stayai - Senior Backend Engineer

• This is a high-impact role focused on execution, strong engineering craftsmanship, and collaboration — while also providing opportunities to influence architecture and technical direction. • In a typical day, you might: • Redesign the webhook processing architecture to support 10x growth. • Architect a new abstraction layer that decouples internal subscription models from Shopify order primitives. • Lead a technical deep-dive on Shopify GraphQL bulk operations and performance tradeoffs. • Write an RFC defining the next generation of Stay’s integration framework. • Review critical infrastructure PRs and guide engineers on distributed systems design. • Implement new APIs and services to unlock the next generation of subscription management and analytics features for merchants. • Design and develop internal tooling when you see opportunities to better enable yourself and other engineers. • Collaborate with your teammates on Eng, Design and Product Management to plan and execute on new projects. • 4+ years of experience developing large-scale, resilient services with well-defined APIs that interact with synchronous and asynchronous data processing pipelines. • Experience with Nest.js and Kubernetes and supporting highly available and reliable cloud based services. • Experience defining API schemas and working with REST APIs to communicate with the server • Experience with AWS (Kubernetes, SQS, Postgres, RDS), including the application of security best practices. • Experience working with the Shopify platform and APIs, especially around subscription or recurring payments. • Experience leveraging AI tools to improve productivity and quality. • Ability to thrive in a dynamic startup environment, demonstrating adaptability, curiosity, and a willingness to take initiative. • A deep passion for crafting delightful experiences and learning new skills. • Excellent problem solving skills and the ability to effectively communicate complex concepts across cross-functional teams. • Experience working with Snowflake and dbt on high-volume data pipelines. • Prior experience mentoring or leading engineers. • Fullstack React experience. While this is a backend role, understanding how the frontend works is always a plus.