Sierra

Sierra is an AI company that builds conversational AI agents for enterprise customer service and business operations. 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 reliability and business outcomes. Sierra operates at the intersection of AI research and practical enterprise deployment, serving major clients across various industries.

Sierra has established a presence in Spain, with open roles in Madrid and Barcelona, reflecting its expansion into the European market. The company's work culture is fast-paced and innovation-driven, typical of a leading AI startup. For international professionals, Sierra offers the opportunity to work on cutting-edge AI technology in a growing European hub, with roles spanning sales, engineering, and strategy, often requiring Spanish language skills for local market engagement.