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At Bay Materials, we develop the next generation of polymer technologies behind ClearCorrect, one of the world's leading clear aligner brands. We're looking for a Senior R&D Engineer to help bridge innovative material development with scalable manufacturing processes. This is a highly hands‑on role for someone who enjoys solving complex engineering challenges around polymer processing, melt behavior, extrusion, and material performance. Working closely with scientists, manufacturing teams, and external partners, you'll play a key role in developing and commercializing advanced materials for dental and orthodontic applications.