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Ruby on Rails Backend Engineer

Onyx-Conseil
Location 📍 london, United-Kingdom
Posted 📅 May 31, 2026
Work Type ⏰ Full-time

Position Overview

Senior Ruby on Rails Engineer — Fulham (2/3 days on-site)
£60,000 - £80,000 + Private Healthcare & Benefits

This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you will play a major part in future developments.

This company is a Series A startup, breaking down barriers and making the world more accessible for everyone. Originally founded within the UK transport sector, they have developed award-winning, innovative solutions that prioritise dignity, safety, and inclusion for millions of users.

In this varied role, you will move beyond feature development to focus on the stability, performance, and observability of the core Rails ecosystem. You will act as a trusted backend partner for Product and Platform teams, stabilising third-party integrations, improving background job efficiency, and utilising architectural documentation like C4 models to ensure long-term scalability.

The i...

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Job Details

Employment Type
Full-time
📊
Category
IT & Technology
🏠
Work Arrangement
On-site
📍
Location
london, United-Kingdom