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AI Integration & LLM Features

Build intelligent applications powered by modern LLMs. From custom AI assistants and RAG-powered chatbots to AI automation and semantic search, I create production-ready AI experiences that deliver real value—not just API integrations.

Real-World Expertise

  • Engineered a production-grade RAG pipeline in WidgIq with concurrent crawling, domain filtering, pgvector-powered semantic search, and zero-downtime re-crawls to deliver accurate, context-aware AI responses.
  • Built WidgIq, an embeddable AI chatbot platform featuring real-time streaming responses, customizable AI behavior, and seamless integration across 11+ website platforms.
  • Developed BeBetter.ai, integrating LLM-powered mock interviews, resume analysis, personalized career feedback, and AI-driven assessments into a unified career platform.
  • Implemented streaming AI responses, intelligent context retrieval, and conversation memory to deliver natural, ChatGPT-like user experiences across multiple AI-powered products.
  • Integrated production-ready AI workflows using Gemini API, background job processing with Inngest, and scalable backend architecture to ensure reliable AI performance under real-world usage.

Tech Stack

OpenAI APIGemini APIRAGpgvectorVector SearchEmbeddingsPrompt EngineeringFirecrawlInngestNext.jsTypeScripttRPCNode.jsDrizzle ORMPostgreSQLVercel AI SDK

What You Get

RAG-Powered Semantic SearchAI Automation & Intelligent WorkflowsProduction-Ready AI IntegrationsCustom AI Assistants & ChatbotsStreaming AI Responses

Featured Projects

WidgIq

Built an embeddable AI chatbot platform that integrates into any website with a single <script> tag. It delivers context-aware support using website content, with conversation history, request analytics, and AI-powered weekly insights.

Next.jsBetter AuthRAG PipelineTypeScripttRPCReactTailwind CSSPreactpgvectorInngestDrizzle ORMPorkbunDodo PaymentsRedisUpstash
BeBetter.ai

BeBetter.ai is an AI-powered career platform that offers AI mock interviews, resume analysis, mock tests, personalized feedback, and job listings to help users prepare for and secure better career opportunities.

Next.jsBetter AuthTypeScripttRPCReactTailwind CSSNode.jsGemini APIUploadthingDrizzle ORMPolarImageKitInngestvercel

Got something you want built?

I'll build it properly, start to finish, a polished, production-ready product — and if my experience can improve the idea along the way, I'll speak up.

Related Services

Full-Stack Web Development

End-to-end products, from database to deployed UI.

Performance Optimization

Faster load times, smaller bundles, fewer wasted requests.

Frontend Development

Interfaces that are fast, accessible, and easy to update.

Backend Systems & API Development

Reliable APIs and data models that scale with your product.

Maintenance & Support

Keep your product running without a full-time hire.

Cloud Deployment & DevOps

Get your app live, secure, and easy to redeploy.

© 2026 Gaurav. All rights reserved.