Principal Backend Developer

About Happy Health Happy Health is revolutionizing sleep medicine delivery through our comprehensive telehealth platform. We've eliminated the traditional barriers to sleep care – no more waiting months for appointments or spending uncomfortable nights in sleep labs. Our patients receive FDA-cleared home sleep testing via Happy Ring, connect with board-certified sleep specialists, and when required, begin evidence-based treatment within just 5 days. Ongoing physiological data monitoring with the Happy Ring enables real-time condition management, combination therapies, and drives measurable outcomes.  Happy Ring represents the future of sleep diagnostics: an FDA-cleared medical device integrating advanced biometric sensors with AI-powered analysis to deliver highly accurate diagnostics and longitudinal management at home. For sleep medicine physicians, this means you'll have access to high-quality diagnostic data that empowers you to make confident clinical decisions for your patients, and integrate multimodal treatments that focus on root-cause solutions.  Overview This position on the software team has direct ownership of and responsibility for the architecture, scalability, reliability, security, and long-term evolution of our backend infrastructure. As part of the software team behind the Happy Health product, you will help ensure that the integrated services and systems instrumental to the customer-facing experience (e.g. CRM, EHR, eComm, 3PL, etc.) are designed and operated to scale reliably. You will also help lead the design and implementation of internal tools used by technical and non-technical leaders and teams across the company. In addition to a primary role in hands-on engineering, this role will provide technical leadership across backend architecture, integration strategy, engineering standards, and platform decision-making. Happy Health is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.