Sierra

Sierra is an AI company that builds conversational AI agents for enterprise customer service. Founded by Bret Taylor and Clay Bavor, the company focuses on creating AI agents that can handle complex customer interactions, with a strong emphasis on natural language understanding and seamless integration into business workflows. Sierra has quickly gained traction in the market, backed by significant funding and partnerships with major brands, positioning itself as a leader in the enterprise AI space.

Sierra has established a presence in Madrid, Spain, as part of its European expansion. The Madrid office serves as a hub for talent in engineering, sales, and communications, reflecting the company's commitment to building a diverse, international team. For international professionals, Sierra offers an opportunity to work in a fast-growing AI startup with a global footprint, where English is likely the primary working language, but Spanish language skills are valued for customer-facing roles. The company's culture emphasizes innovation, agility, and cross-functional collaboration, making it an attractive option for those looking to contribute to cutting-edge AI technology in Europe.