Current State: Building Agentic Workflows

Shipping
Intelligence.

Full-stack AI Product Engineer specializing in RAG architectures, LLM orchestration, and intuitive human-AI interfaces.

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Alex Chen AI Engineer

Bridging Models
& Markets.

I don't just "use" AI; I build products where AI is the core engine. My focus is on **LLMOps**—ensuring that models are not just impressive in a notebook, but reliable, fast, and cost-effective in production.

From prompt engineering and fine-tuning to vector database optimization, I create the infrastructure that makes AI feel like magic.

Capabilities

LLM Orchestration

Expertise in LangChain, LlamaIndex, and AutoGen for building complex agentic loops.

Vector Infra

Pinecone, Weaviate, and pgvector for semantic search.

Frontend AI

Building streaming interfaces with Next.js, Vercel AI SDK, and Framer Motion.

Inference

Deploying with Modal, Replicate, and vLLM.

Fine-tuning

LoRA and QLoRA for domain-specific models.

Selected Work

AI Interface
Agentic Workflow

Nexus-1 Editor

An AI-native text editor that uses autonomous agents to research, fact-check, and suggest citations in real-time as you write.

GPT-4o LangGraph
Data Visualization
RAG Infrastructure

DocuMind Enterprise

Search across 100k+ internal documents with sub-second latency using a custom hybrid search (BM25 + Dense Embeddings).

Pinecone Next.js