Who We Are

Zefir is building an AI autopilot 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 €60 million from top-tier investors Sequoia Capital and Kima Ventures, we're committed to accelerating life changes for millions of current and future European homeowners.

Engineering Team

At Zefir, our Engineering Team is the driving force behind our mission to accelerate life changes. Growing rapidly from 9 to 30+ engineers, we don’t just write code—we solve meaningful problems for our customers.

From ideation to launch and beyond, engineers at Zefir take full ownership of their work, ensuring that every feature delivers the expected impact. We leverage LLM-based development workflows and shared best practices to automate repetitive tasks, allowing us to keep our codebase lean, scalable, and built for speed.

Responsibilities/Mission

Hire and grow a team by refining hiring processes and closing top talent.
Build and lead a high-performing engineering team.
Set the vision and align engineering with business goals.
Make technical decisions and support complex implementations.
Scale the product to support a growing customer base.
Coach engineers to develop their skills and advance their careers.
Move fast and drive execution in a high-impact environment.

Qualification

8+ years in engineering, including 1+ years of management experience.
A proven experience building delightful products full stack from frontend, APIs, backend with architectural complexities.
A passion for mentoring and helping engineers grow in their careers.
A product-focused mindset, caring deeply about customer impact.
Strong communication and collaboration skills, working effectively with stakeholders.
The ability to thrive in fast-paced, ambiguous environments and drive change.

Benefits

The following is for permanent employees only. For other contracts (interns, apprentices, fixed-term..), please, check with your recruiter.

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: €45/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.