• Own the design and implementation of major features or subsystems from concept through production. • Break down ambiguous requirements into clear technical designs with well-understood tradeoffs. • Write high-quality production code across backend and frontend systems using Node.js, TypeScript, Nest.js, and React.js. • Design and evolve PostgreSQL schemas with strong attention to indexing, performance, and data integrity. • Optimize slow queries and resolve systemic performance bottlenecks. • Build and maintain event-driven workflows using Kafka and Redis. • Deploy, monitor, and debug containerized services in Kubernetes environments. • Identify and address technical debt within owned systems and lead pragmatic refactors. • Lead by example in code reviews, coaching others on clean architecture, testing strategy, and maintainable design. • Handle production incidents methodically and improve systems to reduce recurrence. • Mentor associate and intermediate engineers through pairing, design reviews, and structured feedback. • Communicate complex technical tradeoffs clearly across engineering, product, and leadership.