Total 50,540 skills, Backend Development has 4137 skills
Showing 12 of 4137 skills
Scala resource lifecycle management with Cats Effect `Resource` and `IO`. Use when defining safe acquisition/release, composing resources (including parallel acquisition), or designing resource-safe APIs and cancellation behavior for files, streams, pools, clients, and background fibers.
Deterministic syntax for Frappe hooks.py configuration. Use when Claude needs to configure app events, scheduler tasks, document events, fixtures, boot session, jenv customization, or website routing. Covers v14/v15/v16 including extend_doctype_class. Triggers: hooks.py, doc_events, scheduler_events, fixtures, app_include_js, override_whitelisted_methods.
Expert-level aerospace systems, flight management, maintenance tracking, aviation safety, and aerospace software
Enforces FastAPI Clean Architecture with blocking validation. Use when implementing router-service-repository patterns, enforcing layer separation, or validating dependency injection in backend code.
Database and HTTP connection pooling patterns for Python async applications. Use when configuring asyncpg pools, aiohttp sessions, or optimizing connection lifecycle in high-concurrency services.
RFC 9457 Problem Details for standardized HTTP API error responses. Use when implementing problem details format, structured API errors, error registries, or migrating from RFC 7807.
Create custom crafting recipes for Hytale plugins including shaped, shapeless, processing, and blueprint recipes. Use when asked to "add crafting recipe", "create recipe", "make craftable item", "add smelting recipe", or "custom crafting".
Maintain Go repositories with high-quality standards, adhering to CI/CD, linting, and agent-friendly best practices.
Implement geofences, spatial queries, real-time tracking, and mapping features in laneweaverTMS using PostGIS and PGRouting. Use when building location-based features, distance calculations, ETA predictions, or fleet visualization.
ASP.NET Core Web API implementation: clean controllers with CQRS, global error handling, model validation, Swagger/OpenAPI, API versioning, security (CORS, auth), middleware pipeline, and performance patterns. Use when creating or editing controllers, filters, middleware, Program.cs, or API endpoints.
Data persistence patterns in Go covering raw SQL with sqlx/pgx, ORMs like Ent and GORM, connection pooling, migrations with golang-migrate, and transaction management. Use when implementing database access, designing repositories, or managing schema migrations.
Critical guardrail for Supabase database operations ensuring multi-tenant isolation with publication_id filtering, proper use of supabaseAdmin, avoiding SELECT *, error handling patterns, and secure server-side database access. Use when writing database queries, working with supabase, accessing newsletter_campaigns, articles, rss_posts, or any tenant-scoped data.