Staff Ruby Engineer

Own your future

Our culture isn't something people join; it's something they build and shape. We believe that every person deserves to be heard and empowered. If you're on the fence about whether you're a fit, we say go for it. Let’s build something great together.

Responsibilities

• Define and lead technical strategy, architecture, and modernization initiatives for the Composer platform.
• Drive decoupling and migration efforts from legacy application dependencies while maintaining platform stability.
• Improve platform reliability, scalability, observability, and operational resilience.
• Establish engineering standards related to instrumentation, monitoring, alerting, and system performance.
• Lead architecture review practices and collaborate with cross-functional engineering teams on technical decisions.
• Support distributed systems and containerized application environments.
• Provide technical mentorship and guidance through code reviews, design feedback, and engineering best practices.
• Utilize AI-assisted development tools to support codebase navigation, modernization, and platform evolution.

Must Have

• 10+ years in software engineering, with recent work as a Staff, Principal or Lead individual contributor on a large production platform.
• Strong Ruby on Rails on large, long-lived codebases (5+ years).
• Led a modernization, migration or decoupling of a production system (monolith decomposition, removing legacy dependencies, data migration).
• Distributed systems, cloud infrastructure and resiliency patterns (timeouts, retries, idempotency).
• Containerized production applications (Docker, Kubernetes).
• Observability: instrumentation, monitoring, alerting and performance standards.
• Daily use of Claude Code or similar AI coding tools to navigate and refactor a codebase.
• Upper-intermediate or above English (B2+), able to lead architecture discussions with the client.
 

Nice to Have

• JRuby or polyglot environments.
• MongoDB or shared-database architectures.
• Modernizing legacy web platforms or CMS products.
• Codebases built from several acquisitions.
• Cloudflare Workers or other edge computing.
• EdTech, SaaS or multi-tenant platforms.

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