Senior Software Engineer

Coast is revolutionizing how API-first companies showcase their products to customers. As a Senior Software Engineer, you'll join a lean, high-performing team building the backbone of technical sales. The role offers direct collaboration with founders and focuses on creating intuitive, visual experiences for API demonstrations.

You'll work on both frontend and backend development, with a strong emphasis on UI/UX design. The tech stack includes React, React Native for Web, Node.js, Express, and MongoDB. The position requires expertise in React internals, CSS, and modern web technologies, along with strong design thinking skills.

Coast is trusted by industry leaders like Twilio, Plaid, FIS, and Zurich Insurance. They're backed by Y Combinator, and notable tech entrepreneurs including Arash Ferdowsi, Calvin French-Owen, and Amjad Masad. The company's mission is to transform how APIs are demonstrated and sold, making technical products more accessible to customer-facing teams.

The ideal candidate combines technical excellence with product intuition, can architect complex frontend systems, and thrives in a fast-paced startup environment. You'll be responsible for the entire user experience, from onboarding to API integrations, working in-person from their NYC office.

This role is perfect for someone who loves building products from 0-to-1, has a keen eye for design, and wants to make a significant impact in how technical products are sold and demonstrated. The position offers the opportunity to shape the future of API demonstrations while working with cutting-edge technologies.