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Bastien CrosBC

Bastien Cros

Freelance Web Developer - React / Next.js / Node

€350/day
Alès, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Bastien

I help companies designreliable backend architecturesanddevelop their modern web platforms(Node.js, React, Next.js).

With several years of experience in **embedded and industrial development**, I bring a rigorous approach to creating **backend and frontend solutions**, from prototype to production.

I participate inthe design and evolution of backend architectures(REST APIs, Node.js, TypeScript), as well as **the development of web features**: frontend integration and React/Next.js interfaces.



**I work on projects such as**:
  • development of new web features;
  • creation or evolution of APIs;
  • technical refactoring and performance improvement
My approach combines the rigor from the embedded world with the flexibility of modern web development. I enjoy contributing to projects where reliability, performance, and software quality are key concerns.

Available for backend, fullstack, or software R&D missions.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Alès (up to 50km), Montpellier (up to 10km), Nîmes (up to 15km)

Experience

  • LibreSoi
    Revamp of a showcase website
    HEALTH AND WELLNESS
    September 2025 - January 2026 (4 months)
    Alès, France
    Complete overhaul of a showcase website to a custom Next.js solution
    • Needs analysis & creation of a graphic charter
    • Integration of third-party services (System.io, Cal.com) to automate business processes
    • Mobile & desktop UX optimization
    • Deployment configuration on Vercel
    Website link: https://www.libresoi.com/
    Next.js UnoCSS React.js Fullstack Web Development
  • Continental Automotive
    Embedded Linux Engineer
    AUTOMOBILE
    December 2020 - September 2023 (2 years and 9 months)
    Toulouse, France
    As part of a mission for Continental, I am participating in the development of a 5G Modem. I am joining a team of over 200 people, spread across the world. During this mission, I participated in the following steps:
    - Embedded Linux and AUTOSAR Development
    - Responsibility for the development of inter-core communication modules
    - Study and implementation of software architecture
    - Interface with the Linux Kernel team
    - Bug analysis and correction, Technical Environment Support:
    - Embedded Linux and AUTOSAR
    - C Language
    - D-BUS
    - CI (Jenkins, Gerrit, Repo)
    - Agile Methodology
    Software Architecture Embedded Linux Agile Methodology Performance Improvement
  • VIVERIS
    Development of an Over-The-Air Reprogramming Solution (Embedded Linux)
    AUTOMOBILE
    September 2020 - December 2020 (3 months)
    Toulouse, France
    As part of a mission for Continental, I participated in the development of an Over-The-Air reprogramming solution. During this mission, I participated in the following steps:
    - C++ integration and development,
    - Support and training for a team in Germany
    - Bug analysis and correction (memory leaks) Technical Environment:
    - Embedded Linux, Docker
    - Network
    - Electronic certificate management, Botan library
    - C++, C Language
    - CI (Github, Jenkins)
    Embedded Linux Information Security C/C++

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Education

  • Engineering School - Microelectronics and Automation
    Polytech'Montpellier
    2016
    Ecole d'ingénieur - Microélectronique et Automatisme

Skill set

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