Calibrate is revolutionizing weight treatment with a value-based model in obesity care. As a Senior Software Engineer, you'll build scalable solutions using Python, PostgreSQL, and AWS. You'll lead by example, mentor team members, and collaborate across the organization. Key responsibilities include developing and maintaining software, partnering with product and design teams, and participating in on-call duties. You'll need 5+ years of experience, expertise in scalable systems, and proficiency in modern web concepts. Join us in our mission to improve metabolic health and drive sustainable weight loss in a $600bn market. We offer competitive salary, equity opportunities, comprehensive benefits, and a remote-first culture focused on real results and personal growth.