1. Software Development

Comprehensive tool for React development covering hooks, components, state management, context, and performance optimization.

Advanced unit testing framework for Python backend systems, supporting FastAPI, SQLAlchemy, PostgreSQL, and comprehensive testing strategies including async and mocking.

Comprehensive data validation and settings management for Python applications using Pydantic V2, including BaseModel and FastAPI integration.

Manages database schema migrations for customer support systems using Alembic, ensuring version control and consistency.

Expert patterns for integrating Claude API and TypeScript SDK, covering Messages API, streaming, tool use, error handling, and token optimization in production AI applications.

Builds full-stack Next.js applications using App Router, Server Components, data fetching, and API routes.

Provides core JavaScript features, patterns, and best practices including ES6+, async/await, closures, and prototypes.

Comprehensive guide for building instant GraphQL APIs, managing permissions, authentication, and deploying Hasura GraphQL Engine in production.

Comprehensive guide covering Rust systems programming fundamentals including ownership, borrowing, concurrency, and performance optimization.

Guide for building production-ready FastAPI microservices with REST patterns, async operations, and dependency injection.

Develops production REST APIs with Express.js, including routing, middleware, and error handling for backend services.

Comprehensive Angular framework development for building applications with components, directives, services, routing, and reactive programming.

Comprehensive guide to building web applications with Axum, including routing, middleware, state management, and production deployment.

Provides strategies for scalable frontend architecture including component design, state management, and build tool integration.

Comprehensive guide for building GraphQL APIs including schema design, resolvers, authentication, and production best practices.

Comprehensive testing utilities for React components using Jest and React Testing Library, covering configuration, mocking, and async patterns.

Expert in ANTLR4 for lexical analysis, grammar parsing, AST construction, and visitor pattern implementation in language processing systems.

Standardizes Git commit messages and organizes commits by topic to improve codebase clarity and maintainability.

Expert in virtual machine development, covering bytecode execution, instruction handling, stack frames, memory management, and garbage collection.

Provides expert test development capabilities using JUnit 5, AssertJ, Mockito, and JaCoCo for robust Java unit testing.

Expert in compiler backend development focusing on IR, CFG, SSA, data flow analysis, and optimization passes.

Applies changes from main branch to kag branch via cherry-pick, ensuring environment-specific synchronization without merging.

Analyzes Java Web source code to extract all HTTP routes and parameters, generating Burp Suite request templates and MD documentation for comprehensive API mapping.

Provides Vercel Engineering's performance optimization guidelines for React and Next.js to ensure efficient code in components, data fetching, and bundle management.