Senior Software Engineer, Backend

Postscript, trusted by over 18,000 Shopify and Shopify Plus stores, is revolutionizing SMS marketing for e-commerce. Founded in 2018 and backed by Greylock and Y Combinator, we're a 100% remote organization with 250+ employees. As a Senior Software Engineer, Backend, you'll enhance our core platform and message orchestration systems, enabling conversational messaging for our customers. You'll work with React, Python (Flask), Go, and AWS-managed architecture, solving challenging technical problems while directly impacting our customers and bottom line. The role demands expertise in building scalable distributed systems, technical leadership, and the ability to balance technical constraints with business priorities. You'll have the opportunity to shape architecture and processes as we scale, mentor team members, and contribute to a high-growth startup environment. The position offers competitive compensation ($170K-$200K plus equity), comprehensive benefits, and the flexibility of remote work, all while being part of a mission to make SMS the number-one revenue channel for e-commerce merchants.