Senior/Staff Ruby Developer

Senior/Staff Ruby on Rails Developer – Remote (UK-Based) – Up to £110K

Are you an experienced Ruby on Rails developer who thrives in fast-moving, engineering-led environments? We’re working on large-scale, high-traffic systems and looking for someone who can architect, optimise, and scale backend infrastructure – while writing clean, maintainable code.

You’ll join a product-focused team that values best practices, autonomy, and thoughtful design. The platform is evolving quickly to meet growing demand, and there’s real opportunity to shape technical decisions and contribute beyond the code.

What We Offer:

• Up to £110,000 + shares
• Fully remote within the UK (London HQ)
• A high-ownership role in a small, senior engineering team
• Large-scale traffic and data challenges with meaningful impact
• Modern stack: Ruby on Rails, React, PostgreSQL, Redis, AWS, Docker, Kubernetes

Key Responsibilities:

• Architecting and optimising scalable backend systems in Ruby on Rails
• Designing and maintaining clean, efficient APIs and integrations
• Improving performance and database efficiency at scale
• Contributing to long-term technical decisions and platform direction
• Collaborating closely with product, DevOps, and other engineers

What We’re Looking For:

• 6+ years of Ruby on Rails experience in production
• Strong grasp of system architecture, performance, and scalability
• Experienced in designing & maintaining APIs
• Comfortable with CI/CD, Docker, and cloud services (AWS preferred)
• Comfortable owning features end-to-end and contributing to direction
• Bonus: Kubernetes, Terraform, React

Why Join?

You’ll work on meaningful engineering challenges in a modern Ruby environment – with the scale and complexity to keep things interesting, and the autonomy to help shape how they’re solved. If you're someone who enjoys going deep into systems, improving performance, and writing elegant code at scale, we’d love to hear from you.