You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Antoine J.AJ

Antoine J.

CTO - Technical Director

€1,000/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Antoine

CTO with +20 years of experience, expert in SaaS platform design and scalability, AI, Cloud, and mobile. Strong experience in structuring international R&D teams of +30 people, agile transformation, and strategic Product-Tech management. Recognized leadership in e-health, HRIS, and urban mobility.
  • English

    Native or bilingual

  • Italian

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • NEOBRAIN
    CTO / Technical Director, Board Member
    HUMAN RESOURCES
    December 2024 - December 2025 (1 year)
    Paris, France
    Technical overhaul of the Neobrain HRIS solution in SaaS (Vue.js, PHP/Symfony, MySQL, Scaleway, OVH Cloud, Azure) and career management AI services, supporting growth (+50%).
    Reduced IT costs by 30% through FinOps approach and Cloud rationalization.
    Implemented Scrum, 2-week iterations, +20% velocity, and improved quality.
    Recruited and managed a team of 20 developers (France, Portugal, nearshore), fostering skill development and talent retention.
    SaaS Solution Development Technology Strategy Roadmap
  • Citygo
    CTO / Technical Director, Board Member
    SOFTWARE PUBLISHING
    January 2021 - November 2024 (3 years and 10 months)
    Issy-les-Moulineaux, France
    Technical overhaul of the Citygo mobile and backend application (iOS/Swift and Android/Kotlin in clean architecture, PHP/Magento/Laravel, MySQL, AWS), reducing bugs by 30% and serving over a million users.
    Improved velocity by +25% by industrializing Tech processes and Agility.
    Recruited and managed a team of 30 developers (France, India).
    Agility Technology Strategy Team Management
  • PeopleSpheres
    CTO / Technical Director, Board Member
    HUMAN RESOURCES
    January 2020 - January 2021 (1 year)
    Paris, France
    Development of the PeopleSpheres HRIS portal in SaaS (React.js/React.native, PHP/Laravel, PostgreSQL).
    Industrialized Tech processes: implemented Scrum/Kanban, reducing delivery time between 2 major versions by 80%.
    Structured and managed a team of 25 engineers (Paris, Montpellier, India, Russia).
    Technology Strategy Team Management SaaS Solution Development Roadmap

Recommendations

Be the first to recommend Antoine

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • École 42
    École 42
  • Scrum Master
    Scrum.org
    Scrum Master

Skill set

Categories