Wellhub (formerly Gympass) is a leading corporate wellness platform headquartered in NYC, operating across 11 countries. We're seeking a Senior Full Stack Software Engineer to join our Partners Experience (PEX) team in Brazil. This role is crucial in developing and maintaining our marketplace's supplier side, focusing on improving partner experience and satisfaction. You'll work with modern technologies like React, Kotlin, and various backend languages, building scalable solutions that impact millions of users. The position offers a flexible work environment, comprehensive benefits, and the opportunity to contribute to a mission-driven company that's transforming corporate wellness. You'll be part of a global team that values work-life balance, professional growth, and technical excellence. The role combines technical expertise with business impact, requiring both strong engineering skills and an understanding of partner needs. We offer competitive benefits, including wellness programs, flexible work arrangements, generous PTO, and parental leave.