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Jawher K.JK

Jawher K.

Full-Stack Java SpringBoot / ReactJS Developer

€150/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jawher

Freelance Full Stack Developer

With extensive project experience, I design reliable applications with a focus on architecture, security, performance, and product quality.

⏺️Accelerate your product development with a technical partner 👨‍💻
  • French

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Strat'Change
    Design and development of a collaborative platform for event and artist management
    TECH
    February 2025 - September 2025 (7 months)
    Tunis, Tunisia
    Develop a collaborative platform for comprehensive event and artist management, with a modern, scalable, and secure architecture.
    👉 This was the objective!

    🏗 Architecture

    Implementation of a microservices architecture (8 independent microservices, each dedicated to a specific business domain).

    Use of an API Gateway and Load Balancer to centralize and optimize traffic management.

    Inter-service communication via:

    gRPC (synchronous, service-to-service)

    Kafka (asynchronous, event-driven).

    WebSockets for managing real-time interactions between the client and the platform.

    🔌 External Integrations

    Cloudinary → media management and storage.

    Mailtrap → transactional email management.

    Spotify API → music integration.

    Online Payments → integration of a third-party secure payment service.

    🔐 Security & Best Practices

    CORS configuration.

    Implementation of best security practices (authentication, authorization, communication encryption).

    Adherence to software design principles:

    SOLID

    DRY

    KISS

    Application of Clean Code best practices to improve readability and maintainability.

    💻 Front-end & Client Integration

    Development of the web client with React.js and Tailwind CSS.

    Design of 100% responsive and mobile-friendly interfaces.

    Implementation of a fluid and intuitive user experience (UX), with a modern UI.

    ✅ Results

    A distributed, modular, and scalable platform, facilitating artist and event management.

    A scalable infrastructure, capable of handling significant loads.

    A maintainable architecture, compliant with modern software development standards.

    A modern, responsive user interface accessible on all devices.
    Microservices Microservices Architecture Java Spring Boot React.js
  • Vlynk
    Graphic and Web Designer
    DIGITAL AND IT
    February 2024 - Today (2 years and 6 months)
    Paris, France
    ⚫ Creation of brochures for internal use and distribution to clients, ensuring effective visual communication.
    ⚫ Development of the company's website (vlynk.fr), thereby enhancing online presence and user experience.
    ⚫ Design of innovative NFC business cards and NFC social media cards, facilitating digital exchanges.
    ⚫ Production of attractive and informative newsletters, contributing to better customer communication.

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Education

  • Bachelor's degree in Computer Science and Multimedia
    Higher School of Applied Sciences and Management
    2025

Skill set

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