Hitoshi Miura Senior AI Integration Developer | GPT-4 | Chatbots

Why should you work with me ?

I design and build end-to-end AI systems that integrate seamlessly into real products and business workflows.
My focus is not just using AI—but engineering reliable, scalable AI solutions that deliver real results in production environments.
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1. Core Expertise:
• OpenAI (GPT-4 / Assistants API) – advanced prompting, tool usage, structured outputs
• AI Integration – embedding AI into SaaS platforms, CRMs, and web applications
• RAG (Retrieval-Augmented Generation) – knowledge-based systems with vector search
• AI Agents & Workflows – multi-step reasoning, tool chaining, automation logic
• Data Pipelines – input → AI → structured output → system actions
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2. Tech Stack:
• Backend: Node.js, Python (FastAPI), REST APIs
• Frontend: React, Next.js (AI-driven interfaces)
• AI Tools: LangChain, vector databases (Pinecone, FAISS)
• Automation: Zapier, Make, Webhooks
• Databases: MongoDB, PostgreSQL, Firebase
• CMS: WordPress, Shopify
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3. What I Build:
• AI chatbots with memory, context handling, and business logic
• GPT-powered SaaS features (generation, summarization, recommendations)
• RAG-based assistants using documents and internal data
• AI automation systems (form → AI → CRM/email/actions)
• Intelligent assistants embedded into existing platforms
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4. How I Work:
• Clean architecture (not just prompt hacks)
• Reliable outputs (validated + structured)
• Scalable integrations (ready for real users)
No fragile demos. No over-engineering.
Only robust AI systems that work in production.
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If you’re looking to add AI to your product, automate workflows, or build an AI-powered application, I can help you deliver fast and effectively.