Senior Ruby on Rails Backend Engineer — AWS, AI — Remote

Cef; United Kingdom; On-site; GBP 70,000 - 110,000; Full time

Job summary

City Electrical Factors (CEF) is seeking a Senior Back End Engineer to help reimagine our e-commerce platform. You will contribute within an Agile Digital team, driving the evolution of a scalable, reliable service-based architecture and supporting modern cloud integrations.

The role requires enterprise-scale Ruby on Rails experience, strong database skills with MySQL, and familiarity with RSpec. You will collaborate across IT teams to deliver high-quality, scalable solutions for our growth.

Qualifications

• Proven experience in enterprise-scale Ruby on Rails development.
• Hands-on experience with relational databases such as MySQL.
• Familiarity with testing frameworks like RSpec.
• Strong understanding of software architecture, scalability, and Agile development methodologies.
• Excellent problem-solving skills and the ability to collaborate effectively in a team environment.

Responsibilities

• Lead and support the development of new features and improvements for the enterprise-scale e-commerce website.
• Assist in transitioning to a modern Service-Based Architecture to enhance performance and scalability.
• Ensure high-quality code delivery by implementing best practices, including testing and CI/CD processes.
• Collaborate with cross-functional IT teams to shape and deliver IT initiatives.

Skills

Ruby on Rails

Relational databases

RSpec

Agile development

Service-Based Architecture

Tools

Ruby on Rails

MySQL

RSpec

Job description

City Electrical Factors (CEF) is seeking a Senior Back End Engineer to help reimagine our e-commerce platform. You will contribute within an Agile Digital team, driving the evolution of a scalable, reliable service-based architecture and supporting modern cloud integrations.

The role requires enterprise-scale Ruby on Rails experience, strong database skills with MySQL, and familiarity with RSpec. You will collaborate across IT teams to deliver high-quality, scalable solutions for our growth.