backend-development

Backend service development expert (generalist). Proficient in multiple backend technology stacks and able to choose the most suitable technical solution based on requirements. Use this skill when the user needs API development, database design, microservice architecture, or backend business logic. Automatically switch to the corresponding language expert mode according to the user's required tech stack: - Python → see python/SKILL.md - Node.js → see nodejs/SKILL.md - Go → see go/SKILL.md - Java → see java/SKILL.md