Weekday AI (YC W21) is looking for a Full Stack Developer to join their full-time team in Gurgaon, Haryana. The role centers on developing web applications with a heavy emphasis on React for frontend tasks, while also involving backend integration as part of full-stack responsibilities. You will design responsive user interfaces, work with APIs, and participate in Agile development cycles. The position requires experience with modern JavaScript, component-based architecture, and version control. As part of a Y Combinator-backed startup, you will directly contribute to AI-driven products in a fast-paced environment, collaborating with a talented team to shape technical solutions and scale applications.