AI Product Builder

Cozycozy is the only platform that gives you real-time access to all available holiday accommodations. Whether you're searching for a hotel, apartment, hostel, villa, or even a treehouse, our service features over 20 million listings from over 100 booking sites. You will find popular options like Airbnb, Booking.com, Abritel/VRBO and hotels.com, as well as plenty of specialised marketplaces to explore, such as Agriturismo, Gîtes de France, Onefinestay, Belvilla, Sonder, Travelski, and many others.Experiencing rapid growth, we are now present in over 50 countries in 20 languages, with offices in Paris and Budapest.

About The Role We are looking for an experienced AI Product Builder to help us design, launch, and scale AI-powered travel experiences. You will be responsible for transforming AI capabilities into real user value. We are looking for someone who has already built and launched AI products powered by LLMs and can bridge product thinking, conversational UX, prompt engineering, evaluation, and technical implementation.

You will work closely with Product, Design, Data, and Engineering teams to define and deliver AI features that improve user experience and business performance.

Responsibilities Product Strategy & Discovery

• Identify high-impact AI opportunities across the traveler journey
• Define use cases, hypotheses, and success metrics
• Prioritize AI initiatives based on user value and business impact
• Translate business problems into AI-powered product solutions

Conversational & AI Experience Design

• Design conversational flows and user journeys
• Define prompting strategies and system behaviors
• Improve recommendation quality and user satisfaction
• Collaborate with Product Designers to create intuitive AI experiences

LLM Development & Optimization

• Build and iterate prompts
• Define evaluation frameworks and testing methodologies
• Analyze model outputs and continuously improve quality
• Experiment with different models, architectures, and approaches

Delivery & Execution

• Partner with engineers to implement solutions
• Define analytics and monitoring strategies
• Measure impact through experimentation and A/B testing
• Ensure scalability, reliability, and cost efficiency

About You Must-Have

• 5+ years in Product Management, AI Product Management, Applied AI, or related roles
• Proven experience launching AI products powered by LLMs in production
• Strong understanding of modern LLM ecosystems (OpenAI, Anthropic, Gemini, Mistral, etc.)
• Experience with prompt engineering and evaluation frameworks
• Ability to define success metrics and measure AI quality
• Strong analytical and experimentation mindset
• Excellent communication and stakeholder management skills
• Fluent in English

Nice-to-Have

• Experience in Travel, Marketplace, Search, Recommendation Systems, or Consumer Products
• Familiarity with RAG, embeddings, vector databases, and agent architectures
• Basic coding skills (Python, SQL, JavaScript)
• Experience working in fast-growing startups or scale-ups

Why join Cozycozy? 🚀 You’ll operate in a key role in the development of a fast-growing travel-tech startup.

🌍 You will work closely with founders and fellow engineers in impact-led small teams.

💡We encourage initiative, creativity, and ownership. The systems you build will power millions of searches

used by real travelers.

☕ Enjoy our office in Paris with unlimited coffee, tea, snacks, and drinks.

💶 Competitive salary, stock options, Alan health insurance, and Swile card.

Our hiring process

• Pre-screening interview (virtual)
• 1:1 interview with our Hiring Manager (on-site)
• 1:1 interview with our CEO (on-site)
• Case study to present your recommendations to the CEO and our stakeholders.
• Meet the team onsite !

What’s Next? Once we receive your application, we will thoroughly review your CV and cover letter and will return back to you with an update as soon as possible. We invite you to get to know more about us by visiting www.cozycozy.com and follow us on LinkedIn , Instagram, Tiktok and Facebook !