Senior Ruby on Rails Developer | Outside IR35 | Remote

SR2 - Socially Responsible Recruitment • APPLICATION • Remote (London, Not Specified, United Kingdom) • £600 - £650 / day • 1d ago

Senior Ruby on Rails Engineer | Integrations | Outside IR35 | Remote
Ruby | Rails | GraphQL | API Integrations | Remote-first | Product Development

SR2 is working with one of the UK's most exciting cybersecurity scale-ups, on the hunt for a Senior Ruby Developer to help evolve their industry-leading platform.
You'll be joining a collaborative, engineering-led culture where product thinking, ownership, and clean code matter. This is a contract role, open to UK-based candidates working fully remotely or from their HQ.
The company is helping organisations worldwide tackle real-world cyber threats by empowering teams with hands-on, constantly evolving training environments - and they're scaling fast.

Skills/Experience:

Strong hands-on experience with Ruby on Rails in production SaaS platforms
Solid understanding of API integrations, including RESTful APIs, OAuth, and webhook handling
Experience working with enterprise platforms.
Confident in background job processing (Sidekiq/Resque) and asynchronous services
Familiarity with containerisation and cloud-native development (Docker, AWS, etc.)
Good understanding of secure coding practices when working with external systems
A collaborative mindset with strong communication skills for working with cross-functional teams
Bonus - any Frontend experience is desirble but not essential.

The Details:

Contract role - Outside IR35
Fully remote
6 months
1-stage interview process

If you're a Back End-focused Ruby developer who enjoys solving technical challenges through systems integration - apply now for immediate consideration.

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