Especialista en diseño de bases de datos serverless (Neon Postgres) y arquitectura Backend en entornos Node.js / Next.js.
Optimize database queries, schemas, and performance. Use when fixing slow queries, adding indexes, N+1 problems, schema design, RLS policies, or when user mentions "slow query",…
tRPC router patterns, Supabase integration, API design, error handling for backend services
Systematic debugging for Encore.ts backend incidents using diagnostic scripts, database queries, and structured logging.
Systematic approach to diagnose and resolve backend service issues including dependency conflicts, database schema mismatches, import errors, and middleware configuration problems…
Use to plan backend deployment — target selection, environment config/secrets, build artifact (container) discipline, migration-on-deploy ordering, zero-downtime rollout with…
Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or workin — from…
Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or workin — from…
Opinionated backend development standards for Node.js + Express + TypeScript microservices. Covers layered architecture, BaseController pattern, dependency injection, Prisma…
Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or workin — from…
Comprehensive backend development for building production-ready server-side applications with multiple frameworks, databases, and deployment strategies.
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (RES — from…
API design, database patterns, REST/GraphQL, microservices architecture, and backend best practices
Create REST/GraphQL API endpoint with validation, error handling, and tests. Auto-invoke when user says "add endpoint", "create API", "new route", or "add route".
Create REST/GraphQL API endpoint with validation, error handling, and tests. Auto-invoke when user says "add endpoint", "create API", "new route", or "add route".
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (RES — from…
Operate as a backend engineer who designs stable API contracts, guards data integrity, and ships services that are operable on day one.
Implement solid error handling patterns. Use when adding error handling, improving error UX, debugging error flows, standardizing error responses, or when user mentions "error…
Complete FastAPI development including framework fundamentals, architecture patterns (Clean Architecture, Hexagonal Architecture, DDD), dependency injection, async patterns, and…
Backend-Frontend senkronizasyonu. API değişikliklerinde kullan. Type sync, API contract doğrulama, WebSocket event handling.
Auto-invoke when reviewing API routes, server logic, Express/Node.js code, or backend architecture. Enforces REST conventions, middleware patterns, and separation of concerns.
Enforces Go backend best practices following clean architecture, dependency injection, and test-driven development.
Skill backend agnostica al framework: architettura layered, controller/api layer, application services, repository, validazione, sicurezza, error handling e testing.
Diagnose and fix FastAPI hangs caused by blocking ThreadPoolExecutor shutdown in the news stream route; includes py-spy capture and non-blocking executor pattern.
Production-ready backend API implementation patterns including REST, GraphQL, authentication, error handling, and data validation
Use to plan backend integration tests — real HTTP requests against the app with a real (containerized) database, covering auth flows, authorization negative tests…
Master skill for TypeScript backend development. Decision framework for APIs (tRPC/REST), authentication (Auth.js/Passport), database (Prisma), validation (Zod), logging (Pino),…
Rules for the SkillHub backend Maven multi-module clean architecture. Ensures agents place new code in the correct module and respect dependency direction.
Modern Node.js backend stack: NestJS/Hono, Drizzle ORM, Vitest, TypeScript. Use when: building Node.js APIs, TypeScript backends, or serverless functions.
Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes. — from affaan-m
Apply backend patterns for server architecture, database interactions, and API structure. Use when designing backend systems. Not for frontend logic or simple scripts.
Use to diagnose and fix measured backend performance problems — profiling first, then N+1 and query work (with the database pack), caching with explicit invalidation, connection…
PHP Developer Agent. Laravel 기반 백엔드 개발을 담당합니다. Eloquent ORM, Artisan, Queue, Sanctum 전문.
High-performance structured JSON logging for Node.js. Use when building production APIs that need fast, structured logs for observability platforms (Datadog, ELK, CloudWatch).
Build or adapt Oak Curriculum API learning experiences, especially child-facing Apps SDK flows. Use when the user wants Oak endpoints or curriculum data turned into guided…
Backend/API architecture - controller-service-repository layering, request/response handling, API and request optimization (batching, avoiding redundant calls), server-side…
Modern Python backend stack: FastAPI, SQLAlchemy 2.0, Pydantic v2, uv, ruff. Use when: building Python APIs, async services, or working with Python backend code.
Profile and optimize Python backend code using cProfile, memory profilers, and performance best practices.
Profile and optimize Python backend code using cProfile, memory profilers, and performance best practices.
Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development for FastAPI applications.
Build Retrieval-Augmented Generation (RAG) systems for LLM applications with vector databases and semantic search in FastAPI backends.
Build Retrieval-Augmented Generation (RAG) systems for LLM applications with vector databases and semantic search in FastAPI backends.
Implement real-time features using WebSockets, Supabase Realtime, Server-Sent Events, and live data. Use when user wants "real-time", "live updates", "WebSocket", "notifications",…
Use when designing, changing, or debugging backend server code (REST, Node.js/TypeScript, Go), especially endpoints, response envelopes, pagination, migrations, queries, auth,…
Architect scalable backend services using layered architecture, dependency injection, middleware patterns, service classes, and separation of concerns.
Implementa e evolui a API EmpregaNet em .NET com Clean Architecture, handlers IRequest/IRequestHandler, EF Core, validação e padrões já usados no repositório.
Experto en FastAPI y gestión segura de credenciales multi-tenant para Platform AI Solutions. — from engineering/backend
Experto en FastAPI y gestión segura de credenciales multi-tenant para Platform AI Solutions. — from engineering/backend
.NET 8 Web API (CQRS/MediatR), MongoDB, X-Tenant-Id ile multi-tenant ve JWT auth konusunda uzman agent davranışı.
Use to decide between Express and NestJS (or flag another fit) for a backend API, with justification.
Backend API Master Standard สำหรับพัฒนา API ด้วย Next.js App Router + Prisma ORM + Zod ตาม Clean Architecture อย่างเคร่งครัด ใช้เมื่อสร้าง API route ใหม่ เพิ่ม feature หรือแก้ไข…
Hono/Bun patterns and backend best practices for this project. Use when implementing API endpoints, WebSocket handlers, services, or server-side logic in packages/server.
Organizes a flat backend directory structure into a clean, modular architecture with proper Python packages and updated import paths.
Backend TDD Agent. Node.js/NestJS 기반 TDD 테스트 작성 및 구현을 담당합니다. 테스트 먼저 작성 후 구현하는 Red-Green-Refactor 사이클을 따릅니다.
Run isolated test environments for backend changes, manage test data, and verify API endpoints. Use when testing Python backend changes without interfering with production…
Write comprehensive backend tests including unit tests, integration tests, and API tests. Use when testing REST APIs, database operations, authentication flows, or business logic.
Verify backend changes at contract and integration boundaries with deterministic success, denial, concurrency, retry, migration, and dependency-failure evidence.
Type-safe API layer for TypeScript full-stack applications. Use when building APIs that need end-to-end type safety between client and server WITHOUT code generation.
Generate OpenAPI/REST endpoints from tRPC routers. Use when you have a tRPC API but need to expose REST endpoints for third-party integrations, mobile apps, or public API…
Use to plan backend unit tests — services and pure business logic tested in isolation with focused test doubles, fast and deterministic, covering edge and failure paths.