Senior Software Engineer

Zefir is building an AI autopilot for home sales in Europe, backed by Sequoia Capital. Their engineering team is seeking a Senior Software Engineer to take full ownership of features with LLM-based development workflows.

• 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 with Product Managers and cross-functional teams to prioritize features and deliver key objectives
• Own the full lifecycle of features from ideation through implementation, deployment, and monitoring
• Write clean, maintainable, thoroughly-tested code for 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 future direction of web applications and infrastructure
• Leverage LLM-based libraries and implement AI-driven functionalities using stacks like Pinecone and Langchain

• Entrepreneurial mindset with ability to turn ambitious ideas into practical solutions
• Excellent problem-solving skills to evaluate and recommend effective technological solutions
• Highly collaborative, open-minded, and comfortable working closely with diverse teams
• Ambitious, performance-oriented, with a positive attitude
• Fluent in English for clear and effective communication

• Competitive salary with a salary calculator simulation
• BSPCE (Stock Options) 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
• Team events: Monthly Mixers and quarterly All Hands