[Prolong] Stage bras droit du CEO

Job summary
Internship(4 to 7 months)
Paris
Occasional remote
Salary: Not specified
Starting date: August 31, 2025
Education: Master's Degree
Skills & expertise
Presentation skills

Imagination Machine
Imagination Machine

Interested in this job?

Questions and answers about the job

The position

Job description

🏢 About Prolong

Prolong is entering an exciting phase: we’re transitioning from startup to scale-up. We’re experiencing strong traction and are closing in on our Product-Market Fit.

Our SaaS platform is reshaping how brand and retailers players manage the repairability, lifecycle, and circularity of their products — unlocking new models for sustainability, operational efficiency, and global scalability.

We are already trusted by leading brands such as Fusalp, Veja, The North Face, Bocage, validating both the strength of our mission and the scale of the opportunity.

We are guided by strong values:

🫶 CARE — We care for each other, our work, and every single user.

🚀 AMBITIOUS — We challenge the status quo and build globally by default.

🤝 TRUST — We own our results and lead through reliability and excellence.

🧑‍🎓 FAST LEARNERS — We move fast, learn faster, and never stop improving.

If this speaks to you — keep reading.

As Right hand to the CEO you will:

  • Participate in developing the network of customers and partners

  • Help in preparing our next fund-raising campaign (deck)

  • Create reports on various topics (finance, partnership, prospects…)

  • Help preparing investor communications and board meetings

  • Build and monitor the prospect pipeline

  • Work on our CRM to optimize and automate the sales cycle

  • Contribute to strategic thinking on marketing and write articles or posts


Preferred experience

  • Business profile (Master1/Master2)

  • Entrepreneurial, commercial and structured spirit

  • Dynamic, autonomous, curious and proactive

  • Bilingual french and english

What do we offer

  • A proximity with experimented, ambitious and a caring founding team offering a very fulfilling internship

  • A unique opportunity to contribute to the Prolong story & work in a early stage atmosphere

  • A flexible work policy (3 days per week in Paris office)


Recruitment process

  • First call with Margot, Imagination Machine team

  • An interview with Arthur, Bras droit CEO

  • An interview with Tanguy, CEO & Co-founder

  • An interview with Christina, Head of Growth

Want to know more?

These job openings might interest you!

These companies are also recruiting for the position of “Executive”.

  • CertiDeal - VC Technology

    Country Manager Poland (Stage)

    CertiDeal - VC Technology
    CertiDeal - VC Technology
    Internship
    Levallois-Perret
    A few days at home
    Environment / Sustainable Development, E-commerce
    50 employees