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

  • Developed a microservice application to calculate transactions on accounts

  • Developed backend components using Java/JEE, Quarkus, Kafka, REST API

  • Developed test components using mocking frameworks (Mockito)

  • Developed integration test components

  • Created OpenAPI specification format

  • Configured CI/CD pipeline

  • Developed frontend components with React

  • Designed, enhanced, and optimized system architectures

  • Conducted code reviews

  • Java Corretto 21, JEE, Quarkus, Golang

  • Reactive programming with Spring WebFlux, Project Reactor

  • Git, Azure DevOps for CI/CD pipelines, YAML, JSON, Swagger UI, Postman, OpenAPI, Kafka Streams, Kafka Connect, Log4J

  • Microservices, Jira, Confluence, MySQL, Docker, Kubernetes (deployment via Helm charts)

  • Spring Security, OAuth 2, JWT, SonarQube

  • IntelliJ, Maven, Splunk logging framework, Agile Scrum methodology, Nexus, Vaadin v24, Vite build tool

  • React, React.js, Node.js, JavaScript, Tailwind CSS, Agile Scrum methodology, BITV accessibility, Playwright

Jun 2024 - Jan 2025
8 months
Germany

Backend/Frontend Developer

Deutsche Bahn InfraGo

  • Developed a microservice application for aggregating routes

  • Developed backend components using Java/Spring Boot

  • Developed test components using mocking frameworks (Mockito)

  • Developed integration test components

  • Created OpenAPI specification format

  • Configured CI/CD pipeline

  • Designed, enhanced, and optimized system architectures

  • Frontend development with Angular 18

  • Conducted code reviews

  • Java Corretto 21, Spring Boot/Cloud Native 3.3

  • Git, CI/CD pipeline with GitLab, YAML, JSON, Swagger UI, Postman, Log4J

  • Microservices, Jira, Confluence, PostgreSQL, AWS S3, 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, Splunk logging framework, Agile Scrum methodology, Vaadin v24

Jun 2024 - Dec 2024
7 months

Backend Developer

Webfleet

  • Enhanced backend components in the e-commerce domain

  • Enhanced backend components using Java/Spring Boot

  • Developed test components using mocking frameworks (Mockito)

  • Developed integration test components

  • Created OpenAPI specification format

  • Conducted code reviews

  • Configured migration from Azure to AWS

  • Java Corretto 21, Spring Boot 3.3

  • Reactive programming with Spring WebFlux

  • Git, Bitbucket, CI/CD pipeline with Jenkins, YAML, JSON, Swagger UI, Postman, Vaadin v23

  • GraphQL, microservices, Jira, Confluence, PostgreSQL, Rancher, Docker, Kubernetes

  • Grafana, IntelliJ, JFrog, Gradle, Splunk logging framework, Agile Scrum methodology, Log4J

Feb 2024 - Jul 2024
6 months
Germany

DevOps engineer

Bundesdruckerei

  • Configured GitLab CI/CD pipeline, configured Docker/Kubernetes files

  • Created CI/CD pipeline and deployment scripts

  • Created Dockerfiles

  • Packaged releases and performed deployments

  • Implemented security requirements

  • Created Kubernetes manifests

  • Created Kubernetes Helm charts

  • Conducted code reviews for Java/Spring Boot implementations

  • Set up 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

  • 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, Splunk logging framework, Agile Scrum methodology, Jira, Confluence

  • Python scripting for test automation

May 2023 - Oct 2023
6 months
Germany

Fullstack development

Dr Gueldener GmbH

  • Developed backend and frontend components of an online shop

  • Designed IT concepts

  • Developed backend components using Java/Spring Boot/Quarkus

  • Developed frontend components with Angular

  • Developed test components using mocking frameworks (Mockito, EasyMock)

  • Conducted code reviews, clean code practices

  • Java 17, REST API/Microservices with Spring Boot/Cloud Native 3.1/Quarkus 3.4.3, Spring Framework 6

  • Designed, enhanced, and optimized system architectures

  • 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 components, frontend and DevOps tasks for an application that calculates offers
  • Development of Java/Spring Boot and Kotlin components
  • Development of components for JUnit tests, system/integration tests using Cucumber and mocking frameworks
  • Creating Kubernetes network policies to secure the cluster
  • Configuring GitLab CI/CD pipelines, creating Docker and Kubernetes configurations and Helm charts, API gateway
  • Designing, enhancing and optimizing system architectures
  • Conducting code reviews, clean code, AWS S3, AWS EC2, AWS EBS, AWS Lambda, AWS VPC, AWS CloudWatch, AWS DynamoDB, AWS CDK
  • 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, 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/Hibernate Envers, Behavior Driven Development (Cucumber 9.0.1), YAML, Tailwind CSS
  • Postman 10.0, SoapUI, JUnit, 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 middleware, development of frontend components for a traffic connections platform
  • Data processing concepts
  • Development of Java/Spring Boot/Cloud Native, Kotlin, Kafka components for a middleware application
  • Development of components for system/integration tests and system tests with Cucumber and mocking frameworks
  • Designing, enhancing and optimizing system architectures
  • 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 APIs/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
  • Docker, Kubernetes/Helm Charts, Scrum/SAFe, JPA 3.0 and JPA Criteria API, Hibernate 5.6/Hibernate Envers, YAML
  • GitLab CI/CD, Git, Postman, SoapUI, JUnit, Mockito, JSON/Jackson, XML, Graylog, Jenkins, Instana, SonarQube, CheckStyle, FindBugs, Maven, Confluence
  • Ansible, 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

  • Further development of front-end and back-end components of an existing web application for managing and displaying O2 product catalogs
  • Data processing concepts, UX design
  • Development of front-end and back-end components in the O2 shop area for editing hardware display and improving product presentation
  • Development of components for JUnit tests, integration tests, system tests using Cucumber and mocking frameworks
  • Configuring Git, GitLab CI/CD pipelines and Kubernetes/Helm charts
  • Working with 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
  • Spring Boot/Cloud Native, Spring Framework 5, Java 14, Nexus, Nexus IQ, Quarkus 3.2, reactive programming with Spring WebFlux
  • 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
  • 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, EclipseLink, JUnit, Mockito, CheckStyle, FindBugs, MapStruct, AsyncAPI, IBM MQ, Grafana, Prometheus, Jenkins, Kibana, SonarQube
  • Vue.js, Jenkins, CI/CD pipelines, MySQL
  • Ansible, 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 front-end and back-end components of a web application for processing data of persons with criminal backgrounds
  • Requirements analysis
  • Data processing concepts
  • Further development of front-end and back-end components of an existing web application to process personal data
  • Development of components for JUnit tests, integration tests, system tests, mocking frameworks
  • Designing, enhancing and optimizing system architectures
  • Code reviews, 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, JasperReports
  • 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
  • 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 front-end components of an online application for handling personal customer data
  • Development of front-end components of a new application to allow customers to authenticate and manage 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 the data of an uploaded Excel file can be processed and stored in an Oracle database

  • IT concepts

  • Development of backend and frontend components of a new application that allows an Excel file to be uploaded, processes the data from this file, and stores it in an Oracle database

  • Development of components for JUnit tests, integration tests, system tests, and mocking frameworks like Mockito

  • Conducting code reviews, writing clean code, using CheckStyle and FindBugs

  • Java 11, REST microservices with Spring Boot 2.2/Kotlin, PrimeNG, Jasper Reports, GraphQL

  • Spring Framework, Hibernate, 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

  • PostgreSQL, Elasticsearch, MySQL, JUnit tests, Mockito

  • Scrum, Maven, Jenkins, Sonar, Artifactory, LDAP

  • Domain-driven Design (DDD), EasyMock

  • Angular 9, Angular Material, RxJS, NGRX, NodeJS

  • TypeScript, Jasmine, Karma, Protractor, Redux

  • npm, CSS, HTML, legacy code

Jul 2019 - Dec 2019
6 months
Germany

Frontend/Backend + DevOps Developer

Allianz Insurance

  • Further development of the backend/frontend components of an existing application to calculate the private pension based on certain criteria

  • Analyzing requirements

  • Development of backend/frontend components of an existing application to calculate the private pension based on certain criteria

  • Conducting code reviews, writing clean code, working with JSON/Jackson, XML, testing with mocking frameworks like Mockito and GWT

  • Designing, further developing, and optimizing system architectures

  • Configuring GitLab CI/CD pipelines, creating Kubernetes/Helm chart configurations

  • Using 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 tests, Mockito, Postman, JPA/Hibernate/Hibernate Envers, Jira, PostgreSQL, Elasticsearch, Jenkins, Ansible, ArgoCD, Linux shell scripting, 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, NodeJS

Jan 2019 - Jun 2019
6 months
Germany

Architect and Lead Backend Developer

Wüstenrot Bank

  • Architecting and further development of backend components of existing applications for customer data processing

  • IT concepts, architecture, and leading the development of backend and business logic components with JPA 2, Spring, web services, and RESTful web services

  • Code reviews, requirement 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

  • Microservices with Spring, Spring Boot, JPA Criteria

  • Java 8, JEE 7, SQL, Liquibase

  • Designing, further development, and optimizing system architectures

  • WAS (WebSphere Application Server)/IBM MQ, Postman, SoapUI

  • Eclipse, JPA 2/Hibernate, Camunda BPMN, Maven

  • Spring Data JPA, Spring Batch, Spring Integration

  • Feign client, RestTemplate, JUnit tests, 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 in Nuremberg

  • Creating the architecture and developing backend components of a new web application for managing public information

  • Creating IT concepts

  • Architecting and developing backend and business logic components with JPA 2/Hibernate, EJB 3.1, JAX-RS, JSON, XML

  • Developing frontend components with Angular 5.0

  • Requirement 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, NodeJS, Mockito

  • 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 tests, 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

  • Leading the development of backend and business logic components with JPA 2, EJB 3.1, JAX-WS, Apache CXF, SOAP

  • Coaching, code reviews

  • 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 tests, 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 of the Panda process to process offers and fares based on specific criteria

  • Creation of IT concept designs

  • Development of backend and business logic components using JPA 2, EJB 3.1, RESTful Web Services

  • Development of frontend components using PrimeFaces 5.3, JSF 2.1, AngularJS, Angular

  • Development of dialogs between the frontend components

  • PrimeFaces 5.3, Spring Framework

  • JSF 2.1, Angular JS

  • Angular 2, Apache Tomcat

  • TypeScript, MyBatis

  • JavaScript, 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

  • 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, Schweiz

  • Development and enhancement of a frontend and middleware component of a NetBeans platform to process customer-related data

  • Development of frontend components using Swing, NetBeans RCP, GWT

  • Development of business logic component using EJB 3.1

  • Development of RESTful services using JAX-RS, Jersey

  • Development of dialogs between the 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

  • GlassFish Server 4.1

  • NetBeans 8.0.2

  • 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, Böblingen

  • Frontend / backend: development of a web application to gather log file reports and optimization of database query performance

  • Creation of IT concept designs

  • Implementation of business requirements

  • Development of frontend components using PrimeFaces, JSF, XHTML, AngularJS

  • Development of backend components using JPA 2, OpenJPA

  • Development of business logic components using EJB 3.1

  • Development of RESTful services using JAX-RS, Jersey

  • Development of dialogs between the view components

  • 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 2, Hibernate, OpenJPA

  • WAS (WebSphere Application Server 8.0) / IBM MQ

  • WebSphere Portal Server 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, München

  • Frontend / backend: development of an application to capture the bank's business data

  • Creation of IT concept designs

  • Migration from RichFaces to PrimeFaces

  • Implementation of business requirements

  • Development of frontend components using PrimeFaces, JSF, XHTML

  • Development of backend components using Hibernate, JPA, EJB

  • Development of business logic components using EJB

  • Development of dialogs between the 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, Arquillian

  • 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, Eschborn

  • Frontend / backend: development and enhancement of a frontend and backend component of an application to check customers' creditworthiness

  • Implementation of business requirements

  • Development of frontend components using RichFaces, JSF, XHTML

  • Development of backend components using Hibernate, JPA, EJB

  • Development of business logic components using EJB

  • Development of dialogs between the 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, XHTML

  • Implementation of functional requirements

  • Development of RichFaces and JSF user interface components using Java, XHTML

  • Integration of RichFaces and JSF user interface components using binding methods for rendering via XHTML implementation

  • 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

Frontend Developer / J2EE Developer

QVC, Bochum

  • Development of JSF portlets for a 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

  • Backend / Frontend: Development of a J2EE component in the online shop area

  • Development of view components with RichFaces, JSF 2.0, JSP, XHTML

  • Development of backend components with Hibernate for Oracle database integration

  • Development of business logic components with the Spring Framework

  • Development of dialogs between JSF components

  • IceFaces 3.0, AlloyFaces, JEE, JSF 2.0, Facelets, XHTML, Jira, Portlets, Liferay, Ajax, JQuery, CSS, JavaScript, Tomcat, Scrum, XPath, Maven, Sub Version

  • 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, Dübendorf/Schweiz

  • GUI / Frontend: Development of a frontend component 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, OAuth

  • JWSDP

  • WSDL

  • JDeveloper

  • WebLogic

  • Scrum

  • Linux

Jan 2011 - Mar 2011
3 months
Wiesbaden, Germany

J2EE Developer

R+V Allgemeine Versicherung AG, Wiesbaden

  • GUI / Frontend: Further development of J2EE-based frontend components of a web portal in the insurance sector for customer data processing

  • Development of view components with Spring, JSF 2.0

  • Development of dialogs between JSF components

  • Documentation, data processing concept

  • Spring

  • JSF 1.2, JSP

  • RichFaces 3.3

  • JAXB 2

  • CSS

  • XSD

  • XML, PHP

  • Harvest

  • Scrum

  • EAP (Enterprise Application Portal) from Siemens

  • JBoss

  • Eclipse

Nov 2010 - Dec 2010
2 months
Switzerland

J2EE Developer

HolidayCheck.ch, Schweiz

  • Backend: Development of backend components and configuration of a MySQL database

  • Development of some Hibernate entities and configuration of the MySQL database via the Hibernate config file (hibernate.cfg.xml) to optimize database queries and improve data search

  • Development of backend components with Hibernate

  • Configuration of the database via Hibernate config file to optimize database queries (second-level cache with memcache server) and to 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 General Insurance AG, Wiesbaden

  • GUI / Frontend development / Development of J2EE-based frontend components of a web portal in the insurance sector to process customer data

  • Development of view components with Struts 1.2, JSP

  • Development of business logic components to connect to the host

  • Development of dialogs between the 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

  • UML

  • EAP (Enterprise Application Portal) from Siemens

  • JBoss

  • HTML 5

  • Eclipse

Aug 2009 - Dec 2009
5 months
Bonn, Germany

J2EE Developer

ZIVIT Bonn

  • Backend: Development of a J2EE-based scheduled web application to handle applications for VAT refunds

  • Development of persistence component with Spring Framework (DAO support, data access using JDBC)

  • Development of business logic component with EJB 3, Spring Batch

  • J2EE (JAXB, JNDI)

  • EJB 3 (Entity Bean, Stateful and Stateless Session Bean, 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

It Experience:

  • 15 Years With Java
  • 10 Years With Spring Framework, Spring Boot/microservices/rest Api, Agile Mindset/scrum
  • 4 Years With Devops, Angular/node.js/typescript

Activities:

  • Consulting
  • Frontend, Backend, And 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 in Business Administration · Business Administration · Douala, Cameroon

Certifications & licenses

Sun Certified Java Programmer

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