Senior Ruby on Rails Developer | Outside IR35 | Remote

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.