Blockchain Developer Internship

Backend / Frontend (UX/UI) Developer Internship – 2 months (unpaid) Web3 Music Startup – Mostro

About Mostro

Mostro is an innovative startup at the intersection of music and Web3. We are developing a platform for artists and fans, integrating tokens, rewards and gamification.

We are looking for motivated interns to join our technical team and contribute to the development of our application.

What We Offer

• Hands-on experience in developing a real product within a startup context.
• The opportunity to contribute to a project launching in beta.
• A creative, agile, and high-energy environment.

Responsibilities

• Participate in the frontend (UX/UI) and backend development of our Web3 application.
• Collaborate with the team to complete tasks and build out the application.
• Contribute to the implementation of innovative features related to tokenization.
• Provide ideas and solutions in a fast-evolving startup environment.

Candidate Profile

• Student or recent graduate in Computer Science, Web Development, or equivalent.
• Knowledge of JavaScript, React, Node.js, and APIs.
• Knowledge of Solidity and experience with smart contracts are preferred.
• Interest in Web3, blockchain, and cryptocurrencies.
• Team player, autonomous, creative, and eager to learn.

Internship Details

• Duration: 2 months, minimum 20 hours/week
• Type: Unpaid internship
• Location: Remote (startup based in Paris)
• Start Date: As soon as possible (May - June 2026)