Rodrigue Kelen-Yo - Fullstack Development

Q: Where is Rodrigue based?

Rodrigue is based in Bobenheim-Roxheim, Germany and prefers 100% remote projects.

Q: What languages does Rodrigue speak?

Rodrigue speaks the following languages: French (Native), German (Advanced), English (Advanced) .

Q: How many years of experience does Rodrigue have?

Rodrigue has at least 17 years of experience. During this time, Rodrigue has worked in at least 15 different roles and for 17 different companies . The average length of individual experience is 11 months . Note that Rodrigue may not have shared all experience and actually has more experience.

Q: What is Rodrigue's latest experience?

Rodrigue's most recent position is Fullstack Development at Bavarian State Office of Taxes .

Q: What companies has Rodrigue worked for in recent years?

In recent years, Rodrigue has worked for Bavarian State Office of Taxes , DB NETZE , KKH , and Seeburger AG .

Q: Which industries is Rodrigue most experienced in?

Rodrigue is most experienced in industries like Information Technology (IT) , Professional Services , and Tourism and Hospitality . Rodrigue also has some experience in Government and Public Administration , Banking and Finance , and Transportation and Logistics .

Q: Which business areas is Rodrigue most experienced in?

Rodrigue is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) . Rodrigue also has some experience in Human Resources (HR) .

Q: Which industries has Rodrigue worked in recently?

Rodrigue has recently worked in industries like Government and Public Administration , Information Technology (IT) , and Insurance .

Q: Which business areas has Rodrigue worked in recently?

Rodrigue has recently worked in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) .

Recommended expert

Bobenheim-Roxheim, Germany

Experience

Dec 2023 - Present

2 years 3 months

Germany

Fullstack Development

Bavarian State Office of Taxes

Performed an as-is analysis of the existing Oracle application Express Admin interface
Created a requirements analysis for the React admin interface to be developed
Developed the new VAT admin interface using React and TypeScript (frontend) as well as Java 17, Spring Boot, and Hibernate (backend)
Conducted final training, including training materials, to transfer knowledge to the client’s employees and ensure they can independently maintain and extend the software
Produced detailed technical documentation
Tools: KONSENS-AppKit, SPA, React, TypeScript, REST API, unit testing, Java, JavaScript, Node, HTML5, CSS3, UI/UX, Spring Boot, OpenAPI, JSON, Oracle DB, GitHub CI/CD, Playwright, UML, Gradle

Apr 2023 - Nov 2023

8 months

Germany

Fullstack Development

DB NETZE

Developed a planning application
Supported the existing Scrum team
Work split: 50% frontend & 50% backend development
Tools: React, Redux, TypeScript, SPA, REST API, unit testing, JavaScript, Vue, Node, HTML5, CSS3, ARIA, UI/UX, Java, Spring Boot, OpenAPI, JSON, AWS, PostgreSQL, GitLab CI/CD, Cypress tests, unit tests, DevOps, Kubernetes, ArgoCD, UML, Kafka, Postman

Jan 2022 - Mar 2023

1 year 3 months

Germany

Backend Development

KKH

Implemented new legal requirements as part of EESSI
Supported and advised product owners in drafting and reviewing specifications
Developed batch processes
Conducted software tests
Maintained software (reproduced errors, applied fixes)
Tools: Java 8, Spring, Spring Batch, SOPA, REST, JPA, Hibernate, JSF, XML, Eclipse, DB2, SVN, UML

Jan 2021 - Dec 2022

2 years

Germany

ERP System Migration

Seeburger AG

Backend development with Java and JBoss 7
Frontend development with React based on Material-UI
Tools: Java, JEE, EJB, Python, JBoss, Oracle DB, Swagger, REST API, JUnit 5, Selenium, Maven, React, SPA, AG-Grid, TypeScript, Material-UI, Bootstrap 4, HTML5, CSS3, UI/UX, JSON, Gerrit, Jenkins, Jira, Confluence, Webpack, ESLint, Prettier, IntelliJ, Docker, UML, Postman

Feb 2020 - Dec 2020

11 months

Germany

Frontend Development

German Rail

Developed a train view to display events from trains
Automated deployments
Tools: React, Redux (MobX), SPA, TypeScript, ESLint, Webpack, Chart, Chakra UI, Canvas, Atomic Design, REST API, unit testing, Java, JavaScript, GraphQL, Node, HTML5, CSS3, UI/UX, JSON, Spring Boot, Swagger, API gateways, Kafka, architecture, DevOps, cloud, AWS, OpenShift, Docker, GitLab CI/CD, UML, ActiveMQ

Oct 2019 - Feb 2020

5 months

Germany

Mobile App Development with React Native

Developed a mobile app with React Native

May 2019 - Nov 2019

7 months

Germany

Frontend Development

Black Olive Advisors GmbH

Developed a web app for brokers and clients to manage office rental spaces
Tools: React, Redux (MobX), ReduxStore (Storefront), SPA, Thunk, Material-UI, Formik, Next.js, Angular, ESLint, Webpack, REST API, JSON, Unit testing, JavaScript, Node, HTML5, CSS3, Jest, Swagger, API gateways, Cloud, AWS, UML, Postman

Nov 2018 - Mar 2019

5 months

Germany

Fullstack Development on MapCreator

HERE GmbH

Fullstack development in the MapCreator project
Tools: React, Redux (MobX), SPA, ReduxStore (Storefront), Saga, TypeScript, ESLint, Webpack, Canvas, Formik, Bootstrap 4, REST API, JSON, Unit testing, jQuery, JavaScript, Node.js, HTML5, CSS3, Jest, Swagger, API gateways, Continuous Deployment, Cloud, AWS

Apr 2018 - Dec 2020

2 years 9 months

Germany

Magnolia CMS Development (1 day/week)

Fink & Fuchs

Developed and customized Magnolia CMS solutions as part of a part-time role

Sep 2017 - Oct 2018

1 year 2 months

Germany

Development of a Continuous Delivery Platform

Commerzbank AG

Developed a Continuous Delivery platform
Tools: Spring Boot, Swagger, API gateways, Kafka, Splunk, Java, Git, BitBucket, Jira, HTML, CSS, JavaScript, ESLint, Webpack, React.js, Angular, Node.js, JSON, Oracle DB, microservices architecture, Cloud, Scrum, Continuous Delivery, event-driven systems, Hibernate, OAuth2, Docker, Tomcat, Cucumber, Selenium

Jun 2017 - Aug 2017

3 months

Germany

Fullstack Development

REWE-Digital GmbH

Fullstack development with Magnolia CMS and JSP templating
Tools: Java, Tomcat, Git, Stash, Jira, HTML, CSS, JSON, JavaScript, Backbone.js, Node.js, Bootstrap, Responsive Design, UI/UX

Apr 2017 - Jun 2017

3 months

Germany

Development of a chatbot for a major German bank

IBM Client Innovation Center GmbH

Development of a chatbot using Watson Conversation and Watson NLP
Integration on Bluemix
Frontend with React.js + Redux (MobX)
Tools: Node.js, Webpack, Gulp, Java, JavaScript, HTML, CSS, ESLint, Angular, REST API, OpenShift, Git, Eclipse, Bitbucket, TeamCity

Jul 2014 - Mar 2017

2 years 9 months

Germany

Development of a travel e-commerce platform

DER Touristik Online GmbH

Development and maintenance of web-based applications
DevOps and microservices architecture
Development of unit, acceptance, and integration tests
Development of new CMS modules
Tools: Magnolia CMS, Templating, Java, Spring MVC, Apache Jackrabbit, Tomcat, Swagger, API Gateways, ElasticSearch, Node.js, Next.js, REST API, Unit Testing, jQuery, JavaScript, HTML5, CSS3, ESLint, Webpack, Jasmine, Maven, Continuous Deployment, Jenkins, Git, Selenium, JUnit, Mockito, Cloud, Docker, Nginx, Chef, Bash-Script, Ruby, Confluence, Jira, UML

Aug 2012 - Jun 2014

1 year 11 months

Germany

Development and maintenance of web applications

Etecture GmbH

Development of new CMS modules and extension of existing modules
Support in content maintenance and development of a customer portal
Execution of unit and integration tests
Tools: PHP, HTML5, CSS3, Templating, Perl, Java, Java EE, EJB 3, JSF 2, JPA 2, CDI, JUnit, Mockito, GlassFish, jQuery, JavaScript, AJAX, MySQL, MSSQL, NoSQL, Scrum, Maven, Jenkins, Git, SVN, Jira, Confluence, Sonar

Feb 2011 - Jul 2012

1 year 6 months

Germany

Development of a reporting application in the HR domain

GIP mbH

Support and advise system analysts in drafting and reviewing functional specifications
Creation of IT concepts based on functional specifications
Implementation of software changes as part of enhancement projects
Software testing and maintenance (reproducing bugs, fixing the software)
Tools: EJB, JSF, JPA, JAXB, Drools, JUnit, JBoss AS, Hibernate, MySQL, Oracle 10g, MSSQL, Scrum, continuous integration with Jenkins, Sonar

Aug 2010 - Jan 2011

6 months

Germany

Enhancement of a judicial web application

Lunzer + Partner GmbH

Further development of a web application for the judiciary
Tools: Java, J2EE, Servlets, JSP, HTML, XML, XSL, JavaScript, CSS, SQL, Shell script, Oracle 10g, Apache Tomcat, SVN, Eclipse, Confluence, Jira

Feb 2010 - May 2010

4 months

Germany

Training in Java/JEE and reference project

IBB Institut für berufliche Bildung

Java web programming for online banking and advanced course
Reference project: development of a Java web application
Tools: Java 6, JSP, Servlets, JSF 1.2, EJB 3.0, Hibernate 3.0, JBoss 5.1, Eclipse 3.5, Oracle DB 10g, Glassfish, NetBeans, Tomcat

Apr 2008 - Nov 2009

1 year 8 months

Germany

Software development

Jouve-Germany GmbH

Development of production workflows to prepare typesetting processes
Statistical analysis of data to determine a distribution function
Development of web applications and converters for XML document conversion
Further development and maintenance of existing web applications
Development and extension of frontend web components
Planning and development of TypoScript-based templates for typesetting legal loose-leaf works
IT integration (process standardization, solution integration) according to company standards
Tools: PHP, Perl, Shell, XML, XSLT, Linux, HTML, Eclipse

Summary

I am a software developer with many years of experience in designing and delivering web-based IT projects in both B2B and B2C environments. In addition to developing new systems and extending existing ones, I was also responsible for evaluating their cost-effectiveness and advising clients on-site. I have many years of practical experience with enterprise Java technologies, relational databases (especially Oracle), and developing web applications on both Unix/Linux and Windows. My goal is to solve problems together and find the best solution for the client.

Skills

Programming Languages

Java
Javascript
Ruby (Chef Solo)
Bash Scripting (Docker)
Html

Databases

Microsoft Sql Server
Mysql
Oracle 11g
Neo4j
Elasticsearch
Cassandra

Operating Systems

Linux
Mac Os
Windows 7
Windows Server 2008

Tools

Springboot
React.js
Apache Tomcat
Jboss As
Apache Jackrabbit
Confluence
Jira
Intellij
Eclipse
Git
Svn
Maven
Jenkins
Selenium
Junit
Node.js
Profitbricks (Cloud)
Nginx
Hadoop.

Languages

French

Native

German

Advanced

English

Advanced

Education

University of Siegen

Diploma Engineer · Technical Computer Science · Siegen, Germany

Certifications & licenses

Big Data

University of California, San Diego

Introduction to CQ5

Oracle DBMS Introduction and SQL

Linux/Unix

Profile

Created

April 2025

Last Update

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Rodrigue based?

Rodrigue is based in Bobenheim-Roxheim, Germany and prefers 100% remote projects.

What languages does Rodrigue speak?

Rodrigue speaks the following languages: French (Native), German (Advanced), English (Advanced).

How many years of experience does Rodrigue have?

Rodrigue has at least 17 years of experience. During this time, Rodrigue has worked in at least 15 different roles and for 17 different companies. The average length of individual experience is 11 months. Note that Rodrigue may not have shared all experience and actually has more experience.

What roles would Rodrigue be best suited for?

Based on recent experience, Rodrigue would be well-suited for roles such as: Fullstack Development, Backend Development, ERP System Migration.

What is Rodrigue's latest experience?

Rodrigue's most recent position is Fullstack Development at Bavarian State Office of Taxes.

What companies has Rodrigue worked for in recent years?

In recent years, Rodrigue has worked for Bavarian State Office of Taxes, DB NETZE, KKH, and Seeburger AG.

Which industries is Rodrigue most experienced in?

Rodrigue is most experienced in industries like Information Technology (IT), Professional Services, and Tourism and Hospitality. Rodrigue also has some experience in Government and Public Administration, Banking and Finance, and Transportation and Logistics.

Which business areas is Rodrigue most experienced in?

Rodrigue is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Rodrigue also has some experience in Human Resources (HR).

Which industries has Rodrigue worked in recently?

Rodrigue has recently worked in industries like Government and Public Administration, Information Technology (IT), and Insurance.

Which business areas has Rodrigue worked in recently?

Rodrigue has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Rodrigue's education?

Rodrigue holds a Master in Technical Computer Science from University of Siegen.

Does Rodrigue have any certificates?

Rodrigue has 4 certificates. Among them, these include: Big Data, Introduction to CQ5, and Oracle DBMS Introduction and SQL.

What is the availability of Rodrigue?

Rodrigue is immediately available full-time for suitable projects.

What is the rate of Rodrigue?

Rodrigue's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.