AI Prototyper: Turn Ideas into Real Prototypes Fast

Prosus; Amsterdam; On-site; EUR 40,000 - 60,000; Full time

Job summary

Prosus in Amsterdam is seeking a junior AI product builder eager to ship real AI-enabled software. You will turn ambiguous ideas into working prototypes, learning quickly what resonates with users and stakeholders.

You’ll prove concepts with scrappy, hands-on demos and collaborate with cross-functional teams to move ideas into tangible products. The role targets early-career builders who thrive on experimentation, rapid iteration, and ownership.

Qualifications

• 0–4 years of experience, fluent building with AI coding tools, you ship working software with AI in the loop.
• A track record of shipping fast and solo: personal projects, hackathon builds, or things you made just to see if you could.
• Strong communication, you can explain what you built, why, and what you learned to both engineers and non-technical stakeholders.
• A genuine, demonstrated passion for AI, with opinions formed by actually building, not just reading the headlines.

Responsibilities

• Own ambiguous, unproven concepts and hack them into working prototypes fast enough to learn whether they deserve to exist.
• Turn ideas into working demos before most people have finished scoping the problem; build rough, real implementations.
• Collaborate with product, design and engineering to validate AI ideas and scale promising prototypes.
• Ship AI-enabled software and contribute to the development of reusable components and tooling.

Skills

AI coding tools

Fast shipping solo

Strong communication

AI passion

Tools

Claude Code

Codex

Cursor

Job description

Prosus in Amsterdam is seeking a junior AI product builder eager to ship real AI-enabled software. You will turn ambiguous ideas into working prototypes, learning quickly what resonates with users and stakeholders.

You’ll prove concepts with scrappy, hands-on demos and collaborate with cross-functional teams to move ideas into tangible products. The role targets early-career builders who thrive on experimentation, rapid iteration, and ownership.