Yixin Xiao

Full Stack Engineer · New York, NY

Senior Software Engineer · New York, NY

• Architected Terraform-based CI/CD pipelines to provision Databricks infrastructure and AWS resources for a platform serving 10,000+ users, reducing annual incident rates by 60%
• Designed and launched a Governance SDK adopted by 5 cross-functional teams within 2 months, standardizing Databricks platform integrations and reducing duplicate implementation effort
• Built an event-driven microservices system on AWS Lambda and EventBridge with automated health checks, reducing platform RTO from 10 hours to 15 minutes and cutting weekly operational support time by 93%
• Automated code auditing and sanitization workflows across the governance layer, eliminating 80+ hours of manual security remediation work per quarter
• Built an AI-assisted operational support agent and CLI workflow that tripled biweekly ticket throughput and cut new Lambda service setup from 1–2 hours to under 5 minutes

Software Engineer · New York, NY

• Optimized Databricks compute policies and workload guardrails, reducing platform spend by $100K per month ($1.2M annualized)
• Built a medallion architecture pipeline for Databricks chargeback reporting, enabling self-service analytics across 3 enterprise business verticals
• Led migration of 7,000+ users from legacy Private Cloud Databricks to SaaS Databricks, improving governance through centralized account management and stronger identity controls

Associate Software Engineer · New York, NY

• Built a centralized search portal for cybersecurity products and resources, consolidating 100+ entities used by 20+ internal teams
• Improved search relevance and query performance by up to 35% through TF-IDF wrapper optimization and AWS RDS schema improvements

Undergraduate Research Assistant · Ann Arbor, MI

• Built and deployed a full-stack search engine on Docker and OpenShift, integrating a Neo4j graph database with custom search algorithms to support partial and fuzzy matching of chemical compound structures
• Simulated chemical compound structures with Vis.js leading to interactive graph search methods, adding another search dimension