Senior Ruby on Rails Developer

KE Technology; Greater London; Remote; GBP 70,000 - 85,000; Full time

Job summary

Ein innovatives Unternehmen sucht einen erfahrenen Ruby on Rails Entwickler, der bereit ist, an skalierbaren Backend-Systemen zu arbeiten. In dieser spannenden Rolle werden Sie die Möglichkeit haben, an bedeutenden technischen Herausforderungen zu arbeiten, während Sie eine moderne Technologie-Umgebung genießen. Sie werden eng mit DevOps- und Produktteams zusammenarbeiten, um die Zuverlässigkeit und Leistung der Systeme zu gewährleisten. Wenn Sie eine Leidenschaft für die Verbesserung von Systemen und die Lösung technischer Probleme haben, freuen wir uns darauf, von Ihnen zu hören.

Benefits

Flexible remote working

Stock options

Work on high-scale backend systems

Qualifications

• 4+ Jahre Erfahrung mit Ruby on Rails und Backend-Systemen.
• Starke Kenntnisse in der Optimierung von Datenbankeffizienz.

Responsibilities

• Entwicklung und Optimierung skalierbarer Backend-Systeme in Ruby on Rails.
• Design und Wartung von APIs und Integrationen.

Skills

Ruby on Rails

SQL databases

Performance tuning

Caching strategies

CI/CD

Docker

AWS

Tools

PostgreSQL

Redis

Sidekiq

Kubernetes

Job description

1 week ago Be among the first 25 applicants

This range is provided by KE Technology. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

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

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Staffing and Recruiting

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