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Guillaume ChaputGC

Guillaume Chaput

Java Spring Boot Full Stack Developer Engineer

€650/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Senior Full Stack Software Engineer with strong expertise in back-end development, primarily in Java, Kotlin, and Spring Boot. Passionate about creating robust and high-performing applications, I rely on solid design principles such as microservices architecture and methodologies like Test Driven Development (TDD). I also integrate reactive programming to optimize memory and execution time performance.

In addition to my back-end skills, I am also proficient in front-end development with Angular, offering complete expertise in Full Stack development. My skills also extend to the DevOps domain, including tools like Jenkins, GitHub Actions, and Docker, for deployment in a Kubernetes environment, thus covering the complete application development cycle.

An engaged practitioner of Agile methodology, particularly Scrum, I strive to continuously improve software quality through close collaboration with clients.

Always looking for new challenges, I am motivated by innovation and the creation of cutting-edge technological solutions.

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Fontainebleau (up to 20km)

Experience

  • Pluxee
    Tech Lead Java & React
    RETAIL (LARGE RETAILERS)
    September 2024 - Today (1 year and 9 months)
    Paris, France
    Technical and functional leadership of a key component ('Product Catalog') of the new international Pluxee platform.

    Architecture, development, and integration with Salesforce CPQ

    Team management and product coordination

    Delivery and continuous improvement of the new international back-office
    Java Spring boot React.js Salesforce Apache Kafka
  • Yuzer
    Full-Stack Developer
    SOFTWARE PUBLISHING
    June 2021 - September 2024 (3 years and 3 months)
    Paris, France
    Yuzer is a software publishing startup for Dealer Management Systems (Motorcycle, bicycle, electric car, and more...) in SaaS with integrated ERP and CRM functionalities.

    • Back-end: RESTful microservices architecture in Kotlin and Spring Framework.
    • Front-end: Electron application developed with TypeScript, Angular, NodeJS, and Bootstrap.
    • Database: Cassandra for high-performance data storage and Elasticsearch for efficient search functionalities.
    • Deployment: Docker containers orchestrated by Kubernetes on AWS, ensuring a robust and scalable infrastructure.
    • Design: 100% reactive application using Spring Reactor and RxJS.
    • Scripting: Python for automation tasks and scripting needs.
    • Version Control: Git for code versioning and collaboration.
    • Build Tool: Gradle and Yarn for project build management.
    • CI/CD: GitHub Actions to test and deliver builds across all environments.
    Kotlin Spring boot Angular Cassandra Elasticsearch
  • Oxand
    Software Engineer, Scrum Master & Data Analyst
    CONSULTING AND AUDITS
    April 2014 - May 2021 (7 years and 1 month)
    Fontainebleau, France
    Oxand is a consulting firm specializing in asset and risk management. They use their Simeo software to simulate infrastructure aging to help their clients optimize the performance and lifespan of their assets, reducing risks, in sectors such as energy, transport, or construction.

    • Development of the SIMEO simulator (probabilistic simulator of infrastructure aging using the Monte Carlo method) in Java, Spring, and Hibernate with a REST API, in close collaboration with civil engineering experts.
    • Extensive use of Test Driven Development to ensure the simulator's robustness.
    • Continuous integration with Jenkins.
    • Database in MySQL then PostgreSQL.
    • Maven as Build tool.
    • In-depth analysis and visualization of simulation data using Qlik Sense (Business Intelligence tool).
    • Scrum Master of the development team.
    • Migration of the versioning tool from SVN to Git.
    Java Spring Hibernate Scrum Qlik

Recommendations

Christophe CheneCC
Jean Le DrogoJL
Christophe Chene and 1 other person have recommended Guillaume

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Education

  • Master in Computer Science
    OXFORD BROOKES UNIVERSITY
    2006
  • Computer Engineering Degree
    SUPINFO
    2006

Certifications

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