Skill search for "data".

Build interactive data visualisations with D3.js: bar charts, line charts, scatter plots, geographic maps, force-directed graphs. Use when the user wants custom, code-driven charts beyond Chart.js.

Run a thorough technical SEO audit on a website: meta titles, descriptions, canonicals, sitemap, structured data, internal linking, Core Web Vitals. Use when the user wants to improve organic traffic.

Design schemas, write performant queries, debug query plans, manage migrations, and operate PostgreSQL safely. Use when the user is working with a Postgres database.

Clean, reshape and analyse CSV files at speed. Use when the user pastes or attaches a CSV and wants to filter, pivot, join, or compute over it.

Manipulate large JSON files with jq, Python and surgical patches. Use when the user needs to slice, restructure or merge JSON.