At Zefir we value transparency and simplicity. That’s why we created an easy-to-use and flexible system to calculate salaries in the company. All you have to do is fill in a few details to estimate your salary.

Who We Are

Zefir is building an AI-transaction layer for home sales in Europe, starting in France: an AI agent runs the entire sale and purchase journey end-to-end, orchestrating local brokers, portals, buyers, and documents.

Backed by over $55 million from top-tier investors like Sequoia Capital, we're committed to accelerating life changes for millions of current and future European homeowners.

Product Team

Zefir’s Product Team consists of 4 experienced product builders (with one open seat—maybe yours!) dedicated to creating AI-powered solutions across all our user experiences:

• Sellers: public website, personal dashboards.

• Buyers: AI-enhanced search, seamless visit scheduling, automated recommendations.

• Agents: specialized app for day-to-day workflow management.

• Internal Users: advanced back-office tools, dashboards, and internal systems.

Responsibilities/Mission

As a Product Designer at Zefir, you’ll shape intuitive and impactful user experiences across our entire product ecosystem. Your key responsibilities include:

• Leading end-to-end design processes: from user research and discovery, through ideation and prototyping, to delivery and iteration.

• Designing thoughtful UX and pixel-perfect UI: crafting user flows, wireframes, high-fidelity mockups, ensuring scalable and visually coherent designs ready for development.

• Measuring impact and iterating continuously: defining and tracking success metrics using tools like Hotjar, Amplitude, and NPS to continuously refine your designs based on data-driven insights.

• Collaborating cross-functionally: closely working with Product Managers, Engineers, Operations, and stakeholders, ensuring design feasibility and seamless implementation.

• Contributing to the Design System and design culture: maintaining and expanding our design system, creating reusable components, and actively participating in team rituals such as reviews and retrospectives.

• Bridging tech, business, and product strategy: balancing engineering constraints with business outcomes, making design decisions aligned with strategic company goals.

Qualification

This role is perfect for you if you:

• Think like an owner, with a sharp business mindset and a strong sense of accountability.

• Know how to balance creativity and pragmatism to ship smart, effective solutions — fast.

• Are proactive and resourceful, always pushing things forward and stepping up where it matters.

• Have a strong product intuition, guided by data and real user insights.

• Stay curious, especially about how AI and emerging tools are transforming the craft of design.

• Communicate with clarity, welcome feedback, and bring a collaborative, user-first mindset to the table.

• Are fluent in English — all meetings and team rituals are conducted in English.

Benefits

• Competitive salary: You can run your own simulation with our salary calculator.

• BSPCE (Stock Options): Available for everyone, with monthly vesting after year one, over a 4-year period.

• Healthcare plan: Full coverage with Alan for team members, their partners, and children.

• Office in Le Peletier, Paris (9th arrondissement): With flexible remote work options.

• Swile meal card: €11 per worked day.

• Swile mobility card: €42/month to support sustainable transportation (metro, carpooling, biking…).

• Team events: Monthly Mixers to connect and share good times, and quarterly All Hands to celebrate wins across the company.

Our Operating Principles

🏔️ Steep Mountains Are Steep: Setting ambitious goals and working hard to achieve them.

🌊 Ride Reality: Actively seeking challenges and thriving by adapting flexibly to changes.

🏀 Play for the Front of the Jersey: Prioritizing team success over individual recognition.

Application & Process

We welcome applications from anyone, regardless of background, gender, sexual orientation, religion, age, or experience. Our team values authenticity and diverse perspectives.

For all roles, our interview process emphasizes hands-on exercises, case studies, or discussions about specific examples of your previous work. We ensure objectives and expectations are clearly communicated at every step.

Compensation Range: €54.5K - €61K