• Design and implement complex and critical backend systems such as payment processing and authentication systems in the core Wag backend application • Design cross-platform and cross-team system architecture • Design and implement efficient build and deployment pipelines, containerization (Docker, Gitlab CI/CD), and developer tooling to improve productivity • Incorporate AI powered solutions to support platform quality and developer productivity • Define and maintain the platform roadmap, balancing reliability, developer productivity, technical debt, and cost • Design the bug detection and triage tooling and procedures • Contribute infrastructure as code using Terraform • Design and drive incident response procedures including observability and on-call tooling • Serve as a trusted technical owner for key backend systems • Mentor engineers on infrastructure and platform best practices • Ensure Security & Compliance in platform design in partnership with Security Manager • Own the data engineering and analytics platform design • Participate in on-call incident response for key systems KPIs