Senior Ruby Architect — Scale Luxury E-commerce Backend

MILE; Greater London; On-site; GBP 110,000 - 140,000; Full time

Benefits offered by this job

Career growth opportunities

Collaborative environment

Shaping the future of MILE

Job summary

MILE is looking for an experienced backend engineer to design and scale our e-commerce platform. You will own backend services end-to-end, craft APIs for frontend, mobile, and partners, and guide architectural decisions as we scale in a luxury tech environment.

You will mentor engineers, improve code quality, and collaborate with product and data teams to deliver reliable, high-performance systems across catalogs, checkout, orders, and payments.

Qualifications

• 8+ years building and scaling backend systems in production
• 4+ years leading Ruby cloud stack teams as Principal Engineer/Architect
• Expert in Ruby idiomatic patterns and metaprogramming
• PostgreSQL expertise with complex queries and data modeling

Responsibilities

• Design and implement scalable, high-performance backend systems to power our e-commerce experience
• Build and maintain interfaces that support our frontend, mobile, and third-party integrations
• Architect systems for membership access, catalog management, checkout, order fulfillment, and payments
• Collaborate cross-functionally with product, design, and data teams to deliver features that elevate the user experience
• Own backend services end-to-end, from design to deployment and monitoring
• Contribute to best practices in code quality, testing, reliability, and observability
• Mentor junior engineers and foster a culture of technical excellence and collaboration

Skills

Ruby

Rails

PostgreSQL

AWS

Docker

Kubernetes

GraphQL

REST APIs

Metaprogramming

DSLs

Microservices

Data modeling

Tools

Docker

Kubernetes

GraphQL

Job description

MILE is looking for an experienced backend engineer to design and scale our e-commerce platform. You will own backend services end-to-end, craft APIs for frontend, mobile, and partners, and guide architectural decisions as we scale in a luxury tech environment.

You will mentor engineers, improve code quality, and collaborate with product and data teams to deliver reliable, high-performance systems across catalogs, checkout, orders, and payments.