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.