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Rayan KabraRK

Rayan Kabra

Full Stack Developer

€400/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rayan

Full Stack Developer | React.js | Next.js | TypeScript | JavaScript | Node.js ✨

Do you need a reliable, fast, and easily scalable web application, free from technical debt and unnecessary complexity? Your priority is to deliver a clear, well-managed product aligned with your business objectives.

I am a web developer specializing in React.js, Next.js, TypeScript, and JavaScript. I work withstartups**, **SMEs**, and **product teams in large corporationson the design and development of modern web applications focused on performance, SEO, and user experience. My role covers the entire development cycle, from technical scoping to production deployment.

I have worked on various projects: SaaS platforms, business tools, dashboards, internal applications, and high-visibility websites. I useReact.jsto build robust and maintainable interfaces,Next.jsto optimize server rendering, speed, and SEO, andTypeScriptto secure code and facilitate its evolution.

When necessary, I can also handle full-stack projects withNode.js**, using **SQLorNoSQLdatabases, depending on functional constraints and expected volume. This approach allows for the delivery of a coherent end-to-end application without multiplying technical contacts.

I am involved in both from-scratch projects and in taking over, optimizing, or structuring existing systems. I offer a turnkey service, with a professional, stable, and maintainable deliverable, ready to evolve and be taken over by another team.

If you are looking for aReact.js / Next.js developercapable of securing your product and supporting you long-term, a first video call can quickly frame your needs, with a response within the hour.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km), Lille (up to 50km), Marseille (up to 50km)

Experience

  • Circul'Egg
    Web Developer | Next.js | React.js | Typescript | Node.js
    AGRICULTURE
    October 2025 - Today (9 months)
    Paris, France
    Mission Objective:

    Optimize and industrialize the web platform of an agri-food & cosmetic startup valorizing eggshells, with a performant, scalable front-end and custom business tools.

    Achievements:

    • Refactoring and optimization of the front-end inReact.js / Next.js / TypeScript, improving performance, perceived qualityand site **visibility**.
    • Finalization of theNext.jssite in line with mockups, withAirtableintegration for autonomous content management, generating significanttime savingsfor the client.
    • Design of a custom traceability software inNext.js / TypeScript/Node.js / PostgreSQL, enhancing reliability, operational performanceand production monitoring.
    • Implementation of a **CI/CD pipeline with GitHub Actions**.

    Technical Stack:
    React.js, Next.js, TypeScript, Node.js, PostgreSQL, Airtable, TailwindCSS
    React Front-end Web Developer Web Developer Next.js React.js TypeScript
  • Krialys
    Full Stack Web Developer | React.js | TypeScript | C# | PostgreSQL
    SOFTWARE PUBLISHING
    November 2022 - November 2025 (3 years)
    Suresnes, France
    Mission Objective:
    Develop and maintain robust application interfaces for a B2B software publisher, with a strong emphasis ondata quality, performance**, and **business customizationfor major clients.

    Achievements:

    • Design of application interfaces inReact.jsconnected to aC# / PostgreSQLback-end, ensuringperformance, reliability**, and **perceived qualityfor critical environments.

    • Implementation of strongbusiness logicand advanced data processing, improvingconsistency, data quality**, and **time savedfor users.
    • Creation of acustom KPI dashboardbased on user profile in **React.js, optimizing visibility, decision-making**, and operational performance.

    Technical Stack:React.js, TypeScript, C#, PostgreSQL, CSS
    Full Stack Developer React.js C# PostgreSQL TypeScript

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Education

  • Application Designer Developer
    Le Reacteur
    2023
    - Développement d'interfaces Front End (React.js, Next.js, Typescript, Javascript, TailwindCSS, Shadcn), - Développement Back End (Node.js, Typescript, Nest.js, MongoDB, PostgreSql) - Architecture logicielle et modélisation UML - Développement web mobile (React Native, Expo)
  • Application Designer Developer
    Digital School
    2022
    - Développement d'interfaces Front End (HTML5, CSS3, Javascript, React.js, Next.js), - Développement Back End (Node.js, Nest.js, Express)

Certifications

  • Application Designer Developer - Web & Mobile
    Le Reacteur
    2023
    TypeScript PostgreSQL Node.js MongoDB Next.js React Native React.js NestJs

Skill set

Categories