Senior Ruby Engineer
New
H
HulcanE-commerce
Workable locations: London, England, United Kingdom. Manchester, England, United Kingdom. Sheffield, England, United Kingdom. New York, New York, United StatesFull-TimeSenior
Salary not disclosed
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Job Details
- Experience
- 7+ years of experience; 8+ years of experience; 4+ years leading Ruby cloud stack teams
- Required Skills
- AWSDockerGraphQLPostgreSQLKafkaKubernetesRubyRuby on RailsData StructuresRESTful APIsMicroservices
Requirements
- 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.
- 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.
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.
- 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.
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