Total 52,049 skills, Backend Development has 4220 skills
Showing 12 of 4220 skills
Creates and integrates new FRAME pallets into the Moonbeam runtime. Use when adding on-chain functionality, implementing Substrate-native features, creating new storage and extrinsics, or extending runtime capabilities.
Microsoft SQL Server specific features. Covers data types, indexes, partitioning, and SQL Server-specific syntax. Use for SQL Server database work. USE WHEN: user mentions "sql server", "mssql", "IDENTITY", "GETDATE()", "temporal tables", "columnstore", "SQL Server specifics", "Azure SQL" DO NOT USE FOR: T-SQL programming - use `tsql` instead, PostgreSQL - use `postgresql` instead, Oracle - use `oracle` instead
This skill should be used when the user asks to "create application", "scoped application", "custom app", "application scope", "x_" prefix, "app scope", "application properties", "cross-scope", or any ServiceNow scoped application development.
Expert guidance on manipulating TYPO3 records via the DataHandler, ensuring transactional safety, PSR-14 event handling, and reference index integrity. Use when working with database, datahandler, tcemain, records, content, pages.
Expert in financial technology systems, double-entry ledger design, high-precision math, and regulatory compliance. Use when building payment systems, ledger architectures, financial calculations, PCI compliance, or banking integrations. Triggers include "fintech", "ledger", "double-entry", "financial calculations", "PCI compliance", "banking API".
GCC compiler skill for C/C++ projects. Use when selecting optimization levels, warning flags, debug builds, LTO, sanitizer instrumentation, or diagnosing compilation errors with GCC. Covers flag selection for debug vs release, ABI concerns, preprocessor macros, profile-guided optimization, and integration with build systems. Activates on queries about gcc flags, compilation errors, performance tuning, warning suppression, or cross-standard compilation.
Patterns for Atlas database schema management covering HCL/SQL schema definitions, versioned and declarative migrations, linting analyzers, testing, and project configuration. Use when working with atlas.hcl, .hcl schema files, Atlas CLI commands, or database migrations.
Patterns for reliable external service integration: env validation, health checks, error handling, observability. Invoke when integrating Stripe, Clerk, Sendgrid, or any external API.
This skill should be used when working with the Nostr protocol, implementing Nostr clients or relays, handling Nostr events, or discussing Nostr Implementation Possibilities (NIPs). Provides comprehensive knowledge of Nostr's decentralized protocol, event structure, cryptographic operations, and all standard NIPs.
Expert guide for building APIs with the Elysia framework, including routing, validation, plugins, error handling, and type-safe handlers. Use when building APIs with Elysia framework, defining routes, plugins, or type-safe handlers.
Use when you need to apply data-oriented programming best practices in Java — including separating code (behavior) from data structures using records, designing immutable data with pure transformation functions, keeping data flat and denormalized with ID-based references, starting with generic data structures converting to specific types when needed, ensuring data integrity through pure validation functions, and creating flexible generic data access layers. Part of the skills-for-java project
Use when symfony symfony cache