Add real, useful AI to your existing product — without rebuilding it.

I'm a Senior Full Stack & AI Engineer (9+ years, 90+ projects, 100% Job Success on Upwork). I integrate LLMs like OpenAI GPT, Anthropic Claude and Google Gemini into Next.js, React, Node.js and other web apps, with production-grade reliability, security and cost control.

In-app AI assistant / copilot with streaming responses

AI search and Q&A over your docs or database (RAG, embeddings)

Summaries, content and email generation, smart forms

Data extraction from PDFs, images and invoices

AI agents with function/tool calling and workflow automation

Classification, tagging, sentiment and moderation

1 AI Feature — $399 / 5 days: 1 LLM feature (chat, summarize, generate) wired into your existing app

AI Feature Suite — $999 / 12 days: up to 3 AI features + streaming UI, usage limits, logging & cost control

AI Agents + RAG Platform — $2,499 / 21 days: RAG on your data, tool-calling agents, evals, monitoring & docs

Every integration includes prompt engineering, rate limiting, usage tracking, error handling and clean, documented code that fits your existing codebase. You keep full ownership of the code and API keys.