Waltz Health is looking for a skilled Sr. Full Stack Engineer to drive the architecture, development, and delivery of web, back-end, data, and cloud applications across the marketplace platform. This role will work closely with technology, product management, architecture, and business leaders to define requirements, maintain a continuous roadmap, and deliver scalable healthcare technology solutions. The ideal candidate brings strong hands-on engineering experience, curiosity, and a start-up mindset, with the ability to lead application development, mentor engineers, and support production applications through L2 issue resolution.