# Macy N. > AI/ML Engineer @ Snowflake Location: San Francisco Bay Area, United States Profile: https://flows.cv/macy Software Engineer with extensive experience in front-end web development and cloud infrastructure. Built monitoring systems, search functionality, and AI-powered applications using React, TypeScript, Node.js, GraphQL, LLMs and AWS. Developed tools that improved engineering efficiency, including data visualization dashboards and workflow automation systems. Experienced in architecting and building data pipelines that consolidate diverse data sources for in-depth analysis, driving actionable insights for product enhancement. Committed to leveraging a unique blend of technical and analytical skills to drive business goals and improve user experience. ## Work Experience ### Senior Software Engineer - AI/ML @ Snowflake Jan 2023 – Present ➤ Data Pipeline & Monitoring • Designed and built a pipeline to transform raw logs into clean, structured datasets for analysis. • Created annotated views and interactive dashboards to track usage metrics and system performance. • Established automated monitoring systems with configurable alerts to detect anomalous behavior patterns. ➤ PDF Chatbot • Prototyped a PDF-based chatbot for a summit demonstration. • Built a retrieval-augmented generation (RAG) chatbot using a search index constructed from parsed PDF files. • Implemented an orchestrator to retrieve relevant snippets and generate concise, cited responses using prompt engineering. • Created evaluation tools to compare model performance, investigate quality differences, and analyze losses across experiments. ➤ LLM Trust & Safety • Integrated Llama Guard to ensure safe and responsible large language model outputs. • Implemented governance features, including budget enforcement and access controls, to safeguard model usage. ➤ Universal Search • Developed a comprehensive catalog search feature enabling customers to efficiently search across databases, schemas, tables, and columns. • Implemented signal processing pipelines leveraging historical query data to enhance search ranking algorithms and improve result relevance. ### Software Engineer @ Neeva Jan 2020 – Jan 2023 ➤ AI & Rich Search Results • Developed an AI-powered answer box using Retrieval-Augmented Generation (RAG) summarization over top search results. • Created interactive widgets for rich search result displays. • Built reusable React components enabling rapid deployment of diverse search result genres. ➤ Data Engineering • Designed and implemented ETL pipelines to transform raw logs into structured, analyzable data. • Created comprehensive monitoring dashboards to ensure data quality and system health. ➤ Developer Tools • Built annotation tools for efficient data labeling from crawled web pages. • Created debugging tools to track quality scores and investigate retrieval and ranking issues. ➤ Growth Hacking • Conducted quantitative marketing across platforms like Facebook, Google, Bing, and TikTok. • Engineered a unified reporting pipeline integrating multiple advertising platforms to analyze key performance metrics including impressions, CTR, conversion rates, and user retention. • Spearheaded an end-to-end SEO initiative by utilizing NeevaAI and LLM, encompassing keyword selection, clustering, page generation, and performance analysis, which led to a 62% surge in organic traffic from unbranded search queries. • Designed and executed A/B experiments to test user behavior and engagement, leading to data-driven improvements. • Developed systems to identify and filter out scrapers and bots from logs, enhancing log health and data integrity. ➤ Mobile Development • Helped build a privacy-focused iOS browser application. ### Senior Software Engineer - UI @ DiDi Jan 2018 – Jan 2020 • Enhanced front-end functionality and user experience for security and data-leak prevention products. • Led design workshops with internal customers to identify pain points and refine workflows. • Helped evolve an internal endpoint protection tool into a commercial SaaS product. • Built interactive data visualization dashboards to streamline the investigation of suspicious activities. ### Senior Software Engineer - Fullstack @ The Walt Disney Company Jan 2014 – Jan 2017 ### Software Quality Engineer @ 3M Cogent Jan 2013 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/macy-ngan --- Source: https://flows.cv/macy JSON Resume: https://flows.cv/macy/resume.json Last updated: 2026-03-22