Build and deploy data portals with PortalJS — scaffold a portal from a brief, add datasets and resources, create charts and interactive maps, connect a CKAN backend, harvest datasets from open-data platforms, define schemas, deploy to Cloudflare static hosting, and audit data quality.

Manage Treasure Studio workspaces: create and track documents, build interactive React dashboards with Recharts and Tailwind CSS, define grid dashboard and action report YAML schemas, create and validate scheduled tasks, perform web research, and build agentic Python workflows with Graflow.

Builds, calibrates, and analyzes tax-benefit policy microsimulations for the US, UK, and Canada using PolicyEngine — from survey data imputation and weight calibration to household-level calculations, population impact analysis, and interactive dashboard deployment.

Audit and improve visual design of websites, UIs, and documents against 11 research-backed principles including layout, typography, color, hierarchy, whitespace, and accessibility — with WCAG 2.2 AA checks, VisAWI scoring, and actionable fix suggestions.