Total 50,476 skills, Backend Development has 4134 skills
Showing 12 of 4134 skills
Provides implementation patterns for Clean Architecture, Hexagonal Architecture (Ports & Adapters), and Domain-Driven Design in PHP 8.3+ with Symfony 7.x. Use when architecting enterprise PHP applications with entities/value objects/aggregates, refactoring legacy code to modern patterns, implementing domain-driven design with Symfony, or creating testable backends with clear separation of concerns.
Zig cross-compilation skill. Use when cross-compiling Zig programs to different targets, using Zig's built-in cross-compilation for embedded, WASM, Windows, ARM, or using zig cc to cross-compile C code without a system cross-toolchain. Activates on queries about Zig cross-compilation, zig target triples, zig cc cross-compile, Zig embedded targets, or Zig WASM.
BullMQ queue system reference for Redis-backed job queues, workers, flows, and schedulers. Use when: (1) creating queues and workers with BullMQ, (2) adding jobs (delayed, prioritized, repeatable, deduplicated), (3) setting up FlowProducer parent-child job hierarchies, (4) configuring retry strategies, rate limiting, or concurrency, (5) implementing job schedulers with cron/interval patterns, (6) preparing BullMQ for production (graceful shutdown, Redis config, monitoring), or (7) debugging stalled jobs or connection issues
Build reactive backends with Convex functions, schema validation, auth integration, and deployment workflows.
OpenAPI 3.1 specification, schema design, and code generation. Use when designing REST APIs, generating TypeScript clients, or creating API documentation. Use for openapi, swagger, api-spec, schema, code-generation, api-docs, openapi-typescript, zod-openapi.
Use when Java XML-RPC API work requires contract decisions for fault signaling and interoperability, including defining XmlRpcException-based failures, replacing void returns with explicit operation results, reviewing handlers for return-code anti-patterns, and migrating DTOs from Serializable to JAXB.
Senior Flask developer. Use when building or working on Flask applications. Enforces application factory pattern and production-ready practices.
Set up Kafka-based event-driven microservices with Platformatic Watt. Use when users ask about: - "kafka", "event-driven", "messaging" - "kafka hooks", "kafka webhooks" - "kafka producer", "kafka consumer" - "dead letter queue", "DLQ" - "request response pattern" with Kafka - "migrate from kafkajs", "kafkajs migration", "replace kafkajs" Covers @platformatic/kafka, @platformatic/kafka-hooks, consumer lag monitoring, and OpenTelemetry instrumentation.
Helps Claude Code understand Sui blockchain keypair and cryptography operations, providing guidelines and examples for key generation, signing, verification, address derivation, and multi-signature scheme support. Use when working with cryptography in Sui development or when the user mentions keypairs, cryptography, signing, or verification.
Complete reference for DTG Base module utilities and helpers. DTGBase is an abstract model providing common utility methods for date/time handling, barcode generation, timezone conversion, file operations, and more.
Build real-time order tracking and delivery driver systems with PubNub
Deliver real-time sports scores, play-by-play, and scoreboards with PubNub