A Senior Engineer (Ruby on Rails) is required to join one of our clients, who are transforming the automotive space.

You will havedeep expertise in architecting, developing, and scaling full-stack web platforms, particularly within the Ruby on Rails ecosystem. Experienced in guiding cross-disciplinary engineering teams and embedding modern engineering practices that enable reliable, high-velocity delivery. Adept at introducing and operationalising emerging technologiesincluding LLMs and AI-driven toolingto create meaningful product and commercial impact. Brings a decisive, action-oriented approach and a strong ability to align technical direction with business strategy in fast-moving, product-centric environments.

Key requirements:

• Ruby & Ruby on Rails
• Full-Stack Engineering: JavaScript, TypeScript, React, Hotwire, Stimulus
• Node.js & React exposure beneficial
• API Design: REST, GraphQL, external integrations
• Data Stores: PostgreSQL, MySQL, Redis, Elasticsearch
• Async Processing: Sidekiq, Resque
• Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC
• Testing & Quality: RSpec, Capybara, TDD methodologies
• Security, performance tuning, and system hardening
• AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling

• Owns end-to-end system architecture, ensuring solutions are scalable, maintainable, and delivered at pace.
• Partners closely with Product, Design, and Commercial teams to convert business objectives into robust technical plans
• Drives engineering excellence through best practices, continuous improvement, and sustainable delivery processes.
• Led the build-out and ongoing evolution of high-traffic Ruby on Rails platforms supporting significant commercial throughput.
• Modernised legacy systems while ensuring uninterrupted business operations.
• Introduced AI-powered enhancements to improve customer journeys and internal operational efficiency.
• Collaborated with stakeholders across pricing, quoting, and customer lifecycle domains to deliver impactful product improvements.

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