Remote Senior RubyOnRails Engineer

• Design and implement scalable, high-performance backend systems to power our e-commerce experience.
• Build and maintain APIs 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.
• Help define our backend architecture and make strategic technical decisions as we scale.
• Mentor junior engineers and foster a culture of technical excellence and collaboration.

We’re looking for a Senior Backend Engineer to join our growing engineering team. As an early technical hire, you’ll play a foundational role in shaping the systems that power our luxury commerce platform, from our membership model to product discovery, order management, and logistics. This is a high-impact role for someone who thrives in fast-paced, product-focused environments and wants to help build a company from the ground up., * 7+ years of experience building and scaling backend systems in production environments.

• Genuine Rubyist having written custom DSLs and/or contributed to a major Ruby gem with the deepest knowledge of how to utilize Ruby’s metaprogramming capabilities for maximal terse and DSL-centric applications.
• Experience with the specific challenges of concurrency, inventory management/reservation, currency/price management, and third party API integration system designs - push, pull, effective normalization, etc.
• High familiarity with excellent microservices software design - using software DSLs over cloud deployed solutions - across dozens of models, concerns, and integrations.
• Experience with relational databases (e.g., PostgreSQL) and familiarity with data modeling and performance optimization.
• Familiarity with cloud infrastructure (e.g., AWS) and containerization (Docker, Kubernetes).
• Experience developing and deploying GraphQL and RESTful API interfaces.
• Experience developing multi tenant systems, relating to concerns of access control, reporting, and authorization/authentication.
• Strong understanding of system design, data structures, and algorithmic principles.
• Comfortable working in high-growth, early-stage environments-bias toward action and strong product sense are key.
• A collaborative teammate who communicates clearly and is excited to shape the future of a luxury tech brand.

Bonus Points

• Prior experience in e-commerce, marketplaces, or membership-based platforms.
• Familiarity with event-driven architectures and message queues (Kafka, SQS, etc).
• Experience working closely with design or product teams in consumer-facing companies.
• Passion for fashion, luxury, or retail innovation.

MILE is the new members-only shopping destination redefining luxury commerce. We offer access to a curated, seasonless catalogue of the most sought-after products from globally renowned fashion houses-all at unmatched prices. Built at the intersection of technology and fashion, MILE delivers a seamless, elevated experience for both consumers and brands. Our mission is to become the leading digital destination for luxury-where exclusivity, value, and exceptional design converge., * Opportunity to play a key role in shaping the future of the company.

• Collaborative and innovative work environment.
• Career growth opportunities in a fast-growing organisation.

Let’s build something people talk about. Together.