• Drive, review, and own the software architecture for our core platform • Collaborate closely with engineering leads, product owners, and infrastructure teams • Design, evolve, and enforce architectural standards and patterns • Lead cross-cutting initiatives; mentor other engineers • Define, evolve, and own the architectural vision and roadmaps • Perform architecture reviews, assess proposals from teams, and vet designs • Lead or contribute hands-on to critical subsystems • Provide thought leadership: prototype proofs-of-concept • Collaborate with infrastructure, operations, SRE, security, and DevOps • Help define and lead architecture governance • Diagnose and resolve technical debt or architectural “smells”