About Julien
English
Conversational
French
Native or bilingual
Experience
- Leroy MerlinLead DeveloperRETAIL (LARGE RETAILERS)March 2021 - Today (5 years and 3 months)Lille, France« Sales Price Planning »• 🕴🏻 Client : Leroy Merlin• 📝 Description : Price management & publication project• 🎯 Actions :- Project architecture implementation: front & BFF + backend- Development of the sales price management workflow- Development of price consultation screens and their history- Multi-tenancy (multi-country) implementation on price management project modules- Java/Spring technical expertise for other teams• 🔱 Methodology : monorepo, continuous deployment• 🛠 Technologies & Tools :- Frontend : Vue.js 3, Node.js, TypeScript- Backend : Java 17, Spring Boot 2, Reactor, MongoDB, Kafka (KStream, ksqlDB), microservices
- Leroy MerlinFull-stack Java/Spring & Vue.js DeveloperRETAIL (LARGE RETAILERS)January 2020 - March 2021 (1 year and 2 months)Lille, France« Dop'Anim »• 🕴🏻 Client : Leroy Merlin• 📝 Description : Refactoring of the commercial operations management project.• 🎯 Actions :- Participation in the definition & implementation of the project architecture- Security: implementation of login and access restrictions- Feature development- Refactoring of application modules• 💪🏻 Results :- Project in production- Scalable application, with simple addition/modification of validation rules• 🔱 Methodology :- Development: Test-Driven Development (TDD), Domain Driven Design (DDD)- VCS: GitHub flow, Code review- Project Management: Agile Kanban, Lean methodology• 🛠 Technologies & Tools :- Backend : Java 11, Spring Boot 2, Reactor, MongoDB, Kafka- Frontend : Vue.js 2, JavaScript/TypeScript, Vuetify, Vuex
- DECATHLON SA – Decathlon CreationJava EE Spring DeveloperRETAIL (LARGE RETAILERS)August 2018 - December 2019 (1 year and 3 months)Lille, France« MyGame »• 🕴🏻 Client : Decathlon• 📝 Description : Project for managing store indicators through aggregation and/or calculations.• 🎯 Actions :- Reimplementation of the calculation engine- Review of the development and delivery process- OPS Relay: maintenance of the pipeline and various applications on their environments- Implementation of application resilience- Implementation of automated testing strategies (unit, integration, end-to-end)• 💪🏻 Results :- 75% reduction in calculation engine processing time- Simplified development & deployment process (continuous deployment, monobranch, monorepo)- Secured deliverables through automated testing (end-to-end)• 🔱 Methodology :- Development: Test-Driven Development (TDD), Domain Driven Design (DDD), Pair programming- VCS: Git flow, continuous deployment, monorepo & monobranch, Code review- Project Management: Agile (Scrum, no estimates)- DevOps• 🛠 Technologies & Tools :- Languages : Java 8, JavaScript/TypeScript- Backend : Spring 5, Spring Boot 2, Reactor, Spring Data JPA- Databases : PostgreSQL, Elasticsearch- DevOps : Jenkins 2, Docker, docker-compose, Rancher• 😍 Personal Contributions :- Validation of skills in continuous deployment and monorepo- Skill development in team leadership
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Education
- Computer Science EngineerISIMA (Higher Institute of Computer Science, Modeling and their Applications)2013