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Nathan KissNK

Nathan Kiss

Full-stack Developer đź’» React.js | Next.js

€400/day
1 project
Strasbourg, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nathan

🚀 Freelance FullStack Web Developer | React.js | Next.js | Node.js | C# .NET


Looking for areliable**, **versatile**, and **responsivedeveloper to turn your ideas intoperformantandscalableweb applications?
That's exactly what I offer: support from design to production, with a high level of technical quality and clear communication at every step.

đź”§ My web development expertise

Modern & Custom Frontend
Development of responsive and adaptive web interfaces (React.js, Next.js, Vue.js).

UX/UI Optimization
Tailwind CSS, Shadcn UI, Material UI.

SEO & Performance
SSR, SSG, ISR with Next.js.

Robust & Scalable Backend
Node.js, Express, NestJS & C# .NET.

REST & GraphQL APIs, Real-time WebSocket.

Databases
SQL & NoSQL (PostgreSQL, MySQL, MongoDB).

Secure & Modular Architecture.

Quality, Optimization & Maintenance
Refactoring and modernization of legacy code.

đź“‚ Some recent projects

  • Studio Fief : co-founder of a marketing agency. I develop your premium website: * Tribify : Networking platform for entrepreneurs – Next.js + TypeScript + Node.js + Supabase.
  • Email Sorting Application – React.js + TypeScript + Google API.

đź’ˇ Why collaborate with me?

✔️ Autonomous FullStack – frontend & backend, I can manage your projects from A to Z.
✔️ Multi-domain Experience – SaaS, dashboards, POC/MVP, scripts.
✔️ Adaptability – I easily integrate with your tools and methodologies (Agile, Scrum).
✔️ Fluid & Transparent Communication – always available, responsive, proactive.
✔️ Speed & Reliability – response within 2 hours, quick start.

🎯 My goal : to bring your web projects to life with seriousness, passion, and efficiency.
Let's discuss your needs → free 15-minute discovery call.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Studio Fief
    Co-founder
    September 2025 - April 2026 (7 months)
    Co-founder and CTO of a marketing agency. I develop websites with a premium quality design.
    Front-End Development Web Development Web Integration React.js Next.js
  • 3ma group
    .NET Internship
    DIGITAL AND IT
    January 2023 - April 2023 (4 months)
    - Development, optimization, and deployment of the training and evaluation portal I created during the previous internship.
    - Use of HTML, CSS, JavaScript in front-end
    - Use of C# .NET and internal tools for the back-end
    - Use of Microsoft SQL Server databases
    - Unit and cross testing
    - Documentation and meetings highlighting the project
    HTML5 CSS3 JavaScript C# Database
  • 3ma group
    .NET Internship
    DIGITAL AND IT
    April 2022 - July 2022 (4 months)
    - Creation of a project based on the company's needs stated during a meeting. Development of their new training and evaluation portal with .NET
    - Use of HTML, CSS, JavaScript in front-end
    - Use of C# .NET and internal tools for the back-end
    - Use of Microsoft SQL Server databases
    HTML5 CSS3 JavaScript C# Database

Reviews

5.0

Out of 1 rating

J

James

Marie Pierre Derderian

Reviewed on 7/30/2025

Nathan is very professional and attentive. Thank you

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Education

  • High School Diploma (Baccalaureate) in Science with ISN specialization
    Lycée Episcopal de Zillisheim
    2020
    Baccalauréat général
  • Computer Engineering Degree
    CESI Engineering School
    Cursus ingénieur incluant la formation à diverses compétences telles que le développement web (React, NodeJS), le Big Data, l'intelligence artificielle, les systèmes automatisés, l'algorithmique avancée, ...

Skill set

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