1. Software Development

NestJS module for CMS integration supporting article management, category systems, approval workflows, and multi-language content via GraphQL and TypeORM.

Provides development guidance for creating file converter adapters, understanding interfaces, and integrating Sharp for image processing tasks.

Provides a development guide for creating SMS adapters, understanding SMSService interfaces, and extending SMS functionality for Taiwan providers.

Guide for developing logistics adapters, understanding LogisticsService and LogisticsInterface, and implementing error handling patterns for Taiwan logistics providers.

Provides backend integration adapters for Taiwan logistics services including CTC and T-CAT for shipment tracking, creation, and status management.

Development guide for creating payment adapters and implementing interfaces for Taiwan payment providers using the @rytass/payments base package.

Provides a guide for creating invoice adapters and extending @rytass/invoice base package functionality, covering key interfaces and implementation patterns.

Discount and pricing engine for e-commerce systems, handling precise decimal calculations for shopping carts, coupons, and discounts using Decimal.js.

Provides a TypeScript adapter for integrating Taiwan SMS services (e.g., Every8D) with NestJS applications, supporting single/batch messaging, number validation, and delivery tracking.

NestJS module providing warehouse management services including inventory tracking, location management, and stock transactions.

Guide for developing storage adapters and extending storage functionality using the @rytass/storages base package, covering interfaces and implementation patterns.

NestJS module for managing rich text content, article versioning, multi-language support, and media uploads in a CMS.

Guides development of secret adapters and extension of secret management functionality using the @rytass/secret base package.

NestJS module for user authentication, authorization, and permission control including JWT, OAuth2, and RBAC/ABAC.

Provides payment adapters for Taiwan services including ECPay, NewebPay, and others, supporting credit card, virtual account, and NestJS integration.

Integrates with Taiwan e-invoice providers (ECPay, EZPay, BankPro, Amego) for invoice issuance, voiding, allowances, and data queries.

Provides Python testing patterns and best practices for unit, integration, and TDD using pytest, mocking, and property-based testing.

Optimizes React applications using memoization, code splitting, and efficient rendering to improve performance and user experience.

Provides a structured workflow for designing system architecture, APIs, components, and data models with validation and documentation outputs.

Provides production-grade API design patterns for REST and GraphQL, including versioning, pagination, error handling, and HATEOAS principles.

Optimizes Python code performance through profiling, algorithmic enhancements, and acceleration techniques to reduce latency and memory usage.

Guides safe git operations with conventional commit formatting, validation checks, and smart commit message generation for consistent development workflows.

Guides structured feature implementation with persona-driven development, validation checks, and testing strategies for multi-file code changes.

Provides patterns and best practices for implementing asyncio in Python to build high-performance, non-blocking applications and APIs.