creation of data processing concepts
  • Development of backend and business logic components using JPA 2, EJB 3.1, RESTful Web Services
  • Development of frontend components with Primefaces 5.3, JSF 2.1, AngularJS, Angular
  • Development of dialogs between frontend components
  • Primefaces 5.3, Spring Framework
  • JSF 2.1, Angular JS
  • Angular 2, Apache Tomcat
  • TypeScript, MyBatis
  • Java Script, CSS, Apache Wicket
  • Java 8, Jakarta JEE 7, EJB 3.1, CDI
  • Spring Framework 4, Spring MVC, Spring Boot, Spring Microservices, Spring Security
  • JBoss EAS, Wildfly, Enterprise Architect
  • InteliJ, SQL, Enterprise Architect
  • JUnit, JPA 2.0, Hibernate 3, HQL, SQL
  • CSS, Jess/JavaScript, JQuery, Bootstrap 3, Less
  • RESTful Web Services with JAX-RS, Jersey, JSON
  • Pair programming, code reviews, clean code
  • Maven, feature branches, legacy code
  • Subversion SVN, Jenkins, Jira, Virtualbox
  • Agile software development method Kanban
May 2015 - Nov 2015
7 months
Switzerland

Frontend and Backend Developer

MediData

  • Development and further development of frontend and middleware components of a Netbeans platform to further process customer-related data
  • Development of frontend components with Swing, Net-Beans RCP, GWT
  • Development of business logic component with EJB 3.1
  • Development of RESTful services with JAX-RS, Jersey
  • Development of dialogs between Java Swing components
  • NetBeans RCP
  • Java Swing
  • JEE 7, EJB 3.1, Java 8
  • JAX-RS (Java API for RESTful Services), Jersey, JSON, JPA/Hibernate
  • Glasfish Server 4.1
  • NetBean 8.0.2, Hibernate HQL, SQL, JPA
  • JUnit, code reviews, clean code
  • Mocking frameworks like Mockito, PowerMock
  • Maven, Apache Tomcat
  • Subversion(SVN), Jenkins
  • Agile software development method Scrum
Jul 2014 - Mar 2015
9 months
Böblingen, Germany

Frontend and Backend Developer

Daimler AG

  • Frontend / backend: development of a web application to capture reports from log files / optimization of database query performance
  • Creation of data processing concepts
  • Implementation of functional specifications
  • Development of frontend components with Primefaces, JSF, XHTML, AngularJS
  • Development of backend components with JPA 2, OpenJPA
  • Development of business logic component with EJB 3.1
  • Development of RESTful services with JAX-RS, Jersey
  • Development of dialogs between view components
  • Project language: English
  • Primefaces 5.1, JSF 2.2, Facelets, XHTML, AngularJS
  • CSS, CDI, JMS (Java Message Service)
  • Ant, Apache FOP, XSLT, XQuery, Apache Wicket
  • Jakarta JEE 6, EJB 3.1, JMS, message-driven bean
  • JAX-RS (Java API for RESTful Services), Jersey, JSON, JPA
  • JPA 2, Hibernate, HQL, SQL, OpenJPA
  • WAS (WebSphere Application Server 8.0)/IBM MQ
  • WebSphere Portalserver 8.0
  • Eclipse Kapler
  • JUnit, Selenium, EasyMock, Mockito
  • HTML5, XHTML, Angular JS
  • DB2, Derby database
  • Scrum
  • IBM Jazz
May 2013 - Jun 2014
1 year 2 months
Munich, Germany

Frontend and Backend Developer

Unicredit / Hypovereinsbank

  • Frontend / backend: development of an application to capture the bank's business data
  • The goal of this project is to develop frontend and backend components of a new application for processing the bank's business data.
  • Creation of data processing concepts
  • Migration from Richfaces to Primefaces
  • Implementation of functional specifications
  • Development of frontend components with Primefaces, JSF, XHTML
  • Development of backend component with Hibernate, JPA, EJB
  • Development of business logic component with EJB
  • Development of dialogs between view components
  • Primefaces 4.0, JSF 2.2, Facelets, JQuery, CSS, JavaScript
  • Maven, Apache FOP, XSLT, XQuery
  • JEE 6, EJB 3.1, JAXB, XML, CDI
  • Hibernate, JPA 2
  • JBoss AS 6.0.1
  • Eclipe Kapler, Apache Tomcat
  • JUnit, Aquillian
  • HTML5, XHTML, CSS, JavaScript
  • Ajax technology
  • JQuery, Servlet API
  • Dimension Serena for version control
Aug 2012 - Apr 2013
9 months
Eschborn, Germany

Frontend and Backend Developer

VR Leasing

  • Frontend / backend: development and further development of frontend and backend components of an application for checking customer creditworthiness
  • The goal of this project is the development and further development of frontend and backend components of an existing application for processing loan applications.
  • Implementation of functional specifications
  • Development of frontend components with RichFaces, JSF, XHTML
  • Development of backend component with Hibernate, JPA, EJB
  • Development of business logic component with EJB
  • Development of dialogs between view components
  • RichFaces 3.3, JSF 1.2, Facelets, XHTML, HTML5
  • JQuery, CSS, JavaScript
  • JPA 2, Hibernate
  • Ant, Apache Tomcat
  • Jakarta JEE, EJB 3.0, Servlet API
  • Oracle WebLogic 10.33
  • Hudson, Log4J
  • Subversion
Nov 2011 - Jun 2012
8 months
Germany

Frontend Developer

Nürnberger Versicherungsgruppe

  • Frontend: Dynamic development of RichFaces and JSF user interface components using Java and XHTML
  • The goal of this project is to implement dynamic RichFaces and JSF UI components for the insurer's broker portal, integrating RichFaces and JSF user interface components with binding methods for display via XHTML
  • Implementation of business requirements
  • Development of RichFaces and JSF user interface components using Java and XHTML
  • Integrating RichFaces and JSF user interface components with binding methods for display in XHTML
  • Development of dialogs between JSF components
  • RichFaces 4.0
  • Jakarta JEE, JSF 2.0, Facelets, XHTML
  • Maven, JQuery, CSS, JavaScript
  • JBoss Seam, CDI
  • JBoss WS 7, JBoss EAP 5
  • Eclipse, Servlet API, EJB 3.0
  • Selenium
  • Scrum
  • Jenkins, Log4J
  • Subversion
Jun 2011 - Oct 2011
5 months
Bochum, Germany

J2EE Developer / Frontend Developer

QVC

  • Frontend: Development of JSF portlets for a Liferay portal
  • Backend / Frontend: Development of a J2EE component in the online shop area
  • The goal of this project is to develop frontend components or portlets to display and capture customer data in the Liferay portal
  • Development of view components with IceFaces, JSF portlets, XHTML
  • Development of dialogs between JSF components and portlets
  • Development of business logic components with Liferay services
  • Creation of technical concepts
  • IceFaces 3.0, AlloyFaces, JEE, JSF 2.0, Facelets, XHTML, Jira, Portlets, Liferay, Ajax, JQuery, CSS, JavaScript, Tomcat, Scrum, XPath, Maven, Sub Version
  • The goal of this project is the development of backend and backend/frontend components to display and capture products of an online shop
  • Development of view components with RichFaces, JSF 2.0, JSP, XHTML
  • Development of backend components with Hibernate to connect to an Oracle database
  • Development of business logic components with the Spring Framework
  • Development of dialogs between JSF components
  • JEE, RichFaces 3.3, JSF 2, Ajax, JQuery, JSP, Spring DAO, Spring Security, Hibernate, JPA, WSDL, SQL, Eclipse, Tomcat, Subversion(SVN)
Apr 2011 - May 2011
2 months
Dübendorf, Switzerland

J2EE Developer

HP

  • GUI / Frontend: Development of a frontend component in the airline sector
  • The goal of this project is to develop a frontend component for capturing the online booking system in the airline sector
  • Development of view components with ADF, JSF 2.0
  • Development of dialogs between components
  • Development of web services with JWSDP
  • ADF, JSF 1.2, JEE, RichFaces 3.3, JSP, PHP, Maven, Git, Okta, OAaut, JWSDP, WSDL, JDeveloper, WebLogic, Scrum, Linux
Jan 2011 - Mar 2011
3 months
Wiesbaden, Germany

J2EE Developer

R+V Allgemeine Versicherung AG

  • GUI / Frontend: Further development of J2EE-based frontend components of a web portal in the insurance sector for handling customer data
  • The goal of this project is to further develop J2EE-based frontend components of the R+V insurance portal so that customer data can be processed from the host system
  • Development of view components with Spring, JSF 2.0
  • Development of dialogs between JSF components
  • Documentation, IT concept
  • Spring, JSF 1.2, JSP, RichFaces 3.3, JAXB 2, CSS, XSD, XML, PHP, Harvest, Scrum, EAP (Enterprise Application Portal) by Siemens, JBoss, Eclipse
Nov 2010 - Dec 2010
2 months
Switzerland

J2EE Developer

HolidayCheck.ch

  • Backend: Development of backend components and configuration of a MySQL database
  • The goal of this project is to develop Hibernate entities and configure the MySQL database via the Hibernate configuration file to optimize database queries and improve data search
  • Development of backend components with Hibernate
  • Configuration of the database via the Hibernate configuration file to optimize database queries (second-level cache with memcache server) and improve data search (Hibernate Search, Hibernate slave/master)
  • J2EE, Hibernate, Lucene, Spring, JMS, JNDI, JMX, MBean, MXBean, Mercurial, Scrum, Tomcat, Message Broker(ActiveMQ), Maven, Eclipse, Linux - Ubuntu, Jira
Jan 2010 - Oct 2010
10 months
Wiesbaden, Germany

J2EE Developer

R+V Allgemeine Versicherung AG

  • GUI / frontend development / development of J2EE-based frontend components for a web portal in the insurance industry to process customer data
  • The goal of this project is the development and further enhancement of J2EE-based frontend components for the R+V insurance broker portal, so brokers can edit customer data online from a service-oriented architecture.
  • Development of view components with Struts 1.2, JSP
  • Development of business logic components for host integration
  • Development of dialogs between view components
  • IT concept and documentation
  • Struts, J2EE, JAXB 2, JiBX (binding XML to Java code), EJB (Stateless Session Bean), JSP, CSS, JUnit, XSD, XML, UML, Harvest, Scrum, Siemens EAP (Enterprise Application Portal), JBoss, HTML5, Eclipse
Aug 2009 - Dec 2009
5 months
Bonn, Germany

J2EE Developer

ZIVIT

  • Backend: development of a J2EE-based scheduled web application for processing VAT refund requests
  • The goal of this project is to develop a scheduled web application to execute, verify, and process VAT declarations, similar to Elster. Requests are created in XML by an external system and stored in a DB2 database.
  • A scheduled web application retrieves requests from the database, validates them against predefined XML schemas, converts them into Java objects via JAXB components, then passes them to other components for further processing.
  • Development of persistence components with Spring Framework (DAO support, data access using JDBC)
  • Development of business logic components with EJB 3, Spring Batch
  • J2EE (JAXB, JNDI), EJB 3 (Entity Bean, stateful and stateless session beans, message-driven bean), JMS, Quartz (job scheduler), Spring Framework, Spring Batch, DB2, UML, Okta, JUnit, OAuth, IBM WebSphere/IBM MQ, Subversion (SVN), IBM RAD (Rational Application Developer), XML

Skills

Activities

  • Consulting
  • Frontend Development
  • Backend Development
  • Devops Development

Technical Focus

  • Senior Java Developer (Sun Certified Java Programmer)
  • Java Frameworks (Microservices With Soap/rest Api, Spring Framework, Spring Boot, Ejb, Mongodb, Kafka, Hibernate)
  • Senior Jee Developer
  • Angular
  • React
  • Uml
  • Openapi
  • Swagger
  • Devops Development
  • Jee Architect

Industries

  • Banking
  • Insurance
  • E-commerce
  • Transport/logistics
  • Automotive

Operating Systems

  • Linux
  • Mac Os X
  • Windows

Development Environments

  • Intellij
  • Eclipse
  • Ibm Rational Application Developer
  • Jbuilder
  • Jdeveloper

Methods

  • Object-oriented Programming (Oop)
  • Object-oriented Analysis (Ooa)
  • Object-oriented Design (Ood)

Languages

French
Native
German
Advanced
English
Advanced

Education

Oct 1999 - Jun 2006

Hochschule Darmstadt

Master of Science in Computer Science · Computer Science · Darmstadt, Germany

Oct 1994 - Jun 1997

Universität Douala

Bachelor of Business Administration · Business Administration · Douala, Cameroon

Certifications & licenses

Sun Certified Java Programmer

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