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Senior Ruby on Rails Developer

Company: Sur Global

Location: buenos aires, London

Posted: June 10, 2026

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Position Details

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 optimize data in a document-oriented datastore environment
  • Build and maintain HTTP APIs and third‑party integrations including webhooks, authentication, billing, and notifications
  • Diagnose and resolve production issues in collaboration with product and support
  • Improve system reliability, performance, and operational safety
  • Contribute to long‑term code health through refactoring, testing improvements, security practi...