• Own feature development: Take ownership of features end-to-end — from technical design through delivery — breaking complex projects into well-scoped, deliverable pieces. • Write high-quality code: Produce Ruby code that is idiomatic, performant, well-tested, and raises the bar for the codebase. • Contribute to architecture: Participate in team-level architectural decisions around data modeling, service boundaries, API design, and background processing patterns. • Improve quality proactively: Identify opportunities to improve code quality, performance, reliability, and developer experience — and act on them. • Guide junior engineers: Provide technical guidance to Software Engineers I and II through thorough code reviews, pairing sessions, and design feedback. • Collaborate cross-functionally: Work with Product, Design, and QA to validate technical decisions and ensure alignment between product goals and implementation. • Participate in on-call rotation: Take increasing ownership of incident response, contributing to root cause analysis and systemic improvements. • Build team knowledge: Document technical decisions, data models, and service patterns to strengthen your team’s shared understanding.