Senior Ruby on Rails Developer

Ruby Developer - Remote (UK-based) - Up to £85K

Are you a Senior Ruby on Rails Developer looking to work on scalable, high-traffic applications in a modern, engineering-led environment? We’re growing rapidly and need engineers who can build, optimise, and scale backend systems while maintaining clean, maintainable code.

Join a team that values best practices, automation, and performance, working on a platform that’s continuously evolving to meet increasing demand.

What We Offer:

  • Up to £85,000 + stock options
  • Flexible remote working (UK based) with a London HQ
  • Work on high-scale backend systems that process large volumes of data
  • Modern tech stack: Ruby on Rails, PostgreSQL, Redis, Sidekiq, AWS, Docker, Kubernetes
  • Opportunity to influence technical decisions & contribute to architectural improvements

Key Responsibilities:

  • Developing & optimising scalable backend systems in Ruby on Rails
  • Designing, building, and maintaining APIs & integrations
  • Improving performance & database efficiency for high-scale applications
  • Enhancing existing systems for better performance, scalability, and maintainability
  • Working closely with DevOps & product teams to ensure reliability & resilience

What We’re Looking For:

  • 4+ years experience with Ruby on Rails
  • Experience designing & maintaining APIs
  • Strong knowledge of SQL databases
  • Understanding of performance tuning & caching strategies
  • Comfortable with CI/CD, Docker, and cloud services (AWS preferred)
  • Bonus: Kubernetes, Terraform, React

Why Join Us? This is an opportunity to work on meaningful engineering challenges - scaling, optimising, and improving a growing platform. If you enjoy solving technical problems, improving performance, and working in a modern Ruby environment, we’d love to hear from you.

Company
KE Technology
Location
London, UK
Hybrid / WFH Options
Posted
Company
KE Technology
Location
London, UK
Hybrid / WFH Options
Posted