Remote Senior Ruby on Rails Engineer

Salary: £65,000 - 105,000 per year

Requirements

• We have 7+ years of experience building and scaling backend systems in production environments.
• We are a strong Rubyist, with experience writing custom DSLs and/or contributing to a major Ruby gem.
• We have deep knowledge of Ruby metaprogramming and how to use it for terse, DSL-centric applications.
• We understand the technical challenges of concurrency, inventory management and reservation, currency and price management, and third-party API integrations.
• We have strong experience with microservices software design and software DSLs across multiple models, concerns, and integrations.
• We have experience with relational databases such as PostgreSQL, including data modeling and performance optimization.
• We are familiar with cloud infrastructure such as AWS and containerization technologies including Docker and Kubernetes.
• We have experience developing and deploying GraphQL and RESTful APIs.
• We have experience building multi-tenant systems, including access control, reporting, and authentication/authorization concerns.
• We have a strong understanding of system design, data structures, and algorithmic principles.
• We are comfortable working in high-growth, early-stage environments and have a bias toward action.
• We are collaborative communicators who are excited to help shape a luxury tech brand.
• Bonus: prior experience in e-commerce, marketplaces, or membership-based platforms.
• Bonus: familiarity with event-driven architectures and message queues such as Kafka or SQS.
• Bonus: experience working closely with design or product teams in consumer-facing companies.
• Bonus: passion for fashion, luxury, or retail innovation.

Responsibilities

• We design and implement scalable, high-performance backend systems to power our e-commerce experience.
• We build and maintain APIs that support our frontend, mobile, and third-party integrations.
• We architect systems for membership access, catalog management, checkout, order fulfillment, and payments.
• We collaborate cross-functionally with product, design, and data teams to deliver features that improve the user experience.
• We own backend services end to end, from design to deployment and monitoring.
• We contribute to best practices in code quality, testing, reliability, and observability.
• We help define our backend architecture and make strategic technical decisions as we scale.
• We mentor junior engineers and foster a culture of technical excellence and collaboration.

Technologies

• API
• AWS
• Architect
• Backend
• Cloud
• Docker
• Frontend
• GraphQL
• Support
• Kafka
• Kubernetes
• Mobile
• PostgreSQL
• Ruby
• microservices

More

We are MILE, a new members-only shopping destination redefining luxury commerce. We offer access to a curated, seasonless catalogue of sought-after products from globally renowned fashion houses at unmatched prices. Built at the intersection of technology and fashion, we deliver a seamless, elevated experience for consumers and brands, with a mission to become the leading digital destination for luxury. This is an early technical hire role on our growing engineering team, offering the opportunity to help build the company from the ground up, play a foundational role in our platform, and grow within a collaborative, innovative, fast-growing organisation.

last updated 27 week of 2026