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Julien PinguetJP

Julien Pinguet

Lead Developer (Architect) Back (Java/Spring)

€550/day
Lille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

With strong expertise in the back-end environment (Java/Spring & Node.js), my curiosity has led me to broaden my scope to front-end (Vue.js & Angular) and the Agile & DevOps movement.
I attach great importance to quality (testing, code review, pair programming).
Personally, I would describe myself as extremely passionate and motivated, especially when I am given the trust and freedom to do a good job.
  • English

    Conversational

  • French

    Native or bilingual

Can work on-site
Lille (up to 10km)

Experience

  • Leroy Merlin
    Lead Developer
    RETAIL (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
    Java Spring Apache Kafka MongoDB Git Docker Vue.js Typescript
  • Leroy Merlin
    Full-stack Java/Spring & Vue.js Developer
    RETAIL (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
    Java Spring MongoDB Microservices Docker Vue.js Typescript Git
  • DECATHLON SA – Decathlon Creation
    Java EE Spring Developer
    RETAIL (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
    Java Spring Reactor Docker Git Jenkins

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Education

  • Computer Science Engineer
    ISIMA (Higher Institute of Computer Science, Modeling and their Applications)
    2013

Skill set

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