1. Software Development

Installs and configures Prettier, ESLint, and EditorConfig to enforce consistent code style with config files, npm scripts, and CI integration.

Enables incremental migration of REST APIs to GraphQL using schema stitching and REST datasources for seamless API modernization.

Configures Storybook for component documentation with controls, actions, accessibility testing, and visual regression in UI development.

Creates multi-step forms with validation, state management, and progress tracking for onboarding and checkout flows.

Enables seamless dark/light mode toggling with system preference support using CSS variables, Tailwind, and React context.

Provides per-route rate limiting and abuse prevention for APIs with IP/user-based limits, sliding windows, and observability.

Builds and manages API contract tests using Pact to verify compatibility between service providers and consumers, preventing breaking changes.

Generates comprehensive API test suites with Jest, Vitest, or Supertest for Express, Next.js, and Fastify, covering integration, contract, and edge case testing.

Generates commit messages adhering to Conventional Commits specification for consistent versioning and changelog automation.

Generates Bruno API collection files from Express, Next.js, Fastify, and other API routes for organized testing in the Bruno client.

Sets up end-to-end testing frameworks (Cypress/Playwright) with page objects, fixtures, and CI integration for automated browser testing.

Optimizes hot module replacement and fast refresh for Vite, Next.js, and webpack to accelerate development workflows.

Migrates TypeScript projects to strict mode incrementally using type guards and utility types to enhance type safety and code quality.

Standardizes error handling with custom error classes, HTTP status mapping, and structured logging for consistent API responses and debugging.

Generates comprehensive unit tests with AAA pattern, edge cases, and error scenarios to ensure high test coverage and maintain test suite structure.

Builds real-time features with Socket.io, supporting rooms, authentication, and automatic reconnection for live chat and notifications.

Defines caching strategies including cache keys, TTL, invalidation triggers, and consistency patterns. Provides code examples for Redis, CDN, and application-level caching.

Implements React Server Components (RSC) patterns in Next.js App Router for data fetching, streaming, and selective hydration.

Defines ROI-driven test coverage targets, critical path identification, and layer-specific testing guidelines to optimize testing efficiency.

Provides background job processing with BullMQ and Redis for asynchronous task handling, scheduling, and retries.

Maps domain modules, boundaries, and dependencies using Domain-Driven Design. Provides bounded context diagrams and refactor recommendations for complex systems.

Secures webhook receivers with signature verification, deduplication, and idempotency to prevent common security issues in third-party integrations.

Creates mock API servers for testing and development using MSW, json-server, or custom handlers to simulate backend responses.

Builds Model Context Protocol (MCP) servers for integrating custom tools with Claude, handling setup and configuration.