AI Engineer / Full Stack Engineer

I'm Bobby Hall Jr 👋🏽

Bobby Hall Jr

AI Engineer / Full Stack Engineer with 6+ years in full-stack development, specializing in building scalable AI agents, AI system design and responsive web apps.

About Me

I'm Bobby Hall Jr. I'm an AI engineer with a full-stack background who enjoys turning ideas into useful software. I love building thoughtful user experiences and shipping features that solve real problems.

Learn more on LinkedIn and follow my posts on DEV.

AI Engineer (6+ Years Full-Stack + AI)

Specializing in building intelligent systems with TypeScript, Next.js, LangChain/LangGraph, Vercel AI SDK, OpenAI APIs, prompt engineering, RAG pipelines, vector databases, and full-stack web deployment.

Creator of TaxJoy: AI-Powered Tax SaaS

Lead development of TaxJoy: AI-driven tax preparation with dynamic prompt engines, natural language form filling, document understanding, and real-time validation built on Next.js, Vercel AI SDK, and modern AI workflows.

AI + Full-Stack Engineering Background

Bloom Institute of Technology graduate, former Shippo engineer, and active builder focused on practical AI integration: agent architectures, prompt chaining, tool use, observability, and scalable production AI systems.

Skills & Technologies

Technologies I use to build fast, reliable, and user-centered products.

Core Full-Stack

TypeScript
JavaScript (ESNext)
React
Next.js (App Router, Server Components)
Node.js
Tailwind CSS
Shadcn/ui + Radix UI

AI Engineering

OpenAI API / Assistants API
Vercel AI SDK
LangChain / LangGraph (agents & tools)
Prompt Engineering & Chain-of-Thought
RAG Pipelines & Vector Databases
LLM Evaluation & Observability
Function/Tool Calling
AI Agent Design & Multi-agent Systems

Backend & Infrastructure

REST & GraphQL APIs
Serverless (Vercel, Edge Functions)
PostgreSQL + Prisma / Drizzle
Caching (Redis, Upstash)
Authentication (NextAuth.js / Clerk)
API Rate Limiting & Security Patterns

Frontend & UX Engineering

Responsive & Accessible UI
Component Architecture & Design Systems
Performance Optimization (LCP, CLS)
Framer Motion & Animations
State Management (Zustand, Jotai)
Server Components + Streaming

DevOps & Deployment

Vercel (Edge, Serverless, AI Gateway)
GitHub Actions / CI/CD
Docker & Container Basics
Monitoring (Sentry, Logflare)
Environment & Secrets Management

Currently Exploring / Deepening

Advanced Agent Tooling (LangGraph.js)
Multi-modal AI (Vision + Text)
AI Safety & Alignment Patterns
Fine-tuning & LoRA Techniques
Production LLM Cost & Latency Optimization

Let's Connect

Interested in collaborating or have a project in mind? I'd love to hear from you.

Open to Opportunities

I'm currently open to new opportunities in AI Engineering, Machine Learning, and Full Stack Development. Whether you're looking for a full-time engineer or a consultant for your next project, let's talk!

Send Me an Email