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About

Nathan Hallouin, creator at heart

I love solving complex problems and turning ideas into real products. From my apprenticeship to freelancing, I have aimed to ship complete products, from the first screen to production.

CreativeRigorousSelf-drivenCurious
Nathan as a child in front of a computer
Since the beginning

Mon parcours

My Journey

From university to independent developer

~2005
Education

First steps with a computer

Discovering computers at school with the B2I certification, first programs with Scratch then Visual Basic. The seed was planted.

2015
Education

Where code meets science

University studies in acoustics, mechanics and electronics. Inspired by passionate professors like Nicolas Labroche, Jean-Yves Antoine and Bruno Jacob, code became a tool for solving real-world problems.

2020
Education

The switch to web development

Career change and intensive training at OpenClassrooms. Mentored by Steeve Lefort, who taught me the rigor and best practices of the craft.

2022
Work

First startup experience - Quanted Square

Diving into the startup world alongside Julien Leray and Fabien Ungerer. Learning product pace, autonomy and real-world technical decision-making.

2024
Education

Software design and React specialization

Bachelor's degree in Software Design and Development: application architectures, design patterns, and front-end specialization in React / Next.js.

2025
Work

Growing expertise

Launched my freelance business and started Physio Xpert, a rehabilitation SaaS delivered solo and now running in production. Mentored by Jérémie Pereira on front-end architecture.

Credentials

Certifications

Always learning. Here are the credentials I’ve earned along the way.

Mes valeurs

Why choose me

Concrete commitments, on a project as much as within a team.

Code

Quality Code

Clean, tested, and documented code that you can easily evolve. I commit to long-term maintainability.

Tests

Guaranteed Reliability

Automated tests, CI/CD, and monitoring. Your application will be stable and you'll have peace of mind.

Performance

Optimal Performance

Close attention to Core Web Vitals and loading time. Your users will have a smooth and fast experience.

Communication

Clear Communication

A single, available, and transparent point of contact. You'll always know where your project stands.

ShieldMy Guarantees
  • Detailed quote within 48h, no commitment
  • Guaranteed response within 24h on weekdays
  • Documented and transferable source code
  • 30 days of post-delivery support included

A project or a role in mind? Let's talk!

Get in touch to discuss a freelance project or a permanent (CDI) opportunity, and see how I can help.