Total 44,228 skills, Backend Development has 3831 skills
Showing 12 of 3831 skills
Scaffold an aggregate root with entity, value objects, repository interface, domain events, and test stubs
Create a new sequentially numbered database migration with up/down SQL files
AWS SDK for Python (boto3/botocore) development patterns. You MUST use this skill when writing Python code that uses AWS services via boto3 or botocore. This includes creating service clients or resources, configuring sessions and credentials, handling errors with ClientError, using paginators and waiters, S3 file transfers and presigned URLs, DynamoDB table operations, and any boto3/botocore client configuration. Use this skill whenever Python code imports boto3 or botocore, or when the user asks about AWS operations in Python.
AWS SDK for JavaScript v3 development patterns. Use when writing JavaScript or TypeScript code that uses AWS services via @aws-sdk/* packages (aws-sdk-js-v3), or when asked about schemas, runtime validation, serialization, or code generation in the context of the JS/TS AWS SDK.
AWS SDK for Swift development patterns. Use when writing Swift code that uses AWS services via aws-sdk-swift package.
Official Rails documentation. Use when asked about any Rails-specific topic including ActiveRecord, routing, controllers, views, mailers, jobs, Action Cable, Action Text, Active Storage, migrations, validations, callbacks, associations, caching, security, or internals.
Tiger Brokers OpenAPI Java SDK — complete skills for AI coding tools. Covers SDK setup, market data queries, stock/futures/options trading, real-time push subscriptions, account management, and strategy examples. Use when building Java trading applications, querying market data, placing orders, or integrating Tiger Brokers API. 老虎证券 OpenAPI Java SDK 完整技能集。涵盖 SDK 配置、行情查询、股票/期货/期权交易、实时推送订阅、账户管理、策略示例。适用于构建 Java 交易应用、查询行情数据、下单交易、或集成老虎 API。 用户提到以下关键词时自动使用 / Auto-activate on these keywords: 行情、报价、价格、K线、快照、买卖盘、深度、买入、卖出、下单、撤单、改单、交易、持仓、资金、账户、订单、委托、期权、期权链、到期日、期货、推送、订阅、选股、筛选、tigeropen、tiger API、Java SDK、quote、price、K-line、order、buy、sell、trade、position、asset、account、option、future、push、scanner
Use when securing ASP.NET Core Web API endpoints with JWT Bearer token validation, scope/permission checks, or stateless auth - integrates Auth0.AspNetCore.Authentication.Api for REST APIs receiving access tokens from frontends or mobile apps. Also handles DPoP proof-of-possession token binding. Triggers on: AddAuth0ApiAuthentication, .NET Web API auth, JWT validation, UseAuthentication, UseAuthorization.
High-performance Quarkus framework expertise covering reactive patterns, CDI, build-time augmentation, and cloud-native development. Use for general Quarkus questions.
Choosing CLI output format. AOT vs framework-dependent, RID matrix, single-file, dotnet tool.
Set up a local webhook server to receive Nansen smart alerts in real-time with HMAC signature verification and public tunneling. Use when a user wants to listen for alerts on their local machine.
Optimizing .NET allocations/throughput. Span, ArrayPool, ref struct, sealed, stackalloc.