Harkirat — Frontend Development freelancer in Karnal

7 years of full-stack engineering, now fully invested in building intelligent, production-ready AI applications. I've accumulated 1,600+ hours on Upwork with a 100% Job Success Score — delivering clean architecture, tight deadlines, and systems that actually hold up under real-world conditions. If you're looking to embed AI into your product or build one from scratch, I know exactly how to get there. AI & LLM INTEGRATION ✅ End-to-end LLM integration with OpenAI, Anthropic Claude, Gemini, and Mistral ✅ Conversational AI and multi-agent systems using LangChain and LlamaIndex ✅ RAG pipelines with Pinecone, Weaviate, Supabase, and PostgreSQL vector search ✅ Scalable AI backend deployment on AWS Lambda and serverless infrastructure ✅ Fine-tuning, prompt engineering, and memory management for production AI ✅ Embedding AI features into existing products without breaking what works FULL STACK DEVELOPMENT ✅ Frontend: React.js, Next.js, TypeScript, Tailwind CSS ✅ Backend: Node.js, Express, Python (FastAPI, Flask) ✅ Mobile: React Native, Expo ✅ Databases: PostgreSQL, MongoDB, Firebase, Supabase, Redis ✅ APIs: REST, GraphQL, WebSockets ✅ Cloud: AWS (EC2, Lambda, S3, RDS, CloudFront), Vercel, GCP TRACK RECORD ✅ 1,600+ hours billed with a 100% Job Success Score ✅ 3 long-term client engagements successfully delivered ✅ 5-star reviews across every completed contract ✅ Consistent on-time delivery — even on complex, moving-target projects Every product deserves more than just working code — it deserves thoughtful engineering. Let's build something that lasts.