• Design, implement, and deliver complex, cross-cutting features and systems across Ruby on Rails, PostgreSQL, GraphQL/REST, React, and React Native. • Lead efforts to address technical debt and system reliability, proactively identifying areas for refactoring or optimization. • Influence and evolve architecture and system design, anticipating future needs and driving long-term improvements across services and applications. • Set and uphold high standards for code quality, testing coverage, and documentation — and mentor others to do the same. • Drive improvements to internal tooling, CI/CD pipelines, and monitoring systems to enhance developer experience and system resilience. • Facilitate technical discussions and decision-making, helping the team navigate trade-offs and align on best solutions. • Act as a point of escalation for complex technical challenges, supporting team members in unblocking progress. • Partner closely with product managers, designers, and engineers, shaping feature direction by identifying technical opportunities, risks, and trade-offs early in discovery.