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# Ruby on Rails Software Engineer

- **Company:** Run-time Group Ltd
- **Location:** Mitcham, United Kingdom
- **Salary:** £124,800 - £145,600
- **Contract:** Temporary contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Model View Controller (MVC), Ruby on Rails, Ruby, Large Language Models, Prompt Engineering, Software Application Programming, Api Design, Legacy Systems
- **Published:** November 14, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5964532742

## About the Role

* Experienced Ruby on Rails engineer
 * Solid knowledge of Ruby and Ruby on Rails, including API development and the MVC pattern
 * Experience with large language models, AI APIs, prompt engineering, and building AI-driven features and tools

## Description

* Create and launch production features using large language models
 * Modernize legacy systems while maintaining day-to-day operations
 * Build applications and integrate AI features using Ruby and Ruby on Rails

Technologies:

 * AI
 * API
 * MVC
 * Rails
 * Ruby