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HexAI-inc
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backend-design

Enforce backend architecture standards with Vertical Slice and Zero Trust.

Updated Oct 30, 2025
Search Tags:#architecture#performance#security#scalability#backend#modular monolith#zero trust
One-click install
npx skills add https://github.com/HexAI-inc/v0-futuristic-website-design --skill backend-design-hexai-inc
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: backend-design
Source: https://github.com/HexAI-inc/v0-futuristic-website-design/tree/main/.agents/skills/maestro/skills/backend-design
Command: npx skills add https://github.com/HexAI-inc/v0-futuristic-website-design --skill backend-design-hexai-inc

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive set of architectural protocols and best practices to build highly reliable, secure, and performant backend systems, moving beyond basic CRUD operations to enterprise-grade solutions.

Core Features & Use Cases

  • Architectural Patterns: Enforces Vertical Slice Architecture and Modular Monolith principles to organize code by business capability, not technical layers.
  • Security: Implements Zero Trust security, strict input validation, and secure token handling.
  • Performance & Reliability: Mandates sub-100ms response times, UUIDv7 for indexing, idempotency keys, and robust error handling with RFC 7807.
  • Database Integrity: Enforces hard constraints, cursor pagination, and optimistic locking.
  • Observability: Requires structured logging and distributed tracing (OpenTelemetry).
  • Use Case: Architecting a new e-commerce backend that needs to handle high traffic, ensure data integrity, and maintain a secure environment against evolving threats.

Quick Start

Apply the backend-design skill to architect a new feature slice for user authentication, ensuring all security and performance mandates are met.

Frequently Asked Questions about backend-design

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement vertical slice architecture in a modular monolith?▼

Vertical slice architecture in a modular monolith organizes code by business capability rather than technical layers. It uses event-driven communication and the outbox pattern to maintain strict data sovereignty across bounded contexts.

What is the best way to structure API error responses for high-traffic backends?▼

The best way to structure API error responses is by following the RFC 7807 standard. This protocol ensures consistent, structured error handling while maintaining sub-100ms latency and using idempotency keys for critical operations.

When do I need UUIDv7 primary keys and optimistic locking for database integrity?▼

You need UUIDv7 primary keys and optimistic locking when building scalable backends requiring strict database integrity. UUIDv7 optimizes indexing, while optimistic locking prevents concurrent update conflicts alongside hard constraints and cursor pagination.

How does Zero Trust security apply to backend API development?▼

Zero Trust security in backend API development enforces strict input validation and secure token handling for every request. It ensures continuous verification across all high-performance endpoints without trusting internal network boundaries.

Can I use distributed tracing and structured logging for backend observability?▼

Yes, you can use distributed tracing and structured logging for backend observability. Implementing OpenTelemetry standards provides deep visibility into event-driven modular monoliths and ensures sub-100ms response time mandates are met.

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