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# Principal Software Engineer - Ruby on Rails

- **Company:** Intellectual Capital Resources Limited
- **Location:** Cambridge, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computing Platforms, Code Review, Ruby on Rails, Ruby, Web Platforms, WebRTC, ReactJS, Production Code, Free and Open-Source Software, Microservices
- **Published:** August 11, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2918652837-2

## About the Role

This is a hybrid role, so you must live within commutable distance of Cambridge.
They are looking for a highly experienced software engineer with expertise in Ruby on Rails to take ownership of pivotal design, architecture and development work on this key platform - which is the main portal for their customers, in terms of collaboration and sales.
This is an individual contributor role for an experienced, hands-on engineer who leads through influence: setting technical direction, raising the bar through code review, and shipping production code every week alongside the rest of the team.
Key skills/experience required:
Expertise in building and operating Ruby applications in production, with a track record of leading Ruby projects from design through to production operations
Experience scaling complex web applications,
An ability to develop technical strategy, both individually and as part of a teamHighly desirable:
Experience building and operating real-time services (e.g. WebRTC, Server-Sent Events)
Experience with monoliths, microservices, and everything in between
Experience with Go or React
Involvement in open source software, whether as a maintainer or a contributor
Great opportunity to be a core member of a highly skilled team, working on key projects!

## Description

Leading technology company in the compute platform space are looking to hire a Senior/Principal Software Engineer to join their web platform team in Cambridge.


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