Total 44,072 skills, Backend Development has 3826 skills
Showing 12 of 3826 skills
Express.js Node.js web framework for REST APIs and middleware. Use for Node.js backends.
Ruby programming with blocks, metaprogramming, gems, and Rails conventions. Use for .rb files.
Build resilient systems that degrade gracefully under failure. Implement fallbacks, feature flags, and partial responses when dependencies fail.
V simple systems programming language. Use for .v files.
Production-grade secure file upload pipeline with multi-stage validation, malware scanning (ClamAV), hash-based duplicate detection, and race condition protection using distributed locks.
Implement CEP-8 payments in ContextVM using the @contextvm/sdk payments middleware. Use when building paid servers/clients, configuring priced capabilities, integrating payment processors/handlers, or troubleshooting payment notification flows.
Generate Chi HTTP handlers following GO modular architechture conventions (request/response DTOs, use case orchestration, error handling, swagger annotations, Fx DI). Use when creating HTTP endpoint handlers in internal/modules/<module>/http/chi/handler/ for REST operations (List, Create, Update, Delete, Get) that need to decode requests, call use cases, map responses, and handle errors with proper logging and tracing.
Best Practices for Database and Table Name Specification Validation and Automatic Correction. Applicable to scenarios like "Does the database comply with specifications?", "table name specifications", "check table names", "optimize table names", "database naming", "check this file", "Is the table name compliant?"
Implements real-time WebSocket communication using SignalR for action notifications and register events. Use when: Adding real-time notifications, creating hub endpoints, broadcasting to groups, or testing WebSocket communication.
Expert-level Flask web development, REST APIs, extensions, and production deployment
This skill should be used when the user asks to "send a payment", "check balance", "list transactions", "create a quote", "manage customers", "create external account", "what currencies does Grid support", "how do I use the Grid API", "send money to [country]", "pay [UMA address]", "send to CLABE", "send to PIX", "send to IBAN", "send to UPI", "fund sandbox account", "test a payment", "on-ramp", "off-ramp", "convert crypto to fiat", "convert fiat to crypto", "look up UMA", "real-time quote", "JIT funding", or any payment operations using the Grid API CLI.
Consistent Nova resources—fields, actions, metrics, lenses, filters, authorization—and how to evolve resources alongside schema changes