Senior Ruby on Rails Developer
On site
London, United Kingdom
Full Time
25-02-2025
Job Specifications
Ruby Developer - Remote (UK-based) - Up to £90K
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 £90,000 + 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: Experience with 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.
About the Company
Here at KE Technology, we have a proven track record building and improving tech teams for companies who are changing the face of the world in AI, Hedge Funds, Crypto, Blockchain, Eco-tech, Fintech, Healthcare, Software, Cyber Security, Energy, Consultancy, Media, Music, Property, logistics, Ecommerce. We’re a team of specialist recruiters that really care about the service we provide for clients and candidates alike. We provide a transparent consultative approach, with a view of making the hiring process as smooth as possi... Know more
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