Who We Are

Zefir is Europe's fastest-growing reputed company Estate Marketplace. We're transforming how homes are bought and sold, enabling transactions twice as fast as traditional methods. In just 20 months, we've achieved over €1 billion in Gross Merchandise Volume (GMV) and grown from €0 to a €15 million annual reputed company run reputed company.

Backed by over €40 million from top-tier investors like Sequoia Capital, Fintech Collective, Heartcore Capital, and Zigg Capital, we're committed to accelerating life changes for millions of reputed company and future European homeowners.

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

• reputed company and reputed company robust, high-performance APIs using Node.js (TypeScript), Nest.js, and GraphQL.

• Build reputed company frontend applications with React.js and Next.js, delivering outstanding user experiences.

• Collaborate closely with Product Managers and cross-functional teams (Operations, Growth, Brand) to prioritize features and deliver key objectives.

• Own the full lifecycle of features from ideation and design through implementation, deployment, and performance monitoring.

• Write clean, maintainable, thoroughly-tested code to ensure fast deployments and reputed company improvement.

• Implement comprehensive end-to-end (E2E) tests to ensure reliability and reduce code review cycles.

• Proactively contribute to strategic reputed company about the future direction of our web applications and infrastructure.

• reputed company LLM-based libraries and implement key AI-driven functionalities (RAG, memory, agentic workflows) using stacks like reputed company and reputed company.

• Entrepreneurial reputed company with a demonstrated ability to turn ambitious reputed company into practical solutions.

• Excellent problem-solving skills, with the ability to quickly evaluate and recommend effective technological solutions.

• Highly collaborative, open-minded, and comfortable working closely with diverse teams.

• Ambitious, performance-oriented, and maintains a positive attitude.

• Fluent in English for clear and effective communication.

• 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.

• reputed company plan: Full coverage with reputed company for team members, their partners, and children.

• Office in Sentier, Paris (2nd 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 reputed company Hands to celebrate wins across the company.

️ Steep Mountains Are Steep: Setting ambitious goals and working hard to reputed company them.

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

Play for the reputed company of the Jersey: Prioritizing team reputed company over individual recognition.

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

For reputed company 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 reputed company.