Total 30,497 skills, Backend Development has 2993 skills
Showing 12 of 2993 skills
Designs software architecture and selects appropriate patterns for projects. Use when designing systems, choosing architecture patterns, structuring projects, making technical decisions, or when asked about microservices, monoliths, or architectural approaches.
Production-grade backend service development across Node.js (Express/Fastify/NestJS/Hono), Bun, Python (FastAPI), Go, and Rust (Axum), with PostgreSQL and common ORMs (Prisma/Drizzle/SQLAlchemy/GORM/SeaORM). Use for REST/GraphQL/tRPC APIs, auth (OIDC/OAuth), caching, background jobs, observability (OpenTelemetry), testing, deployment readiness, and zero-trust defaults.
Guide for Convex performance optimization including denormalization, index design, avoiding N+1 queries, OCC (Optimistic Concurrency Control), and handling hot spots. Use when optimizing query performance, designing data models, handling high-contention writes, or troubleshooting OCC errors. Activates for performance issues, index optimization, denormalization patterns, or concurrency control tasks.
Phoenix controllers, JSON APIs, Channels, and Presence on the BEAM
Better Auth core setup for TypeScript apps. Use when configuring the Better Auth instance, wiring server handlers and client instances, working with sessions, or calling server-side auth APIs.
A comprehensive skill for creating new ddd4j (Domain-Driven Design for Java) projects based on ddd4j-boot framework. Use ONLY when the user explicitly mentions creating a ddd4j project, initializing ddd4j project, or setting up ddd4j-boot project. Supports three project types: single-module monolith, multi-module monolith, and microservices. Generates project scaffolding based on ddd4j-boot architecture with DDD, Hexagonal Architecture, Clean Architecture, and COLA V5 patterns. Do NOT trigger for generic DDD projects, JPA/Hibernate projects, or other ORM frameworks without explicit ddd4j mention.
Integrate avnu SDK for Starknet DeFi: token swaps with best-price routing, DCA recurring buys, native staking, gasless transactions via paymaster, and market data. Use when building Starknet trading, DEX aggregation, or DeFi automation features.
Use when working with LiveView rendering phases and lifecycle. Covers static vs connected rendering, safe assign access, mount initialization, and avoiding KeyError crashes.
Use this skill BEFORE writing or editing any Go (.go) files. Triggers when about to create, modify, or add code to .go files. Enforces happy path coding, error wrapping, sentinel errors, and godoc-style comments.
Desenvolve resources para FiveM usando a vRP Creative Network com Lua. Cobre criação de resources, sistema Proxy/Tunnel, inventário, dinheiro, grupos, identidade, NUI, banco de dados (oxmysql), segurança e performance. Use quando o usuário trabalhar com FiveM, vRP, scripts Lua para servidor GTA V, ou mencionar resources, client/server scripts, natives, NUI ou qualquer sistema do framework vRP Creative Network.
Expert Python developer specializing in Python 3.11+ features, type annotations, and async programming patterns. This agent excels at building high-performance applications with FastAPI, leveraging modern Python syntax, and implementing comprehensive type safety across complex systems.
Expert guidance for Laravel PHP development following best practices, SOLID principles, and Laravel conventions