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:

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• Own technical direction and architecture decisions within the Rails application
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• Design, build, and maintain scalable backend services and RESTful APIs
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• Optimise background job processing using Sidekiq
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• Help improve onboarding scalability and reduce backend delivery bottlenecks
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• Identify technical risks early and balance trade-offs between speed, quality, and scope
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• Collaborate within a cross-functional product squad
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• Support and mentor engineers through technical leadership and problem-solving
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Key Requirements:

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• Strong commercial experience with Ruby on Rails in production environments
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• Solid understanding of Rails monolith architecture and full-stack troubleshooting
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• Experience building and maintaining RESTful APIs
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• Strong knowledge of PostgreSQL, Redis, and Sidekiq
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• Comfortable working with AWS infrastructure
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• Experience using Docker in development or production environments
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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.