Ruby on Rails Developer
London
England
Contract
Software Development
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
If this role is of interest, please apply with an updated CV.
Darwin Recruitment is acting as an Employment Business in relation to this vacancy.

Sheikh Salem

Sheikh Salem
Senior Recruitment Consultant
Submit Your CV
Similar Jobs
1
Contract
Senior Typescript EngineerTechnology
Software Development
Senior TypeScript Engineers Remote – Europe | Contract | Initial 2 Months I’m supporting a client looking for two Senior TypeScript Engineers to join See more…
to £1/day
Remote
Estonia
1
Contract
Typescript Engineers (DRWN)Technology
Software Development
Hello {!Contact.FirstName} We’re currently looking to hire a Freelance Senior TypeScript Backend Engineer for a 3-month contract, likely to extend. I’ve included the information See more…
to €60/year
Bucharest
Romania
1
Contract
Typescript Engineers (DRWN)Technology
Software Development
Hello {!Contact.FirstName} We’re currently looking to hire a Freelance Senior TypeScript Backend Engineer for a 3-month contract, likely to extend. I’ve included the information See more…
to €60/year
Vienna
Austria