> Markdown version of [/jobs/ext/3907110-ruby-on-rails-lead](https://www.wearedevelopers.com/jobs/ext/3907110-ruby-on-rails-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ruby On Rails - Lead - **Company:** dentsu - **Location:** UK - **Experience:** Expert - **Salary:** £55,825.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Adobe InDesign, Agile Methodology, Amazon Web Services, Cascading Style Sheets (CSS), Cloud Computing, Code Review, Databases, Web Development, Revision Control Systems, MySQL, Software Maintenance, Query Optimization, Ruby on Rails, Redis, Ruby, Software Engineering, SQL Databases, Web Applications, Real Time Systems, Spring-boot - **Published:** October 25, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5210489587 ## About the Role * 2+ years in developing scalable solutions in Ruby, Rails, and SQL (MySQL) * Competent with Version Control tools * 2+ years of Software Engineering experience * Enterprise class web application experience * Experience and comfort working within an iterative Agile project management process * Experience in automated software testing, real-time system integration, database programming, web programming, and cloud technologies (AWS preferred) * Java/Spring Boot, Redis, AWS experience would be a plus * Front End skills to include CSS, JavaScript, UGS also a plus ## Description * Problem solve through the careful application of technology and process * Write high quality, tested, high-capacity and maintainable software * Design modern, reliable and reusable systems * Decompose complex problems into manageable tasks * Write technical specifications, run-time instructions, training materials and architecture documentation for Merkle P&LS systems * Help develop best practices, technology efficiencies, and streamline workflow * Design data models and write efficient queries in MySQL * Collaborate in design and code reviews * Maintain loyalty platforms and contribute to new features and custom client specifications * Collaborate with wider Merkle Promotions and Loyalty teams to arrive at sound technical solutions to business problems * Interact with internal clients to develop business and technical specification materials