Senior Full Stack Ruby/Javascript Developer

A Senior Technical Lead (Ruby on Rails) is required to join one of our clients, who are transforming the automotive space. This role provide an opportunity to step into a VP of Engineering position in a year from now.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 tooling to create meaningful product and commercial impact. Ruby & Ruby on RailsFull-Stack Engineering: JavaScript, TypeScript, React, Hotwire, StimulusNode.js & React exposure beneficialAPI Design: REST, GraphQL, external integrationsData Stores: PostgreSQL, MySQL, Redis, ElasticsearchAsync Processing: Sidekiq, ResqueCloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaCTesting & Quality: RSpec, Capybara, TDD methodologiesSecurity, performance tuning, and system hardeningAI & LLMs: API integration, prompt engineering, AI-enhanced features and developer toolingResponsibilities:Provides hands-on technical leadership to engineering teams (515 people), including mentoring, code review, and architectural direction.Partners closely with Product, Design, and Commercial teams to convert business objectives into robust technical plansDrives 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.Introduced AI-powered enhancements to improve customer journeys and internal operational efficiency.