Andrew Dai

Spearheaded adoption of Golang and worked on modernizing legacy codebase via service and API-first approach

Owned and operated the central data store for Heap’s core functionality — a petabyte-scale PostgreSQL cluster

• Improved reliability by >10x, query performance by >2x, and saved millions $/year

Led backend development of new analysis features, including Path Analysis

Established systems and processes for understanding and controlling AWS spend

Wore many other hats including blog post author, open source contributor, and DEI advocate. I've also onboarded my entire team, and interviewed ~90% of new grads in 2019 and most engineering management

Updated tools and utilities for host maintainence, application monitoring, and deployment configuration management

Created a health monitoring service used in critical infrastructure, reducing network load

Led a team of students which raised over $250,000 in sponsorship funding and organized events for over 1,000 students

Started a “learnathon” to address disparities in local CS education — 300+ high school students attended

Shifted outreach focus to under-represented minorities in STEM and created beginner-friendly environments

Doubled the size of the organization and increased the scope to better serve undergraduates at Georgia Tech

Migrated core SQL Server schema to increase extensibility while maintaining backwards compatibility

Created a new homepage for the core product to enable more complex analysis and increase feature adoption

Designed and developed a full stack web application for bug and feature tracking using Angular.js and Caché ObjectScript