2025 — Present Visual AI
Spencer Gifts
Visual AI for in-store compliance
Visual AI models that measure in-store compliance across the chain — store openings, pylon placement, end-of-season resets. Adjacent GenAI and ML projects in Databricks.
Databricks · OpenAI Vision · Postgres
2024 — 2025 Bedrock Agent
Datassential
End-to-end Bedrock Agent over a multi-thousand document Knowledge Base
PowerPoint, PDF, and Excel reports turned into a searchable Knowledge Base. OpenSearch vectors, Claude and GPT-4 generation, OpenAI vision for image-content extraction. React + TypeScript chat with LangGraph orchestration and LangFuse tracing.
Bedrock · OpenSearch · LangGraph · LangFuse · Claude · GPT-4
2024 RAG Chatbot
Grindr
RAG pipeline for a consumer GenAI chatbot
Sentence-transformer embeddings, Postgres pgvector on AWS RDS, LangChain chat with conversation memory. Custom Patronus AI evaluators graded competing LLMs in a GitHub Actions regression suite. Kotlin microservices on EKS with Helm, Argo, PortKey AI gateway.
pgvector · LangChain · Patronus · PortKey · EKS
2022 — 2024 Semantic Search
Ahold Delhaize
27% recommendation lift at 3 ms inference latency
Semantic search on T5 + SentenceTransformers + FAISS, with XGBoost learning-to-rank. Neural Collaborative Filtering on Azure Databricks scaled 20× via Petastorm and TorchDistributor. Hourly demand forecast across 2,000 stores on Nixtla.
T5 · FAISS · XGBoost · Databricks · Nixtla