AI-verified freelance contract platform that autonomously validates milestones and releases escrow payments. Designed and built the agent orchestration backend: parallel Gemini agents inspect GitHub repositories via PyGitHub and interact with live Vercel deployments through Playwright browser automation, producing structured Pydantic verification reports. A Claude meta-verification layer reviews agent reasoning and evidence before triggering incremental Solana escrow release. Reports, screenshots, and artifacts persist in Supabase for full auditability.

A high-performance automotive platform and internal operational tool engineered with SvelteKit, TypeScript, and Drizzle ORM. The public-facing site features i18n support across 3 languages to maximize conversion, prioritizing progressive enhancement to ensure full functionality even with JavaScript disabled. The backend powers a secure, Telegram bot-integrated job recording system for technicians, streamlining internal workflows. Infrastructure and server resources are protected by Redis-backed rate limiting and Cloudflare Turnstile, with core business logic validated by automated Vitest suites.

AI-powered grading platform automating academic assessment. Engineered responsive Next.js frontend with TanStack Query for real-time polling and optimistic updates; built FastAPI backend with non-blocking background tasks; secured with Supabase JWT authentication. Integrates Claude and Gemini APIs for intelligent assignment evaluation.

Intelligent CLI assistant that converts natural language into system commands. Chains complex operations across file management, diagnostics, and web research with safety confirmations for destructive actions. Built on extensible agent framework with 5+ specialized tools and automatic retry mechanisms.

Feature-rich multilingual Wordle supporting 20 languages with configurable game modes. Implemented Redux Toolkit state management for guess validation and keyboard interactions; designed responsive modular Tailwind interface with locale-aware input and touch-friendly controls. Supports URL-parameterized game state for easy sharing.

Cross-lingual frequency + POS dataset pipeline powering language-learning and NLP research. Automated ETL that merges multilingual word-frequency and POS datasets, links frequency data with morphology metadata, and produces reproducible, versioned artifacts with idempotent downloads.