Senior Ruby on Rails Backend Engineer | Hybrid | London

Gravitas Recruitment Group (Global) Ltd; Greater London; Hybrid; GBP 90,000 - 100,000; Full time

Benefits offered by this job

30 days leave

Learning budget £1k

Private medical insurance

Pension match 6%

MacBook Pro

Flexible hybrid

Job summary

Gravitas Recruitment Group (Global) Ltd is seeking a Senior Backend Engineer in London. This hands-on IC role focuses on owning complex backend problems, shaping technical direction and elevating the engineering team while staying close to the code.

You will work with Ruby on Rails at the core, scale Rails apps, design robust APIs, and collaborate with Product to maximise customer impact. Hybrid work includes 1 day in the office and 4 days remote.

Qualifications

• Strong commercial experience building production systems with Ruby on Rails.
• Experience designing and scaling APIs and backend services.
• Strong testing practices and knowledge of RSpec.
• Understanding of architecture, scalability and maintainable software design.
• Experience taking meaningful technical ownership and collaborating with Product.

Responsibilities

• Build and scale production Ruby on Rails applications.
• Evolve and improve an established Rails codebase.
• Design and maintain robust internal and external APIs.
• Work with PostgreSQL including data modelling and performance tuning.
• Utilise Sidekiq for background processing and improve testing standards.
• Make pragmatic architectural decisions for long-term maintainability.
• Collaborate with Product to understand customer impact and own problems end-to-end.
• Pair, mentor and share knowledge across the engineering team.

Skills

Ruby on Rails

PostgreSQL

API design

RSpec

Testing practices

Ownership

Mentoring

Collaboration

Tools

React

Next.js

TypeScript

Redis

AWS

Job description

Gravitas Recruitment Group (Global) Ltd is seeking a Senior Backend Engineer in London. This hands-on IC role focuses on owning complex backend problems, shaping technical direction and elevating the engineering team while staying close to the code.

You will work with Ruby on Rails at the core, scale Rails apps, design robust APIs, and collaborate with Product to maximise customer impact. Hybrid work includes 1 day in the office and 4 days remote.