Ruby On Rails Developer | Outside IR35 | Remote

Ruby on Rails Developer | Outside IR35 | Remote

The Role

We’re looking for an experienced Ruby on Rails Developer to join a fast‑paced, product‑led environment focused on building and enhancing a highly scalable SaaS platform. The initial focus will be on a Rails upgrade across a mature codebase, followed by integration work across multiple services and platforms.

You’ll be working in a collaborative, engineering‑driven team, contributing to a platform that places strong emphasis on performance, security, and real‑world impact.

Key Responsibilities

• Lead and deliver a Ruby on Rails upgrade across an existing production system
• Identify risks, dependencies, and improvements as part of the upgrade process
• Design and build robust RESTful APIs to support internal and external integrations
• Contribute to integration work with third‑party systems and internal services
• Write clean, maintainable, and well‑tested code
• Collaborate with engineers, product teams, and stakeholders to deliver high‑quality solutions
• Support performance optimisation and scalability improvements

Essential

• Strong commercial experience with Ruby on Rails
• Proven experience upgrading Rails applications (ideally across multiple versions)
• Solid understanding of REST APIs and service‑based architectures
• Experience working on production‑grade, scalable applications
• Experience with modern development practices (CI/CD, version control, code reviews)

Desirable

• Experience with system integrations (third‑party APIs, event‑driven architectures, etc.)
• Exposure to cloud environments (AWS, GCP, or similar)
• Experience working in security‑focused or high‑availability environments
• Frontend exposure (React or similar)

The Details

• Contract: 3 months initially + 3 month extension on a new SoW.
• IR35: Outside IR35
• Rate: £500‑£550 per day
• Location: Remote

If you’re a Rails specialist who enjoys modernising systems and working on impactful platforms, this is a great opportunity to get involved in a high‑quality engineering environment.

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