Technical Lead - Ruby

  • Run-Time Group Ltd
  • 08/06/2026
Full time Information Technology Telecommunications Java SQL Testing

Job Description

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 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

Responsibilities:
  • Provides hands-on technical leadership to engineering teams (515 people), including mentoring, code review, and architectural direction.
  • 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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