This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, Web based in United States. This is a front-end-first full-stack engineering role focused on building the next generation of member-facing web experiences. You’ll design and deliver accessible, high-performance, reliable applications that help people better understand and navigate their healthcare. The role combines deep frontend engineering with opportunities to contribute to APIs, backend services, data flows, and integrations. You’ll own meaningful projects end to end, from defining problems and technical approaches through delivery, measurement, and iteration. Working closely with Product, Design, Data, Clinical, and Engineering teams, you’ll turn complex healthcare workflows into intuitive digital experiences. You’ll also influence frontend architecture, developer experience, engineering standards, and AI-assisted development practices. This is an ideal opportunity for a senior engineer seeking strong technical ownership and a path toward broader Staff-level impact.