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Professional Experiences

Java Developer

Zenika - DECATHLON

Since May 2022

• Team Member sport, Sport activity collecting and routing plus users OAuth2 connection management

  • HUB application, kafka streaming
  • Collect user activities from partners API like FITBIT, Strava, Coros ...
  • Micro-service oriented application

• Main achievement

  • Java development to support compatibility with new partners
  • Exposed a sport activity stream to other internal teams
  • Maintain and develop fluxcd manifest
  • Deploy Java application service thanks to helm descriptor into kubernetes cluster

Technical environment : Java 17, Spring (Core, Boot, Security, Kafka), Maven, JUnit, Architecture Hexagonale, Postgresql, Kubernetes, Helm, Github, OAuth

Advice mission, Kafka setup

Zenika - PeopleSpheres

March 2022 - April 2022

• POC Kafka architecture Event driven, conseil sur des scenarii RH.

  • POC application related to RH software
  • Software architecture and good practice about micro-service implementation
  • Advice mission

• Main achievement

  • Scaffold Spring kafka Java application
  • Setup confluent cloud, like topic creation and ACL definition
  • Release pipeline and deployment with github action
  • Deploy Google Cloud Run application with terraform descriptor

Technical environment : Java 17, Spring (Cloud, Boot), Maven, Kafka, Github, GCP, Terraform, Cloud Run, Springdoc-openapi

Devops : Terraform - Azure / Java - kotlin

Zenika - Sodiaal

October 2021 - February 2022

• Dolmen project, payroll software / milk producer self billing.

  • Dolmen referential application
  • Business dataset for payslip generation
  • Internal Project for external customer with 9 colleagues

• Main achievement

  • Kotlin development of import functionality
  • Development of referential microservice with kotlin
  • CI and CD pipeline on Gitlab
  • Azure deployment and provisioning thank to terraform

Technical environment : Java 17, Spring (Core, Boot, Security, MVC, JPA), Maven, JUnit, Testcontainers, Postgresql, Kotlin, Gitlab, Azure, Terraform

Devops : Ansible / Go / Java - Kotlin

Zenika - Enedis

November 2020 - September 2021

• ZSEv2 project, private cloud infrastructure with Openstack for Linky project.

  • Miscellaneous Ansible deployment
  • FOOGaaS application (Firewall Orienté Objet Generique as a Service)
  • Network Flux management between Openstack projects as code
  • Cloud service team with 9 colleagues, ~40 people on the project

• Main achievement

  • LDAP + JWT token authentication
  • Enhance test coverage with testify library
  • Jenkins and Ansible deployment task

Technical environment : Go 1.15, Gin HTTP framework, Testify, go-swagger, Docker, Ansible, Jenkins, Bitbucket

Devops : Ansible / Java - Kotlin

Zenika - Enedis

February 2019 - October 2020

• ZSEv2 project, private cloud infrastructure with Openstack for Linky projects.

  • CMDB application (Configuration Management Database Dynamic)
  • Automatic and historized storage of the current cloud infrastructure state
  • Customizable and extendable application (store any kind of events : openstack, aws etc ...)
  • Team of 3 persons part of a ~40 colleague project

• Main achievements :

  • Deployment of On Premise elasticsearch, kafka, zookeeper cluster
  • Automation with Infra As Code and continuous deployment
  • Linux administration
  • Java / Kotlin API development
  • Integration test with testcontainers

Technical environment : Java 11, Spring (Core, Boot, Security, MVC, Sluth), Maven, JUnit, Testcontainers, Json, Rest, Elasticsearch, Kafka, Kotlin, GIT, Angular 8, Jest, Docker-compose, Ansible, Jenkins, Bitbucket

Développeur FullStack

Sully Group - France Agrimer

Avril 2018 - Fevrier 2019

• Céré'obs project, grain management software

  • Data weeklies reporting application
  • Talend job's data processing
  • 9 person team

• Assignment and main achievements :

  • Setup development base
  • Setup liquibase script
  • POC development following viability study
  • Application screen development (Fullstack)
  • Front-end and back-end tests
  • Contribute to project bug fix

Technical environment : Java 8, JEE, Spring (Core, Boot, Security, MVC, Zuul), Maven, JUnit, Json, Rest, oracle, Lombok, GIT, JWT, Angular 6, Jest, Docker-compose, Liquibase

Développeur Java/JS

Sully Group - Réseau de Transport d'Electricité

March 2017 - April 2018

• EasyGeo project

  • cartographic application of french electrical network
  • Import, Drawing, Print, Measures, GIS content management.
  • Display in geomatics layers of the different electrical networks
  • Team of 11 persons
  • Agile project with 3/4 weeks by sprint

• Assignment and main achievements :

  • Front-end code structuration and organisation (javascript module / JQuery)
  • FullStack development of various feature (Import, Search in geometric space, Print)
  • Performance benchmark with Scala Gatling
  • Spring batch development and setup / scheduled tasks

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🧪 Personal Projects :

Ops

1 - Setup and maintain a three physical host infrastructure :

• Host 1 : Traefik, OpenVPN, Nginx, Nextcloud, Mongodb, nfs provisioner (Master node kubernetes The Hard Way)

• Host 2 : Gitea, docker registry, ssh debian

• Host 3 : Nginx, postgresql, php-fpm

2 - Provisioning libvirt domain with terraform

Dev

• Self made linux container in c language thanks to namespace and pivot root

• DNS resolution tools http and encoding/decoding wireformat

• Slack bot alerting commands with golang

• C++ development of cli password manager cli with aes cipher

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📚 School career

• 2015 – 2018 : Master Computer Science : University Claude Bernard Lyon 1

• 2014 - 2015 : Licence Computer Science : University Claude Bernard Lyon 1

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Hobbies

• 💻 Technical awareness on many topics

• 🎥 Movies

• 🐧 Linux

• 🛡️ Security NDH, GreHack

Languages

• 🇫🇷 French

• 🇬🇧 English

Certifications

• Cisco CCNA Academic 1/2

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