Who We Are
Zefir is Europe's fastest-growing AI Real Estate Marketplace. We're transforming how homes are bought and sold, enabling transactions twice as fast as traditional methods. In just 2 years, we've achieved over β¬1 billion in Gross Merchandise Volume (GMV).
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Backed by over β¬50 million from top-tier investors like Sequoia Capital, we're committed to accelerating life changes for millions of current and future European homeowners.
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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 donβt just write codeβwe solve meaningful problems for our customers.
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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.
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Responsibilities/Mission
- Develop and deploy robust, high-performance APIs using Node.js (TypeScript), Nest.js, and GraphQL.
- Build intuitive 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 continuous improvement.
- Implement comprehensive end-to-end (E2E) tests to ensure reliability and reduce code review cycles.
- Proactively contribute to strategic decisions about the future direction of our web applications and infrastructure.
- Leverage LLM-based libraries and implement key AI-driven functionalities (RAG, memory, agentic workflows) using stacks like Pinecone and Langchain.
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Qualification
- Entrepreneurial mindset with a demonstrated ability to turn ambitious ideas 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.
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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 Sentier, Paris (2nd arrondissement): With flexible remote work options.
- Swile meal card: β¬11 per worked day.
- Swile mobility card: β¬42/month to support sustainable transportation (metro, carpooling, bikingβ¦).
- Team events: Monthly Mixers to connect and share good times, and quarterly All Hands to celebrate wins across the company.
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Our Operating Principles
ποΈ Steep Mountains Are Steep: Setting ambitious goals and working hard to achieve them.
π Ride Reality: Actively seeking challenges and thriving by adapting flexibly to changes.
π Play for the Front of the Jersey: Prioritizing team success over individual recognition.
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