waypointjobs

MILE

Senior Ruby Engineer

new york, NY

Check who can apply and the requirements below before continuing.

About this opportunity

MILE lists this Senior Ruby Engineer opportunity in new york, New York. Review the employer’s description below for duties, qualifications and application requirements.

Job description

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

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

You'll design, implement and deploy reliable software to solve complex e-commerce concerns

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

What You'll Do

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

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

You'll design, implement and deploy reliable software to solve complex e-commerce concerns

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

8+ years of experience building and scaling backend systems in production environments

4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect

You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing, send, and all variable types

Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc

Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs

Ruby without Rails - you are able to develop complex applications and deploy Rails features vs custom Ruby plugins for the right use cases

Proficiency in building APIs and distributed services using Ruby

Must know the full ins/outs of Rails AREL, performant code, and proper Sidekiq job handling

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

Expert experience with PostgreSQL, including complex joins and reporting queries, and familiarity with data modeling and performance optimization

Familiarity with cloud infrastructure (e.g., AWS, ECS, CodeBuild) and containerization (Docker,)

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

Requirements

What You'll Do

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

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

Benefits

Why Join MILE

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.

#J-18808-Ljbffr

Worksite address

new york, NY, 10261, US

Who can apply

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