Ruby on Rails Developer

Job title – Ruby on Rails Developer

Client Location – London, United Kingdom

Remote work offering – 80% (hybrid, 1 day per week on site in London)

Client Industry – UK Public Sector

Contract Length – 12 months (extendable up to 36 months)

Contract type – Inside IR-35

Project focus

Join a multidisciplinary agile team building and modernising citizen-facing digital services for a UK public sector organisation. You’ll develop new features on established Ruby on Rails applications, help migrate data and functionality away from legacy systems, and deliver accessible, secure services in line with the government Service Standard.

Key skills and Experience required

• 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