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Lebonheur CalvynLC

Lebonheur Calvyn

Fullstack Engineer Java/Spring Boot and Js/Angular

€125/day
Nice, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Lebonheur

I am both a Php && laravel and Javascript && react js developer.

Thanks to my professional and freelance experiences, for over 3 years, I am able to meet client needs.

  • French

    Native or bilingual

  • English

    Conversational

  • Malagasy

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Qenvi Robotics
    Fullstack Developer Java / React js
    TECH
    April 2024 - Today (2 years and 1 month)
    Valbonne, France
    Achievements:
    • Participation in Agile Scrum rituals: sprint planning, daily scrum meeting, Sprint
    review, Sprint retrospective
    • Handling anomalies and correcting application bugs in production environments
    • Writing technical and functional documents for each feature

    Backend Part:
    • Migration from Java v8 and J2EE Java to 17 and Spring Boot
    • Implementation of new features
    • Development of REST APIs using Spring Boot
    • Adherence to best coding practices and SOLID principles (included in the
    core Framework: singleton, scoped, and transient; CQRS read/write separation)
    • Use of Auth0 JWT for API security
    • Use of Swagger for documentation
    • Ensuring code quality (code review)

    Frontend Part:
    • Component Development: Creation, optimization, and maintenance of reusable and
    modular React components for an efficient frontend architecture
    • API Integration: Optimized consumption and seamless integration of backend
    services via REST API calls, aiming to improve overall system efficiency and
    performance
    • State Management: Effective use of tools like Redux and Context API for optimal
    application state management, ensuring consistency and responsiveness
    • Performance and Optimization: In-depth analysis and optimization of application
    performance.

    Environment:Java 17, Spring boot v3, Spring Security, Spring Data, Maven,
    Hibernate, JPA, JavaScript, ReactJS v16, Redux, JSX, NGINX, PostgreSQL, Git,
    Java 17, Spring boot v3, Spring Security, Spring Data, Maven, Hibernate, JPA, JavaScript, ReactJS v16, Redux, JSX, NGINX, PostgreSQL, Git,
  • AIR FRANCE KLM
    Fullstack Engineer Java – Spring framework and Springboot / Angular
    AVIATION AND AEROSPACE
    March 2023 - April 2024 (1 year and 1 month)
    Valbonne, France

    Achievements:
    • Implementation of new features
    • Handling anomalies and correcting application bugs in production environments

    Backend Part:
    • Development and integration of SOAP or REST API web services using the Spring
    framework
    • Development and integration of new features in SOAP/REST API services in
    accordance with defined specifications
    • Identification, analysis, and resolution of existing anomalies in SOAP or REST
    API services to ensure stable and reliable operation
    • Development of unit and integration tests to validate the functionality of SOAP
    or REST API services, as well as debugging to resolve encountered issues, with
    monitoring of code coverage rate
    • Writing detailed technical documentation to facilitate understanding and
    maintenance of developed services.

    Frontend Part:
    • Development of component, service, and directive migration from an AngularJS
    application to Angular v15
    • Use of Angular v15 to implement interactive and responsive user interfaces,
    thus improving the overall user experience
    • Integration of SOAP or REST API web services in compliance with defined
    specifications, ensuring reliable and secure communication with the backend
    • Frontend performance optimization to ensure a fast and fluid user experience
    • Development of unit and integration tests to validate the functionality of migrated
    components.

    Environment:Java v8 / v11, Spring framework, Spring Boot, Spring security,
    Spring data, Spring batch, SOAP, REST API, Maven, Hibernate, JPA, Typescript,
    Angular 15, RxJS, NgRX, Oracle 11g, Git, Bitbucket, Confluence, SoapUI, Swagger,
    Bamboo, Spring Tool Suite (STS), Vs Code, Angular Material, Css3, html5, Jquery,
    Junit, Mockito, Azure Devops.
    Java 8, 11, Spring core, Spring Boot, Spring security, Spring data
  • Etech consulting
    Fullstack Engineer Java – Springboot / Angular
    DIGITAL AND IT
    February 2022 - March 2023 (1 year and 1 month)
    Antananarivo, Madagascar
    Project Context:Within a team of 6 people, using Agile Scrum methodology.
    Work on the BIM project. Building Information Modeling is a real estate management
    approach using a digital model integrating structured data on surfaces, floors,
    rooms, equipment, materials, and typical energy performance, ensuring optimized
    project management.

    Achievements:
    • Handling anomalies and correcting application bugs in production environments
    • Use of an n-tier architecture (client-server architecture in which an application is
    executed by several distinct software components)
    • Development of backend and frontend features for various modules: Aforge,
    Patrimony, and User
    • Configuration of automatic deployments with Jenkins
    • Development of Angular components

    Environment:Java v11, Spring Boot 2, Spring security, Spring data, Spring
    batch, REST API, Maven, Hibernate, JPA, Angular 12, RxJS, MongoDB, GitLab,SVN,
    GitLab, Swagger, Postman, Intelijj IDEA, Vs Code, Angular Material, Css3,
    html5, Junit, GCP Devops, IOT sensors, raspberry pi, JQuery, Javascript, Jenkins.
    Java v11, Spring Boot 2, Spring security, Spring data, Spring batch, REST API, Maven, Hibernate,
Check out Lebonheur's experience

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Education

  • Professional Master in Software Engineering and Databases
    National School of Informatics - Madagascar
    2019
    Génie logiciel et Base de Données
  • Professional License in Software Engineering and Databases
    National School of Informatics - Madagascar
    2017
    Génie logiciel et Base de Données
Check out Lebonheur's education

Certifications

Lebonheur's certifications are only visible to Malt Community members

Skill set (23)

Java
Java Spring Boot
Angular Material
Bootstrap
HTML/CSS
RxJS
MongoDB
PostgreSQL
MySQL
Testing and Quality Assurance
Content Integration
External API integration
Front End Interface Development
Backend Service Development
Microservices
Monolithic
Angular
Git
Java/J2EE
Java 17, Spring boot v3, Spring Security, Spring Data, Maven, Hibernate, JPA, JavaScript, ReactJS v16, Redux, JSX, NGINX, PostgreSQL, Git,
Java 8, 11, Spring core, Spring Boot, Spring security, Spring data
Java v11, Spring Boot 2, Spring security, Spring data, Spring batch, REST API, Maven, Hibernate,
Java v8, Spring boot 2, Spring security, Spring data, REST API, Maven, Hibernate, JPA, Angular 5,

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