Total 55,561 skills, Backend Development has 4395 skills
Showing 12 of 4395 skills
Apideck Unified API integration patterns for C# and .NET. Use when building integrations with accounting software (QuickBooks, Xero, NetSuite), CRMs (Salesforce, HubSpot, Pipedrive), HRIS platforms (Workday, BambooHR), file storage (Google Drive, Dropbox, Box), ATS systems (Greenhouse, Lever), e-commerce, or any of Apideck's 200+ connectors using .NET. Covers the ApideckUnifySdk NuGet package, authentication, CRUD operations, pagination, error handling, and Vault connection management.
JetBrains Exposed ORM patterns including DSL queries, DAO pattern, transactions, HikariCP connection pooling, Flyway migrations, and repository pattern.
Diagnose and fix excessive Postgres egress (network data transfer) in a codebase. Use when a user mentions high database bills, unexpected data transfer costs, network transfer charges, egress spikes, "why is my Neon bill so high", "database costs jumped", SELECT * optimization, query overfetching, reduce Neon costs, optimize database usage, or wants to reduce data sent from their database to their application. Also use when reviewing query patterns for cost efficiency, even if the user doesn't explicitly mention egress or data transfer.
Provides comprehensive guidance for input validation, data serialization, and ID management in backend APIs. This skill should be used when designing validation schemas, transforming request/response data, mapping database IDs to external identifiers, and ensuring type safety across API boundaries.
Appwrite PHP SDK skill. Use when building server-side PHP applications with Appwrite, including Laravel and Symfony integrations. Covers user management, database/table CRUD, file storage, and functions via API keys.
Use when you need to generate a checklist document with Java system prompts, following the embedded template exactly and producing INVENTORY-SKILLS-JAVA.md in the project root. Part of the skills-for-java project
Builds production-ready REST API endpoints with validation, error handling, authentication, and documentation. Follows best practices for security and scalability.
Integration guide for connecting backend services and MiniPay apps to payout and revenue-collection contracts on Celo. Use when building signed claim flows, funding operations, treasury sweeps, or claim monitoring.
Zig comptime skill for compile-time evaluation and metaprogramming. Use when using comptime parameters, comptime types, generics via anytype, comptime reflection with @typeInfo, or metaprogramming patterns that replace C++ templates. Activates on queries about Zig comptime, compile-time evaluation, Zig generics, anytype, @typeInfo, comptime types, or Zig metaprogramming.
Reviews axum web framework code for routing patterns, extractor usage, middleware, state management, and error handling. Use when reviewing Rust code that uses axum, tower, or hyper for HTTP services. Covers axum 0.7+ patterns including State, Path, Query, Json extractors.
Query and manage databases (SQLite, PostgreSQL, MySQL). Execute queries, explore schemas, and manage data.
[Pragmatic DDD Architecture] Guide for creating DDD Entities and Aggregates. Use when defining new domain entities with business rules, private state, and getters. Covers entity instantiation via objects, integration with Value Objects, and the rule against using setters.