Gaurav - Full Stack Web Developer

Built and shipped WidgIq — a production-grade, embeddable AI chatbot widget SDK, integrated across 11+ platforms.
Engineered a full RAG pipeline with concurrent crawling, domain filtering, and zero-downtime re-crawls via Firecrawl.
Architected the full stack solo — Next.js, tRPC, Drizzle ORM, Neon PostgreSQL, and Inngest.
Integrated pgvector for semantic search with cosine similarity thresholds for context-aware responses.
Designed real-time streaming AI responses for a ChatGPT-like chat experience.
Designed and implemented streaming AI responses for a real-time, ChatGPT-like chat experience.
Built a DB-driven widget config system with Next.js API caching and revalidateTag for instant, zero-redeploy updates.
Implemented full payments with Dodo Payments — webhook verification and automated credit sync tied to API key usage.
Hardened security with origin validation and Redis-based (Upstash) rate limiting.

Founded WidgIq, a B2B SaaS platform enabling businesses to embed AI-powered chat assistants into any website via a single script tag.
Sole decision-maker across product, engineering, design, and go-to-market strategy.

Contributed to open-source full-stack web applications and developer tools.
Developed new features, fixed bugs, and improved application performance.
Collaborated with maintainers and contributors through pull requests and code reviews.
Worked with modern web technologies, APIs, databases, and authentication systems.
Improved code quality, documentation, and overall user experience.

Experience