Senior Ruby on Rails Developer

Direct message the job poster from KE Technology

Director - Ruby Specialist at KE Technology

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
• Strong knowledge of SQL databases
• Understanding of performance tuning & caching strategies
• Comfortable with CI/CD, Docker, and cloud services (AWS preferred)

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.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

Staffing and Recruiting

#J-18808-Ljbffr

Full job description from WhatJobs. Apply for this role →