Total 50,472 skills, Backend Development has 4134 skills
Showing 12 of 4134 skills
Performs root cause analysis on DAG execution failures. Traces failure propagation, identifies systemic issues, and generates actionable remediation guidance. Activate on 'failure analysis', 'root cause', 'why did it fail', 'debug failure', 'error investigation'. NOT for execution tracing (use dag-execution-tracer) or performance issues (use dag-performance-profiler).
Multi-layer caching with type-specific TTLs, get-or-generate pattern, memory and database layers, and graceful invalidation without cache stampede.
SQL development best practices for writing efficient, secure, and maintainable database queries
Expert in background job processing with Bull/BullMQ (Redis), Celery, and cloud queues. Implements retries, scheduling, priority queues, and worker management. Use for async task processing, email campaigns, report generation, batch operations. Activate on "background job", "async task", "queue", "worker", "BullMQ", "Celery". NOT for real-time WebSocket communication, synchronous API calls, or simple setTimeout operations.
Generate Go cache implementations following GO modular architechture conventions. Use when creating cache layers in internal/modules/<module>/cache/ - user state caching, session caching, rate limiting data, temporary data storage, or any domain cache that uses Redis for fast data access with TTL support.
Guide for authoring Apollo Federation subgraph schemas. Use this skill when: (1) creating new subgraph schemas for a federated supergraph, (2) defining or modifying entities with @key, (3) sharing types/fields across subgraphs with @shareable, (4) working with federation directives (@external, @requires, @provides, @override, @inaccessible), (5) troubleshooting composition errors, (6) any task involving federation schema design patterns.
**CONFIGURATION GUIDE** — Assist with Syncfusion ASP.NET Core EJ2 components setup, localization, and version compatibility. Use when: installing Syncfusion packages, configuring globalization/localization, selecting compatible versions.
Implement Syncfusion ASP.NET Core Diagram component (EJ2 Tag Helper `ejs-diagram`) for building interactive diagrams in Razor Pages or MVC applications. Use this skill when working with org charts, flowcharts, BPMN process diagrams, UML diagrams, or swimlane charts. This skill covers node and connector configuration, layout options, shape styling, data binding, drawing tools, export/print functionality, and other diagram features.
Send personalised marketing emails to subscribers with an unsubscribe link.
Support for sending service/transactional emails. Don't use this for sending marketing emails or verification emails.
Set up Convex authentication with proper user management, identity mapping, and access control patterns. Use when implementing auth flows.
Test-driven development for Laravel with PHPUnit and Pest, factories, database testing, fakes, and coverage targets.