• Architect and design platform systems and services for enterprise-scale SaaS software, with an emphasis on scalability, resilience, and long-term maintainability. • Assess existing architectural patterns and system designs across the HappyCo software suite, identifying opportunities to reduce technical debt and simplify complexity. • Define and document target architectures, guiding principles, and standards that enable teams to build faster and more consistently. • Develop architectural proposals, technical plans, and RFCs, and guide them through internal review and decision-making processes. • Lead Technical Design Reviews for Staff Engineers and Tech Leads, ensuring alignment with documented patterns and platform direction. • Drive platform modernization initiatives, including the deprecation of legacy systems in a way that minimizes risk and customer impact. • Provide hands-on technical leadership by contributing POCs, reference implementations, and other artifacts that accelerate shared understanding and adoption. • Enable and support external software teams by providing clear documentation, repeatable processes, and timely, decisive architectural guidance. • Act as a trusted technical advisor to PDE leadership, promoting and evangelizing architectural direction and best practices across the organization.