University Degree in Computer Science or related STEM field plus approximately 10+ years of experience, or Master's/PhD with less experience, or 13+ years of industry experience. Depth and diversity of experience, already operating at the Staff level, demonstrated by working in different capacities across multiple products and companies. Strong experience in designing and evolving backend systems with a pragmatic approach to scaling architecture. Proven ability to model complex business domains and translate them into scalable, maintainable system architectures. Solid working knowledge of frontend technologies—particularly React—is a significant bonus. Extensive experience and ownership in design and architecture, making impactful architectural decisions across more than one team. Experience creating and upholding technical standards, best practices, and culture-building practices across teams and organizations. Experience with Ruby on Rails is highly valued but not required; other OOP languages (Java, C#, Python, etc.) are welcome.