The Senior Engineer leverages user data, analytics, and experimentation to tailor experiences that drive digital adoption, improve health outcomes, and promote member cost efficiency—taking ownership from concept through implementation, testing, and continuous optimization while keeping security, compliance, and member trust at the core of every solution. Working closely with digital marketing, analytics, architecture, and customer experience teams, this role delivers reusable, scalable front end capabilities that support consistent and personalized experiences across websites, mobile applications, email, text, and other digital channels.