📍 Vermont, USA • 🕒 Hacking on AI agents, prompt engines, and scalable AI tools
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💻 I have 6+ years of experience as a full stack web developer
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🌱 I’m currently deep-diving into AI agents, AI engineering, Langchain & LangGraph, TypeScript, and scalable AI systems
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👯 I’m looking to collaborate on AI engineering roles, AI-powered SaaS tools, open-source AI/dev tooling, or full-stack web projects
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💬 Ask me about AI agents, Agentic system design, Next.js + Vercel, TypeScript best practices
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Frontend: React, Next.js, TypeScript, Tailwind CSS + shadcn/ui
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Backend/AI: Node.js, Python, FastAPI/Django, LangGraph, Vercel AI SDK, prompt engineering
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Databases: PostgreSQL, MongoDB, Redis
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DevOps / Tools: Docker, Git/GitHub Actions, Vercel, AWS/GCP basics, Linux
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AI: AI agents, LangChain & LangGraph, prompt engineering, retrieval-augmented generation (RAG), vector databases, LLMOps, agentic workflows
| Project / Work | Description | Tech | Link |
|---|---|---|---|
| TaxJoy | AI-powered tax assistant platform helping CPAs automate docs, and prep | Next.js • TypeScript • Vercel AI SDK • LangGraph • AI agents • Tailwind | → Live Site |
| AI Agent with LangGraph (Part 2) | Building intelligent AI agents using LangGraph, TypeScript, Next.js, Tailwind, Pinecone vector DB | LangGraph • Next.js • TypeScript • Tailwind • Pinecone | → Read on DEV.to |
| Dynamic Prompt Engine – TaxJoy | Dynamic prompt system for AI SaaS to handle complex tax queries reliably | Next.js • Vercel AI SDK • Prompt engineering • TypeScript | → Read on DEV.to |
- 💼 LinkedIn → linkedin.com/in/bobbyhalljr
- 🐦 Twitter / X → @bobbyhalljr_dev
- 📧 Email → bobbyhalljrcs@gmail.com
- 🌐 Personal site / Blog → bhjr.dev
- ✍️ DEV.to → dev.to/bobbyhalljr (articles on AI agents, Next.js, TypeScript, prompt engineering, UI psychology)