Technical Lead - Ruby

Runtime Group Ltd

Reading, UK

1 day ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Working hours

Regular working hours

Job source

www.collegerecruiter.com

Tech stack

Artificial Intelligence Code Review Programming Tools Performance Tuning Ruby on Rails Ruby Systems Architecture Systems Integration Web Platforms Capybara Test-Driven Development (TDD) ReactJS

+6 more

Rspec Large Language Models Prompt Engineering Graphql Api Design Legacy Systems

Job description

Provides hands-on technical leadership to engineering teams (5-15 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.

Requirements

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 for an experienced Technical Lead join a fast-paced environment, using the latest tech in Ruby on Rails and AI tools (LLMs), and to step into a VP of Engineering position in a year from now.

You will have deep 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 technologies, including LLMs and AI-driven tooling, to create meaningful product and commercial impact.

If you have experience being a hands on Technical lead, working closely with team sizes from 5-15 (onshore / offshore) and bringing offshoring inhouse, this could be an exciting opportunity for you.

Key requirements:

Ruby & Ruby on Rails
Node.js & React exposure beneficial
API Design: REST, GraphQL, external integrations
Testing & Quality: RSpec, Capybara, TDD methodologies
Security, performance tuning, and system hardening
AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling