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Brundone KadjioBK

Brundone Kadjio

Full-Stack Java & React Developer

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Brundone

Full-Stack Java & React Developer, I help companies design and develop high-performing, secure, and scalable web applications. I work on creating robust REST APIs with Java / Spring Boot as well as developing modern and responsive interfaces with React.js.

My goal is to provide reliable, maintainable solutions tailored to business needs, while ensuring excellent code quality and a great user experience. With solid expertise in n-tier architectures, microservices, and cloud environments, I can handle projects with high volume or those requiring a scalable and secure architecture.

What sets me apart: strong analytical skills, a quality and performance-oriented approach, and ease in collaborating with technical and business teams in Agile contexts. I also ensure that I apply good development practices (SOLID, clean code, testing, security, CI/CD).

I regularly work on:

  • Developing Full-Stack web applications
  • Designing secure REST APIs
  • Microservices and SOA architectures
  • Frontend React / TypeScript integration
  • Using AWS services in certain projects (SNS, SQS, S3, CloudWatch, etc.)
  • Maintenance, optimization, and redesign of existing applications
  • Projects requiring performance, scalability, and maintainability

I have also had the opportunity to work with other technologies and tools such as Python (FastAPI), Flutter, and Figma for UI/UX collaboration and mock-up integration.

Main technologies: Java, Spring Boot, React.js, TypeScript, Python (FastAPI), Flutter, REST API, AWS, Docker, SQL/NoSQL, Git, CI/CD, Figma.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • L'ENTREPRISE CODEZYS
    Full-Stack Java & React Developer
    September 2022 - Today (3 years and 11 months)
    Paris, France
    • Development of REST APIs for management:
    o Users (companies, experts, consultants)
    o Missions, contracts, and invoices
    • • UML design
    • • Data persistence management with Hibernate / JPA
    o Entity mapping (users, missions, payments)
    o Management of relationships and transactions
    • • Implementation of a service-oriented architecture:
    o Service separation (authentication, user management, missions) o Communication via REST APIs Backend management
    React.js Java Spring Boot JPA/Hibernate Spring boot Spring Cloud
  • SMARTCODE Group Makepe,
    Full-Stack Java and Node.js Developer
    November 2021 - May 2022 (6 months)
    Douala, Cameroon
    Technical environment: Java 11, Spring Boot 2, Node.js (Express), Nuxt.js, Bootstrap, Asana, Git, GitLab CI/CD, MongoDB, VS Code, IntelliJ, JUnit, Mockito, Swagger.
    Java Spring Boot Java MongoDB Nuxt.js Git
  • L'ENTREPRISE NOBISOFT
    Full-Stack Developer
    September 2021 - October 2021 (1 month)
    Douala, LT, Cameroon
    Technical environment: Firebase (Firebase Authentication, Firestore, Cloud Storage, Cloud Functions), Vue.js, Git, GitHub, Trello, VS Code.
    Firebase Vue.js Git GitHub Trello

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Education

  • Information Systems Designer (CSI)
    2021
    Concepteur de systèmes d'information (CSI)
  • 3IL Group Program
    IUC (Higher Education Institute of the Coast) Douala
    Programme 3IL Groupe

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