As a Senior Ruby on Rails Developer you will work on a production Rails application that includes customer-facing features, internal systems, and external integrations. This role owns work end-to-end, from design and implementation through testing, performance, and production readiness. Responsibilities: Design, build, and maintain features in a modern Rails codebase. Own background and asynchronous workflows including retries, idempotency, throughput, and observability. Model, query, and optim…