About the job
About Us
Zefir is pioneering an AI-driven autopilot for home sales across Europe, starting with France. Our innovative AI agent manages the entire property sale and purchase process, coordinating local brokers, online platforms, buyers, and necessary documentation.
With over $55 million in funding from esteemed investors like Sequoia Capital, our mission is to empower millions of current and future homeowners in Europe to navigate life changes seamlessly.
Engineering Team
Our Engineering Team at Zefir is the heartbeat of our mission to facilitate significant life transitions. We have rapidly expanded from 9 to over 30 engineers, focusing not just on coding, but on tackling substantial challenges for our clients.
From conceptualization to deployment and beyond, our engineers own their projects to ensure that every feature creates the intended impact. By utilizing LLM-based development workflows and adopting shared best practices, we automate repetitive tasks, keeping our codebase efficient, scalable, and optimized for performance.
Key Responsibilities
- Design and implement robust, high-performing APIs utilizing Node.js (TypeScript), Nest.js, and GraphQL.
- Create user-friendly frontend applications using React.js and Next.js to deliver exceptional user experiences.
- Work collaboratively with Product Managers and cross-functional teams (Operations, Growth, Brand) to prioritize features and achieve key objectives.
- Manage the complete lifecycle of features from ideation through design, implementation, deployment, and performance monitoring.
- Produce clean, maintainable, and thoroughly tested code to facilitate rapid deployments and continuous enhancement.
- Conduct comprehensive end-to-end (E2E) tests to ensure reliability and minimize code review cycles.
- Actively contribute to strategic decisions regarding the future direction of our web applications and infrastructure.
- Utilize LLM-based libraries and integrate essential AI-driven functionalities (RAG, memory, agentic workflows) employing technologies like Pinecone and Langchain.
Qualifications
- Possess an entrepreneurial mindset with a proven ability to transform ambitious ideas into practical solutions.
- Demonstrate excellent problem-solving skills, with the capacity to quickly assess and recommend effective technological solutions.
- Exhibit strong collaboration skills, being open-minded and comfortable working closely with diverse teams.

