Ruby on Rails Developer

Ruby on Rails Developer - London (Hybrid) | Full-Time FRESH has partnered with a fast-growing B2B SaaS company building a next-generation data platform that delivers real-time insights to support passengers requiring assistance while travelling. They are now hiring a Senior Developer to strengthen the core backend of their Passenger Assistance platform, helping scale customer onboardings faster and reduce backend bottlenecks in feature delivery. Responsibilities:

• Own technical direction and architecture decisions within the Rails application
• Design, build, and maintain scalable backend services and RESTful APIs
• Optimise background job processing using Sidekiq
• Help improve onboarding scalability and reduce backend delivery bottlenecks
• Identify technical risks early and balance trade-offs between speed, quality, and scope
• Collaborate within a cross-functional product squad
• Support and mentor engineers through technical leadership and problem-solving Key Requirements:
• Strong commercial experience with Ruby on Rails in production environments
• Solid understanding of Rails monolith architecture and full-stack troubleshooting
• Experience building and maintaining RESTful APIs
• Strong knowledge of PostgreSQL, Redis, and Sidekiq
• Comfortable working with AWS infrastructure
• Experience using Docker in development or production environments This is a fantastic opportunity to join a purpose-driven technology business making a genuine impact, while taking a meaningful step into technical leadership within a collaborative and high-growth environment.