Design and implement scalable, high-performance backend systems to power our e-commerce experience.
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Build and maintain interfaces that support our frontend, mobile, and third-party integrations.
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Be very experienced working with pull, push models for data parity between third parties and our systems around e-commerce concerns of product, stock, orders and fulfillment synchronization.
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You’ll design, implement and deploy reliable software to solve complex e-commerce concerns.
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Architect systems for membership access, catalog management, checkout, order fulfillment, and payments.
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Collaborate cross-functionally with product, design, and data teams to deliver features that elevate the user experience.
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Own backend services end-to-end, from design to deployment and monitoring.
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Contribute to best practices in code quality, testing, reliability, and observability.
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Help define our backend architecture and make strategic technical decisions as we scale.
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Mentor junior engineers and foster a culture of technical excellence and collaboration.
Who You Are
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8+ years of experience building and scaling backend systems in production environments.
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4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect.
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You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing, send, and all variable types.
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Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc.
Nice to have
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Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs.
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Ruby without Rails - you are able to develop complex applications and deploy Rails features vs custom Ruby plugins for the right use cases.
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Proficiency in building APIs and distributed services using Ruby.
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Must know the full ins/outs of Rails AREL, performant code, and proper Sidekiq job handling.
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Have expert knowledge of proper data model design for e-commerce concerns and understand how to handle locking sensitive resources such as a credit card charge and concepts such as state machines.
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Expert experience with PostgreSQL, including complex joins and reporting queries, and familiarity with data modeling and performance optimization.
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Familiarity with cloud infrastructure (e.g., AWS, ECS, CodeBuild) and containerization (Docker,).
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Strong understanding of system design, data structures, and algorithmic principles.
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Comfortable working in high-growth, early-stage environments—bias toward action and strong product sense are key.
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A collaborative teammate who communicates clearly and is excited to shape the future of a luxury tech brand.
Bonus Points
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Prior experience in e-commerce, marketplaces, or membership-based platforms.
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Familiarity with event-driven architectures and message queues (Kafka, SQS, etc).
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Experience working closely with design or product teams in consumer-facing companies.
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Passion for fashion, luxury, or retail innovation.
Requirements
What You’ll Do
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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.
Who You Are
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7+ years of experience building and scaling backend systems in production environments.
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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.
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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.
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High familiarity with excellent microservices software design - using software DSLs over cloud deployed solutions - across dozens of models, concerns, and integrations.
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Experience with relational databases (e.g., PostgreSQL) and familiarity with data modeling and performance optimization.
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Familiarity with cloud infrastructure (e.g., AWS) and containerization (Docker, Kubernetes).
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Experience developing and deploying GraphQL and RESTful API interfaces.
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Experience developing multi tenant systems, relating to concerns of access control, reporting, and authorization/authentication.
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Strong understanding of system design, data structures, and algorithmic principles.
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Comfortable working in high-growth, early-stage environments—bias toward action and strong product sense are key.
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A collaborative teammate who communicates clearly and is excited to shape the future of a luxury tech brand.
Bonus Points
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Prior experience in e-commerce, marketplaces, or membership-based platforms.
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Familiarity with event-driven architectures and message queues (Kafka, SQS, etc).
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Experience working closely with design or product teams in consumer-facing companies.
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Passion for fashion, luxury, or retail innovation.
Benefits
Why Join MILE
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Opportunity to play a key role in shaping the future of the company.
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Collaborative and innovative work environment.
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Career growth opportunities in a fast-growing organisation.
Let’s build something people talk about. Together.