Freelancer profile translated to English.
Back to original languageAbout Romain
Great passion for new technologies and sciences, my favorite technologies revolve around the JVM.
My latest experiences have led me to work on Spring/Java micro-services as well as on precise document scoring issues in Elasticsearch. I also developed a front-end in Angular 5 / Bootstrap 4.
The challenges for today's IT developers are constantly evolving and push me to maintain a cross-functional profile regarding DevOps technologies like Jenkins, Docker, and Gitlab CI. I also spend part of my free time doing broad technological monitoring, ranging from Android development with Kotlin to the principles of Blockchain, including Reactive Programming.
Always positive and forward-thinking, I would be happy to work in a willing and enthusiastic team in an Agile environment. Being CAE (Cambridge Advanced English) certified at C1 level, I would not hesitate to participate in a French or multilingual team.
French
Native or bilingual
English
Fluent
Can work on-site
Rennes (up to 20km), Saint-Malo (up to 20km)
Experience
- Groupe RocherJava/Spring Backend DeveloperFASHION AND COSMETICSJanuary 2022 - Today (4 years and 5 months)Rennes, FranceDeveloper within a team of about ten people responsible for developing customer data management services (identification, consents, provision of purchase history, etc.). The goal of the mission was the complete redesign of the existing system with a view to reducing operational costs and improving performance.- Architecture and development of new APIs necessary for customer data management.- Development of an API acting as a facade for all our other services and performing external calls.- Migration of the API Management tool from Layer7 to Apigee (GCP)- Maintenance and evolution of the existing stackTechnical Stack:Java 21, Spring 6 (Boot, Data JPA, Integration)Maven, Gitlab CIPostgreSQL 16, MongoDB 8, RabbitMQGCP (GKE, Apigee, Pub/Sub, ...), Docker
- CooperlJava Backend Developer - SpringAGRICULTUREJune 2018 - January 2022 (3 years and 7 months)Rennes, FranceDevelopment of a product for breeders to manage data, display production statistics, and optimize their breeding.- Development of a data management and aggregation API for statistics reporting- Assistance with deployment and Infrastructure As Code with Kubernetes, Helm, and GCP.- Continuous integration with Gitlab, Jenkins, and Sonar.- Redesign of the Message Broker's operation.- Creation of a POC for displaying functional statistics
- Carboat mediaFullstack Developer Java - Spring / AngularE-COMMERCEMarch 2017 - May 2018 (1 year and 3 months)Paris, FranceCar & Boat Media owns several websites (including lacentrale.fr) for selling new and used vehicles between individuals and professionals.Development of micro-services concerning the management of the automotive database and the correspondence between user searches and this same database.- Development from scratch of an application to replace and unify legacy correspondence applications between vehicles.- Migration to AWS and upgrade to Elasticsearch 5.5.- Dynamic management of Elasticsearch synonyms- Creation of an interface for testing and debugging the correspondence algorithm and simulating user queries.
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Education
- Oracle Certified ProfessionalOracle2016Certification pour Java 8 obtenue avec un score de 72%
- Oracle Certified AssociateOracle2016Certification pour Java 8 obtenue avec un score de 88%