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Antoine RomandAR

Antoine Romand

Java / Spring / NestJs / Angular Developer

€250/day
Antibes, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Antoine

Are you looking for a developer who can evolve a web application, develop an API, or strengthen your team on backend and full-stack topics?

TypeScript & Java Full-Stack Developer, I have over 2 years of experience in developing web applications and business APIs. During my experience at TravelJuice, I participated in the modernization of a travel industry platform through API development, Angular applications, and progressive migration to a service-oriented architecture.

I work on both backend and frontend projects, with expertise in Java, Spring Boot, TypeScript, NestJS, and Angular.

I can assist you with:
  • REST API and backend service development
  • Angular web application development
  • Modernization of existing applications
  • Evolution of application architectures
  • Integration of SQL and NoSQL databases
  • Implementation of automated tests and CI/CD pipelines

In parallel with my professional experience, I am developing several technical projects around Java, Spring Boot, Kafka, and Docker to deepen my understanding of software architecture, distributed systems, and software quality issues.

I favor projects where code quality, understanding business needs, and collaboration with teams are at the heart of product success.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Antibes (up to 20km)

Experience

  • TravelJuice
    FullStack Developer
    TRAVEL AND TOURISM
    February 2022 - August 2024 (2 years and 6 months)
    06560 Valbonne, France
    Participation in the modernization of TravelJuice's information system through the progressive migration of monolithic services to a service-oriented architecture with NestJS.

    Development and evolution of a central API and a business back-office under Angular, in collaboration with business teams and the Product Owner. Contribution to the migration of the old platform to Backbone API with data model optimization and migration automation.

    Design and evolution of a generic CRUD system shared between backend and frontend, implementation of business features (content management, search engine, eco-criteria calculation), and continuous improvement of application performance and stability.

    Participation in deployments via Jenkins and Portainer, Git versioning management, and development best practices. Technical support for two interns and occasional relay of the Tech Lead in an Agile Scrum environment.
    NestJs Angular Typescript Git Docker
  • Projets techniques personnels
    Java Backend / Full-Stack Developer
    March 2025 - Today (1 year and 5 months)
    Antibes, France
    Development of several technical projects around Java, Spring Boot, and Angular to deepen understanding of software design, application architecture, and distributed systems.

    REST API design, implementation of asynchronous communications with Kafka, application security with Spring Security, and development of modern web interfaces with Angular.

    Application of DDD, Clean Architecture, and TDD principles, implementation of automated tests with JUnit and Testcontainers, and CI/CD pipelines with GitHub Actions.

    Main achievements:
    • Neo-Ledger: payment processing system with Kafka and Outbox Pattern.
    • CAE-API: Java 21 / Spring Boot API in hexagonal architecture.
    • PictsManager: image sharing platform developed in Java and Angular.
    Java Spring boot Angular Apache Kafka Docker

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Education

  • Master Msc Pro
    Epitech
    Master Msc Pro
  • Bachelor Pré-MSC
    Epitech
    Bachelor Pré-MSC

Certifications

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