> Markdown version of [/jobs/ext/3745363-ruby-on-rails-developer](https://www.wearedevelopers.com/jobs/ext/3745363-ruby-on-rails-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ruby on Rails Developer - **Company:** Darwin Recruitment - **Location:** London, UK (Remote available) - **Salary:** £90,621.0 - **Contract:** Temporary contract - **Skills:** HTML, Amazon Web Services, Microsoft Azure, Continuous Integration, PostgreSQL, Ruby on Rails, Ruby, Systems Integration, Web Content Accessibility Guidelines, Capybara, Test-Driven Development (TDD), Stylesheet Language, Rspec, Git, Kubernetes, Restful APIs, Docker - **Published:** October 15, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5927816397 ## About the Role * Strong commercial Ruby and Ruby on Rails development experience, ideally on Rails 7 or later * Test-driven development with RSpec or Minitest (Capybara for feature tests) * PostgreSQL, ActiveRecord and data modelling, including migrations from legacy data sources * Building and consuming RESTful APIs and integrations * Server-rendered front ends with HTML, CSS and JavaScript (Hotwire / Stimulus a plus) * Accessible design to WCAG 2.2 AA; GOV.UK Design System experience highly desirable * CI/CD, Git and containerised deployments (Docker, Kubernetes) on AWS or Azure * Delivery in agile, multidisciplinary teams through discovery, alpha, beta and live phases * UK public sector / government digital delivery experience strongly preferred * Must be UK based with the right to work and able to pass BPSS checks