1. Software Development

Integrates payment gateways (SePay, Polar) for checkout, subscriptions, and webhooks using multiple programming languages and SDKs.

Builds and secures scalable backend systems with REST/GraphQL APIs, microservices, and modern frameworks like NestJS and FastAPI.

Systematic debugging methodology with root cause analysis, including call stack tracing and multi-layer validation.

PDF document processing utility for text extraction, table extraction, and document manipulation via Python libraries.

Manages Git workflows with atomic commits, branching strategies, merging, rebasing, and PRs for organized code history and team collaboration.

Enables rigorous code review with technical evaluation, evidence-based feedback, and verification gates for pull requests.

Framework-agnostic TypeScript authentication solution supporting email/password, OAuth, 2FA, and RBAC for secure user management.

Enables building, optimizing, and deploying cross-platform and native mobile applications using frameworks like React Native, Flutter, Swift, and Kotlin.

Provides CLI tools for autonomous code generation, skill creation, and CI/CD integration within the Claude Code ecosystem.

Enables technical planning, architecture design, and solution evaluation for software development, including roadmap creation and requirement breakdown.

Enables full-stack development with Next.js and Turborepo, including monorepo management, build optimization, and server-side rendering features.

Enables creation, management, and testing of agents and skills for Claude Code with YAML configuration and tool selection.

AI-assisted development tool using Google Gemini for code review, architecture analysis, and parallel code generation with real-time web search.

Provides Vercel-engineered performance optimization guidelines for React and Next.js code, covering components, data fetching, and bundle optimization.

Provides step-by-step guidance for integrating the Hyperspell library into software projects, covering setup and configuration steps.

Provides a framework for writing and executing unit tests during software development cycles to ensure code reliability.

Executes test-first code implementation within EPICs, maintaining traceability via @implements tags and updating Single Source of Truth during PRD v0.7 build execution.

Defines API contracts and data models for developers to implement, based on PRD v0.6 architecture requirements. Outputs structured entries for build execution.

Designs system architecture by defining component relationships, boundaries, and integration patterns using technical stack, risk constraints, and feature requirements for PRD v0.6.

Develops KaiGen WordPress plugin features including block editor UI, server hooks, and build/test workflows for src/, inc/, and kaigen.php.

Automates BDD test case creation for APIs, business rules, and user journeys using Given-When-Then format before implementation.

Systematic framework for diagnosing bugs, test failures, and unexpected behavior through root cause analysis before proposing fixes.

Offers Vue 3 patterns for feature modules, state management (without Pinia), and component development to streamline creation, refactoring, and debugging reactivity issues.

Provides testing utilities for Vue 3 composables using Vitest, enabling best-practice unit testing of reactive composition functions.