Total 30,511 skills, Backend Development has 2994 skills
Showing 12 of 2994 skills
Use structured logging with Pino throughout your application. Covers log levels, context, and workflow-safe logging patterns.
Create and run durable workflows with steps, streaming, and agent execution. Covers starting, resuming, and persisting workflow results.
BK-CI 项目设计模式实践指南，涵盖工厂模式、策略模式、观察者模式、装饰器模式、模板方法等在项目中的实际应用。当用户学习设计模式、重构代码、设计可扩展架构或理解项目设计时使用。
Add a complete account settings page with profile editing, password changes, email updates, session management, and account deletion.
Expert FastAPI developer specializing in production-ready async REST APIs with Pydantic v2, SQLAlchemy 2.0, OAuth2/JWT authentication, and comprehensive security. Deep expertise in dependency injection, background tasks, async database operations, input validation, and OWASP security best practices. Use when building high-performance Python web APIs, implementing authentication systems, or securing API endpoints.
Add user authentication using Better Auth with Drizzle ORM and Neon Postgres. Base setup with email/password authentication.
Database schema design, indexing, and migration guidance for MongoDB-based applications.
Efficiently add Malli schemas to API endpoints in the Metabase codebase with proper patterns, validation timing, and error handling
Expert GraphQL developer specializing in type-safe API development, schema design, resolver optimization, and federation architecture. Use when building GraphQL APIs, implementing Apollo Server, optimizing query performance, or designing federated microservices.
Python 3.13+ development specialist covering FastAPI, Django, async patterns, data science, testing with pytest, and modern Python features. Use when developing Python APIs, web applications, data pipelines, or writing tests.
Use this skill for general PostgreSQL table design. **Trigger when user asks to:** - Design PostgreSQL tables, schemas, or data models when creating new tables and when modifying existing ones. - Choose data types, constraints, or indexes for PostgreSQL - Create user tables, order tables, reference tables, or JSONB schemas - Understand PostgreSQL best practices for normalization, constraints, or indexing - Design update-heavy, upsert-heavy, or OLTP-style tables **Keywords:** PostgreSQL schema, table design, data types, PRIMARY KEY, FOREIGN KEY, indexes, B-tree, GIN, JSONB, constraints, normalization, identity columns, partitioning, row-level security Comprehensive reference covering data types, indexing strategies, constraints, JSONB patterns, partitioning, and PostgreSQL-specific best practices.
Kysely type-safe SQL query builder - End-to-end type safety from schema to queries, migrations, transactions, plugins