Ruby on Rails Developer | Outside IR35 | Remote
Posted Today by SR2 - Socially Responsible Recruitment
£550 Per day
Outside
Remote
London, UK
Summary: The role is for an experienced Ruby on Rails Developer to work in a fast-paced, product-led environment focused on enhancing a scalable SaaS platform. The primary responsibilities include leading a Rails upgrade and integrating multiple services. The position emphasizes collaboration within an engineering-driven team, prioritizing performance and security. This is a remote position classified as outside IR35.
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
Key Skills:
- 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)
- 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)
Salary (Rate): £550 per day
City: London
Country: UK
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: undetermined
Industry: IT
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.
